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3 years ago

11

What is the degree of the polynomial?

1 answer:

saw5 [17]3 years ago

7 0

Ddddddddddddddddddddddddddddddddddddddd

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A used bookstore will trade 2 of its books for 3 of yours. If Val brings in 18 books to trade, How many books can she get from t

dolphi86 [110]

Answer:

She will get 12 books from the store

Step-by-step explanation:

We can use ratio's to solve

2 books out x books out

------------------- =-----------------------------

3 books in 18 books in from Val

Using cross products

2 * 18 = 3 *x

Divide each side by 3

2*18 /3 = 3x/3

2*6 = x

12 =x

She will get 12 books from the store

8 0

3 years ago

Read 2 more answers

Which expressions are equivalent to -56z + 28.

NeX [460]

Answer:

B and C

Step-by-step explanation:

(-7)•8z = -56z

(-4)•(-7)=28

and

40•(-1.4)= -56z

40•0.7= 28

5 0

2 years ago

Julio says "If you subtract 13 from my number and multipy the difference by -3 the result is -45" what is Julio's number

ICE Princess25 [194]

Answer:28

Step-by-step explanation:

Julio's number is x

(X-13)*-3=-45

Divide by -3

X-13=15

Add13 to both sides

x=28

6 0

3 years ago

Can someone help me x^2 + 3 - 6(3x + 4) i will give brainliest

dangina [55]

Answer:

${x}^{2} - 18x - 21$

Step-by-step explanation:

${x}^{2} + 3 - 6(3x + 4)$

${x}^{2} + 3 - 18x - 24$

${x}^{2} - 21 - 18x$

$\boxed{\green{= {x}^{2} - 18x - 21}}$

8 0

2 years ago

The perimeter of a triangle is 76cm side of the triangle is twice as long as side b .side c is 1 cm longer than a side a .find t

stepladder [879]

P= a+b+c = 76
side a = 2b = 30
side b = b = 15
side c = 2b + 1 = 31

7 0

3 years ago