A rectangle has two side lengths of 8 inches and two side lengths of 10 inches. What is the perimeter of the rectangle? What is the area of the rectangle? (3.MD.C.5, 3.MD.C.5a, 3.MD.D.8)​

The solution to the inequality is y ≤ -8. This means that any value of y that is less than or equal to -8 will satisfy the original inequality.

To solve the inequality y + 7 ≤ -1, we need to isolate the variable y on one side of the inequality sign.

Starting with the given inequality:

y + 7 ≤ -1

We can begin by subtracting 7 from both sides of the inequality:

y + 7 - 7 ≤ -1 - 7

y ≤ -8

The solution to the inequality is y ≤ -8. This means that any value of y that is less than or equal to -8 will satisfy the original inequality.

In the context of a number line, all values to the left of -8, including -8 itself, will make the inequality true. For example, -10, -9, -8, -8.5, and any other value less than -8 will satisfy the inequality. However, any value greater than -8 will not satisfy the inequality.

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The following question may be like this:

What is a solution of the inequality shown below? y+7≤-1

Therefore, the perimeter of the irregular shape is 34cm .

Whether it be a two-dimensional shape or a one-dimensional length, a perimeter is a closed path that contains, surrounds, or delineates it. The outermost border of an ellipse or circle is its circumference.

Here,

The perimeter of the irregular shape is

Given:

9 cm is the length of the below line and 4cm , 3cm and x is the length of the above line .

So x value is => 9 = 4 + 3+x

=> 9-7 = x

=>x= 2cm

and

thus we get all the length of the irregular shape

so adding =>

=> 4+2+3+2+3+6+5+9=  34 cm

Therefore, the perimeter of the irregular shape is 34cm .

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After 19 hours, approximately 53.36 milligrams of the radioactive substance will remain.

To find out how many milligrams of the radioactive substance will remain after 19 hours, we need to use the exponential decay formula:  \(N(t) = N(0) (e)^{-λt}\)
Where:
N(t) = amount of substance remaining at time t
N0 = initial amount of substance (160 mg)
e = base of natural logarithm (approximately 2.718)
λ = decay constant
t = time in hours

-First, we need to find the decay constant (λ). We know that after 12 hours, 80 mg of the substance remains:
\(80 = 160 e^{(-λ (12))}\)
-Divide by 160: \(0.5 = e^{(-λ (12))}\)
-Take the natural logarithm of both sides: \(ln(0.5) = 12 (-λ)\)
-Now, find λ:  λ = \(λ = \frac{-ln(0.5)}{12}= 0.0578\)

Next, we need to find the amount of substance remaining after 19 hours:
\(N(19) = 160 e^{(-0.0578)(19))}\)
\(N(19) = 160 e^{(-1.0928)} = 160(0.3335)\)
N(19) = 53.36 mg

So, after 19 hours, approximately 53.36 milligrams of the radioactive substance will remain.

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The answer is P(>204.3) = 0.5000

There are an infinite number of real numbers > 204.3, but an equally infinite number of real numbers < 204.3

The chance of randomly selecting a number >204.3 is 1/2 or 50%

or for 4 decimals: 50.0000%

The probability of an event can be calculated via chance formula with the aid of truly dividing the favorable range of effects by means of the whole number of feasible effects.

Opportunity = the wide variety of ways of achieving fulfillment. The whole range of viable effects. As instance, the possibility of flipping a coin and it being head is ½, because there is 1 way of having a head and the whole range of viable effects is two (a head or tail).

Chance is the department of mathematics that research the possible outcomes of given occasions together with the outcomes' relative likelihoods and distributions.

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Answer:

91

Step-by-step explanation:

P>J and P>M

269 -> split into 3 parts

Approx is 90

IF Peter's score is 90, then the other 2 scores could be 90 and 89

+ 1 to Peter's score

Hence Peter's least possible score could be 91.

The matching sets for the given orbitals are as follows:

A. 3, 2, -1

C. 5, 1, -1

G. 4, 0, -1

H. 3, 2, 3

In quantum mechanics, each electron in an atom is described by a set of quantum numbers that provide information about its energy level, orbital shape, and orientation. The quantum numbers include the principal quantum number (n), the azimuthal quantum number (l), and the magnetic quantum number (ml).

For the given orbitals, we need to match the orbital names with the sets of quantum numbers. Let's go through each option:

A. The quantum numbers 3, 2, -1 correspond to the orbital name 3dxy. The principal quantum number (n) is 3, the azimuthal quantum number (l) is 2, and the magnetic quantum number (ml) is -1. This describes a d orbital in the xy plane.

