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2 years ago

an art supply store sells posters for 9$ and picture frames for 15$. what is the total cost for 6 framed posters?

Mathematics

2 answers:

myrzilka [38]2 years ago

7 0

The total cost of 6 frames is going to be 90 dollars.You multiply 15 ,times 6

Evgen [1.6K]2 years ago

6 0

69 framed posters beacuse you have to add 9 and 15 and multiply 24 times 6

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A rectangle measures 2 1/2 inches by 3/4 inches What is its area?

il63 [147K]

Answer:

1 7/8

Step-by-step explanation:

I think you need to times it like 2 1/2 x 3/4, first you make 2 1/2 into 5/2 then times it like this 5/2 x 3/4. the answer is 1 7/8

8 0

2 years ago

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An experiment consists of choosing objects without regards to order. Determine the size of the sample space when you choose the

sdas [7]

Answer:

$n= 75, 582$

$n= 2300$

$n = 253$

Step-by-step explanation:

Generally the size of the sample sample space is mathematically represented as

$n = \left N } \atop {}} \right. C_r$

Where N is the total number of objects available and r is the number of objects to be selected

So for a, where N = 19 and r = 8

$n = \left 19 } \atop {}} \right. C_8 = \frac{19 !}{(19 - 8 )! 8!}$

$= \frac{19 *18 *17 *16 *15 *14 *13 *12 *11! }{11 ! \ 8!}$

$n= 75, 582$

For b Where N = 25 and r = 3

$n = \left 25 } \atop {}} \right. C_3 = \frac{25 !}{(19 - 3 )! 3!}$

$= \frac{25 *24 *23 *22 ! }{22 ! \ 3!}$

$n= 2300$

For c Where N = 23 and r = 2

$n = \left 23 } \atop {}} \right. C_2 = \frac{23 !}{(23 - 2 )! 2!}$

$= \frac{23 *22 *21! }{21 ! \ 3!}$

$n = 253$

4 0

3 years ago

Please help! I'll give anyone who helps 10 points.

Lesechka [4]

Answer:

the bottom one b and c

Step-by-step explanation:

it goes at a steady rate of 2b=c

4 0

2 years ago

A polygon with 12 sides is called a/an <br> a. dodecagon. <br> b. pentagon. <br> c. undecagon.

Pepsi [2]

The answer is A. dodecagon.

5 0

2 years ago

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What dose this = to? triangles = to 180 buts all i know

lara31 [8.8K]

7. Straight lines are also = to 180°

If you look at the diagram, when you add the two angles together, they form a straight line.

Since the angles add up to 180°, you can do:

(x + 25)° + (4x + 5)° = 180°

x + 25 + 4x + 5 = 180 Combine like terms

5x + 30 = 180 Subtract 30 on both sides

5x = 150 Divide 5 on both sides

x = 30

3 0

3 years ago