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Vladimir79 [104]

3 years ago

15

Diana baked 36 cookies with 4 scoops of flour. How many scoops of flour does Diana need in order to bake 45 cookies? Assume the

relationship is directly proportional.

1 answer:

max2010maxim [7]3 years ago

5 0

Answer:

5 scoops of flour

Step-by-step explanation:

36 divided by 4 is 9

9 x 5 is 45

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A builder needs to cover 10 square yards of floor with tile. red tile costs $60 per square yard, and white tole costs $40 per sq

dsp73

Answer:40 square yards

Step-by-step explanation:

Given

Floor area A=10 square yards

Red tile costs $\$ 60$ per square yards

White tile costs $\$40$ per square yards

Total money spent= $\$480$ on tiles

Suppose red tiles cover an area of $x$ square yards

So, we can write

$60\times x+40\times (10-x)=480\\60x+400-40x=480\\20x=80\\x=40\ \text{square yards}$

Red tiles cover an area of 40 square yards

6 0

3 years ago

Simplify the polynomial expression given below.<br><br> (2x − 1)(2x2 + 5x + 3) + (3x + 6)

fenix001 [56]

Answer:

$4x^{3}+8x^{2} +4x+3$

Step-by-step explanation:

Hello

To simplify the polynomial we must eliminate the parentheses

by definition

$ax^{n}*bx^{m} =abx^{n+m}$

$(2x-1)(2x^{2} +5x+3)+(3x+6)\\(4x^{3} +10x^{2} +6x-2x^{2} -5x-3)+(3x+6)\\\\We\ add\ the\ similar\ terms\\\\(4x^{3}+8x^{2} +x-3)+(3x+6)\\\\4x^{3}+8x^{2} +4x+3$

I hope it helps

Have a great day

5 0

3 years ago

Read 2 more answers

What digit can be in the ones place of a number that has 5 as a factor

saveliy_v [14]

Only numbers possible would be five and zero

8 0

3 years ago

Which graph represents a function?

salantis [7]

Answer:

It is the answer closest to the right. The one with a straight line.

Step-by-step explanation:

Because it is a function if there is only one dot per line vertically. The others have either 2 or more dots per line vertically.

7 0

3 years ago

3<br> 1 point<br> 3.5m + 90 = 132<br> m =<br> type your answer...

Anon25 [30]

The answer is
225.5 m
because if you add all the numbers up then you would get 224.5

4 0

3 years ago