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2 years ago

A picture measuring 2.5" high by 6" wide is to be enlarged so that the width is now 18 inches. How tall will the picture be?

1 answer:

8 0

We have that
the picture original is 2.5 in x 6 in
high=2.5 in
wide=6 in

the picture enlarged is
high=2.5*x
wide=6*x-----> 6*x=18--------> x=18/6----------> x=3
x is the factor scale
so
high=2.5*x-----> 2.5*3----> 7.5 in

the answer is
7.5 in

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In hypothesis testing, does choosing between the critical value method or the P-value method affect your conclusion? Explain.

Artist 52 [7]

Answer:

The correct answer is No.

Choosing between the critical value method or the P-value method does not affect one's conclusion because both methods look at the probability of the test statistic's and its level of significance .

Given the methodology utilized by both methods, they usually arrive at the same conclusion.

Cheers!

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2 years ago

Shana bought 6.2 pounds of pecans and paid $56.00. About how much per pound did the pecans cost?

bogdanovich [222]

Answer:

D. About $10

Step-by-step explanation:

To find unit price, you divide the total price by how much you're buying.

For example - $56 divided by 6.2 pounds of pecans is 9.032258064516129032258064516129‬ which can be rounded up to about $10

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2 years ago

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The two solids are similar and the ratio between the lengths of their edges is 2:9. What is the ratio of their surface areas? A)

masya89 [10]

When tow solids of similar shape that is assuming to be a box in this case, having a length ratio of 2:9, we get the ratio of the surface areas equal to thesquare of the ratio of their edges. This is becaue the surface area is equal to the area of the base (square) which is the square of the side. Answer is B.

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2 years ago

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PROBLEM SOLVING You are participating in an orienteering competition. The diagram shows the position of a river that cuts throug

Wewaii [24]

Answer:

The shortest distance is 2.2 miles

Step-by-step explanation:

we know that

The shortest distance you must travel to reach the river is the perpendicular distance to the river

step 1

Find the slope of the line perpendicular to the river

we have

$y=3x+2$

The slope of the river is m=3

Remember that if two lines are perpendicular, then their slopes are opposite reciprocal (the product of their slopes is -1)

therefore

The slope of the line perpendicular to the river is

$m=-1/3$

step 2

Find the equation of the line into point slope form

$y-y1=m(x-x1)$

we have

$m=-1/3$

$point(2,1)$

substitute

$y-1=-(1/3)(x-2)$

step 3

Find the intersection point of the river and the line perpendicular to the river

we have

$y=3x+2$ ------> equation A

$y-1=-(1/3)(x-2)$ -----> equation B

Solve the system by graphing

The intersection point is (-0.1,1,7)

see the attached figure

step 3

Find the distance between the points (2,1) and (-0,1,1.7)

the formula to calculate the distance between two points is equal to

$d=\sqrt{(y2-y1)^{2}+(x2-x1)^{2}}$

substitute

$d=\sqrt{(1.7-1)^{2}+(-0.1-2)^{2}}$

$d=\sqrt{(0.7)^{2}+(-2.1)^{2}}$

$d=2.2\ miles$

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2 years ago

Lois bought clothing at a store. She did not have enough in her bank account to pay for the purchase. After receiving the bill a

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Lois used a credit card to make the purchase.

One can't purchase an item that costs more than the balance in a debit card. The debit card is equivalent to cash on hand. You can only spend what you have.

The credit card is equivalent to a loan. You don't have the money as of the moment but when you use the credit card, you owe the issuing bank the amount you've put on credit. The bank will pay the merchant and you will pay the bank. Interest is an additional expense when you pay your bill beyond the due date. The interest is applied on the amount outstanding upon the payment due date.

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2 years ago

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