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3 years ago

If 7 cakes cost 15 how much 22 cakes cost pllsssss help with this ik this problem is easy but i just cant solve it so help

Mathematics

1 answer:

Iteru [2.4K]3 years ago

8 0

Answer: 47.14

Step-by-step explanation:

7 22

____=_____

15 x

7(x)=15(22)

7x=330

_______

7 7

x=47.14

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What is the scale factor of figure B to figure A

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$scale \: \: factor = \frac{25}{10} = \frac{10}{4} = \frac{21.5}{8.6} = 2.5 \\$

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2 years ago

What value does the 3 represent n the number 16.344 ?

Maslowich

Answer:

Three hundred

Step-by-step explanation:

Because the whole number is sixteen thousand THREE HUNDRED forty four

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2 years ago

When solving a system of equations, Jared found y = x + 10 for one equation and substituted x + 10 for y in the other equation.

myrzilka [38]

Both are correct they just chose a different variable to solve for first. they will both get correct answers if they do the rest correctly.

5 0

3 years ago

Read 2 more answers

Evaluate the expression for y=17<br> y+15=

sweet-ann [11.9K]

Answer: 32

Step-by-step explanation:

y = 17

and you are give the expression y + 15

so substitute the value of y into the expression and add them

17 + 15 = 32

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2 years ago

How do I solve for question number 6

Natali5045456 [20]

Answer:

$18 + 18\sqrt{3}$

Step-by-step explanation:

The rectangle has been split into two right triangles. The hypotenuse of the triangle (the diagonal) is 18. The angle in the triangle is 30. All right triangles have unique relationships between their sides depending on the angles. This triangle must be a 30 - 60 - 90 triangle and its sides will be a scaled version of $1 - \sqrt{3} -2$ .

The side 2 correspond to the hypotenuse of length 18. 2*9 = 18 and so the scale factor is 9. To find the remaining sides, multiply each side length by 9 from $1 - \sqrt{3} -2$ .

It becomes $9 - 9\sqrt{3}-18$ . So the rectangle is 9 by $9\sqrt{3}$ .

The perimeter of the rectangle is $9 + 9 + 9\sqrt{3} + 9\sqrt{3}=18 + 18\sqrt{3}$

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3 years ago