C. The quantum numbers 5, 1, -1 correspond to the orbital name 5py. The principal quantum number (n) is 5, the azimuthal quantum number (l) is 1, and the magnetic quantum number (ml) is -1. This describes a p orbital oriented along the y-axis.

G. The quantum numbers 4, 0, -1 correspond to the orbital name 4pz. The principal quantum number (n) is 4, the azimuthal quantum number (l) is 0, and the magnetic quantum number (ml) is -1. This describes a p orbital oriented along the z-axis.

H. The quantum numbers 3, 2, 3 correspond to the orbital name 3dxyz. The principal quantum number (n) is 3, the azimuthal quantum number (l) is 2, and the magnetic quantum number (ml) is 3. This describes a d orbital with complex orientation in space.

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Answer: C

Step-by-step explanation: basicly all u have to do juss multilpy how many on top with the extra boxes, hope this helpss :)

Answer:

A. 5/9

explanation:

The answer is A.

Multiply the fractions.

You can use a calculator online for that. I did and it said 5/9.

When multiplied you get 10/18 and then simplify its 5/9

Based on the 2017 data, post-secondary teachers, dental hygienists, and librarians are three options that are expected to earn between $55,000 and $74,999 based on their median pay.

The median pay is the midpoint of a set of salaries, where half of the workers earn less and half earn more. In this case, the link provided takes us to the 2017 median pay column for various occupations.

After reviewing the data, it appears that post-secondary teachers, dental hygienists, and librarians are expected to earn between $55,000 and $74,999 based on their median pay. The median pay for post-secondary teachers is $76,000, while the median pay for dental hygienists is $74,070. Lastly, the median pay for librarians is $59,050.

It's important to note that the median pay for carpenters, firefighters, and childcare workers are below $55,000. This means that half of the workers in these occupations earn less than $55,000 per year.

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Answer:

c = 17

Step-by-step explanation:

Since this is a right angle triangle we can use the Pythagoras theorem that states that \(c^{2} = a^{2} + b^{2}\) (where c is the Solve for  hypotenuse and "a" and "b" are the legs of the right angle triangle). From here we know that the answer to this question is....

\(c^{2} = a^{2} + b^{2}\\c^{2} = 15^{2} + 8^{2} \\c^{2} = 225 + 64\\c^{2} = 289\\c = \sqrt{289} \\c = 17\)

x = ALL REAL NUMBERS

-3(5-2x)=1/2(8+12x)-19

-15 + 6x = 4 + 6x - 19

6x = 6x

ALL REAL NUMBERS

Answer:

x=5/2

Step-by-step explanation:

Hence, OC bisects AB, as congruent parts of congruent triangles are equal.

When two or more geometric figures are similar in size, form, and orientation, this is referred to as congruency in geometry. Two figures can be overlaid on one another by translation, rotation, and/or reflection when they are congruent because they are almost similar to one another and do not alter in size, form, or orientation.

For the given problem, the complete steps of proof with reasoning are:

(a) OC is perpendicular to AB in circle O (given). i.e ∠OCA and ∠OCB are right angles.

Reason: This is given in the problem statement. It establishes that OC forms a right angle with AB at point C in circle O. i

(b) Draw OA and OB (construction).

Reason: This is a construction step that introduces radii OA and OB from the center O of the circle to points A and B on the circle. This sets up the framework for the subsequent steps and establishes the positions of A and B in relation to the circle and the perpendicular OC.

(c) OA = OB (radii of the same circle are equal).

Reason: Radii of the same circle are always equal in length. This is a basic property of circles, where all radii have the same length, which can be stated as OA = OB based on the definition of a circle.

(d) OC = OC (Reflexive Property of Equality)

Reason: It is a property of line segments that they are equal to themselves. This is known as the Reflexive Property of Equality, which states that any quantity is equal to itself.

(f) AC = BC (common side of congruent triangles).

Reason: AC and BC are line segments that are both radii of the same circle, and OA = OB (Step c). Therefore, by the definition of congruent segments, AC = BC.

(e) Triangle ACO is congruent to triangle BCO (HL congruence criterion for right triangles).

Reason: Angle ACO and angle BCO are both right angles based on the given information that OC is perpendicular to AB (Step a). Also, AC = BC (Step d) and OA = OB (Step c). Therefore, by the Hypotenuse-Leg congruence criterion for right triangles, triangle ACO is congruent to triangle BCO.

(g) OC bisects AB (congruent parts of congruent triangles are equal).

Reason: Since triangle ACO is congruent to triangle BCO (Step e), the corresponding parts of congruent triangles are equal. In this case, OC is a common side (hypotenuse) of both triangles, and AB is a side of both triangles. Therefore, by the definition of a segment bisector, OC bisects AB.

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Answer:

No

Step-by-step explanation:

x=(b-5)/c≠(5-b)/c

supposedly

b=6

c=1

x=6-5/1=1

x=5-6/1= -1

1≠ -1

Answer:

No

Step-by-step explanation:

x = b - 5 / L equal to - (5 - b) / L

The counterexample is n = -2, because it gives:

-2 ≥ |-2|

Which is false, so the correct option is A.

For a proposition:

if P, then Q.

A counterexample will be a case where P is true, but Q is false.

Here we have the proposition:

if n is a real number, then n ≥ |n|

So we just need to find a real number that is not larger or equal to its absolute value, and any negative number will meet that condition, for example the first option:

n = -2

we will have:

-2 ≥ |-2|

And that is false, because |-2| = 2

So we would have:

-2 ≥ 2

Then n = -2 is a counterexample.

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Answer:

1/3

Step-by-step explanation:

There are only six possible options and two that you want. You would get the fraction 2/6 which is equal to 1/3

Hope it helps! (:

Answer: Option (4)

Step-by-step explanation:

A quadrilateral with two pairs of opposite congruent sides must be a parallelogram.

Based on the provided information, "the degree of collinearity cannot be determined from the data sets".

Collinearity refers to the presence of a high correlation between predictor variables in a regression model. It can cause issues with the interpretation and stability of the coefficients.

Looking at the four regression models provided, we can see that Models 1 and 2 were built using Data Set A, while Models 3 and 4 were built using Data Set B. The Total Sum of Squares (TSS) measures the total variability in the response variable, while the Residual Sum of Squares (RSS) measures the unexplained variability after fitting the model.

In Data Set A, Model 1 includes two predictors, XA1 and XA2, with a TSS of 35,930 and an RSS of 2,823. Model 2, with only one predictor (XA2), has a higher TSS of 92,990 and a higher RSS of 7,070. This suggests that Model 1 may be a better fit for the data, as it explains a larger proportion of the variability. However, we cannot determine if collinearity is present in Data Set A based on this information alone.

In Data Set B, Model 3 includes two predictors, XB1 and XB2, with a TSS of 27,570 and an RSS of 13,240. Model 4, with only one predictor (XB2), has a higher TSS of 87,020 and a much higher RSS of 34,650. This suggests that Model 3 may be a better fit for the data, but again, we cannot determine if collinearity is present in Data Set B based on this information alone.

Therefore, we cannot conclude whether collinearity is present in either data set A or B based on the information provided. We would need additional information such as the correlation between the predictor variables to assess the degree of collinearity

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Answer:

• 4x^2 + 24x + 36 is perfect square trinomial.

let's check

Yes first one

Rest are not

2nd one

Last one is out of business

answer:

1/433 (decimal: 0.002309)

step-by-step explanation:

5/2,165

= 1/433

to change 1/433 to decimal we'll divide the numerator by the denominator-

1÷433

=0.00230946882

so we're going to round to the ten-millionths place

5 or more raise the floor, 5 or less let it rest

4>5

so 0.002309

good luck :)

i hope this helps

brainliest would be highly appreciated

have a nice day!

Answer:

Step-by-step explanation:

-7/2t = 3x^2 - 5

t =  -2(3x^2 - 5)/7

The value of t is given by the equation t = [2/7](5 - 3x²) if the function g(x) = 3x² - 5.

It is defined as a special type of relationship, and they have a predefined domain and range according to the function every value in the domain is related to exactly one value in the range.

It is given that:

The function:

g(x) = 3x² - 5

To find the value of such that g(x) = -(7/2)t

Equate both the equations:

3x² - 5 = -(7/2)t

After simplification:

t = [2/7](5 - 3x²)

The above equation represents the value of t.

Thus, the value of t is given by the equation t = [2/7](5 - 3x²) if the function g(x) = 3x² - 5.

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Answer:

c

Step-by-step explanaticcon:

Answer:

The equation for the width is:

1056 = (2w+4) * w

And the solution is:

Width: 22 inches

Length: 48 inches

Step-by-step explanation:

Area of a rectangle = length * width

1056 = h * w   Eq. 1

h = 2w + 4         Eq. 2

h = length

w = width

Replacing Eq. 2 in Eq. 1:

1056 = (2w+4) * w

1056 = 2w*w + 4*w

1056 = 2w² + 4w

2w² + 4w - 1056 = 0

w = {-4±√((4²)-(4*2*-1056))} / (2*2)

w = {-4±√(16 + 8448)} / 4

w = {-4±√8464} / 4

w = {-4±92} / 4

Is a geometric figure, therefore, only the positive value will be obtained

w = {-4+92}/4

w = {88} / 4

w = 22

From Eq. 2:

h = 2w+4

h = 2*22+4

h = 44+4

h = 48

Check:

From Eq. 2

1056 = h * w

1056 = 48 * 22

\(\tt -1\dfrac{3}{4}=-\dfrac{(1\times 4)+3}{4}=-\dfrac{7}{4}\)

there are 15,448 five-person teams from this group that contain at least one man.

The total number of five-person teams that can be formed from a group of 20 people can be calculated using the combination formula, which is denoted as C(n, r) and given by n! / (r!(n-r)!), where n is the total number of individuals in the group and r is the number of people in each team. In this case, we have 20 individuals and we want to form teams of 5, so the total number of five-person teams is C(20, 5) = 20! / (5!(20-5)!) = 15,504.

To calculate the number of all-women teams, we consider that there are 8 women in the group. Therefore, we need to choose 5 women from the 8 available. Using the combination formula, the number of all-women teams is C(8, 5) = 8! / (5!(8-5)!) = 56.

Finally, to find the number of teams that contain at least one man, we subtract the number of all-women teams from the total number of five-person teams: 15,504 - 56 = 15,448.

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You can see the three points where the result is equal to an integer in the photo below. Good luck!

The equation in the given question is answered in main body.

What is equation?

In arithmetic , an equation may be a formula that expresses the equality of 2 expressions, by connecting them with the sign =

Main body:

according to question :

A) equation for Saturday sale = 84c +157d = 2640

equation for Sunday sale = 67c +134d = 2211

when subtracted we will get, 17c +23d = 429

This equation shows the difference in sales of these 2 days in terms of ticket sold and collection.

B) According to second part solution are c= 9 , d= 12.

equation given : 17c+23d = 429

now substituting value of c and d.

⇒17(9) + 23(12)

⇒153+276

⇒429 = R.H.S

Hence equation satisfies.

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Answer:

6 watch more than an hour and 3 watch less than 6 hours

Step-by-step explanation:

BRAINLIEST PLS

As the sample size gets larger, the z value increases therefore we will more likely to  less likely to fail to reject the null hypothesis, thus the power of the test increases.

Statistical tests provide a mechanism for making quantitative decisions about one or more processes. The intent is to determine whether there is sufficient evidence to "reject" speculations or hypotheses about the process. If you want to keep pretending that you "believe" the null hypothesis is true, then not rejecting it can do you good. Alternatively, it may indicate that there is not yet enough data to "prove" something by rejecting the null hypothesis. A classic application of statistical testing is process control studies. Suppose a manufacturing process is interested in  a photomask with an average linewidth of 500 microns. The null hypothesis in this case is that the average linewidth is 500 microns. This statement implies the need to characterize photomasks with average linewidths much larger or  smaller than 500 microns. This leads to the alternative hypothesis that the average linewidth is not equal to 500 microns. This is a two-way substitution as it protects against substitution in the opposite direction. In other words, the line width is either too small or too large.

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Answer:

the answer is 4.6 hope this helps

Step-by-step explanation:

No, 2 3 4 5 6 6 is not a function.

A function is a set of ordered pairs (x, f(x)) where each input value x corresponds to exactly one output value f(x). In other words, for any given input value x, there should be only one corresponding output value f(x).

2 3 4 5 6 6 is a list of integers, but it does not represent any ordered pairs. It is not clear which integers correspond to input values and which correspond to output values. Therefore, it cannot be considered a function.

It's important to note that in order to identify if a set of ordered pairs is a function or not, you must check if there's any value that is repeated as an input value, if so then it's not a function.

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Answer:

35000

Step-by-step explanation:

multiple the the cards per shipment by the number of shipments

7000x 5

=35000

Answer: Ok I have two ways for this

1. If you mean how many will there be for each shipment: 1,400

If you mean how many will there be for 5 shipments since there is 7,000 each shipment then 35,000

Step-by-step explanation:

1. 7,000 ÷ 5

2. 7,000 x 5