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timama [110]
3 years ago
12

What could be a word problem that could be modeled by the equation 12x+9=45?

Mathematics
1 answer:
Lelu [443]3 years ago
6 0

Answer:

x = 3

Step-by-step explanation:12x+9=45

Subtract 9 from both sides

12x=36

Divide both sides by 12

x=3


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Diagram shows a framework consisting of 16 wooden rods. The length of each rod is 8 cm.
Umnica [9.8K]

Answer:

1024 cm²

Step-by-step explanation:

There are 16 rods.  A square has 4 equal sides, so each side must consist of 4 rods.  The length of each rod is 8 cm, so the length of each of the square's sides is 32 cm.  Therefore, the area of the square is:

A = s²

A = (32 cm)²

A = 1024 cm²

8 0
3 years ago
What is the value of the expression below when y = 7?<br> 2y^2 + 9y + 2<br><br><br> Help me!!!!!
Flauer [41]

Answer:

163

Step-by-step explanation:

2*(7^{2}) +9(7)+2

2*(49)+9(7)+2

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3 years ago
A washer and a dryer cost $714 combined. The washer costs $64 more than the dryer. What is the cost of the dryer?
larisa [96]
293 because 714/2 is 357 - 64 = 293
3 0
3 years ago
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What can you conclude about DNA from the idea that it is<br> like a cell's "brain"?
Lena [83]

Answer:

Cells could not function without them

Step-by-step explanation:

3 0
3 years ago
Clifford is making a really big white cake for his sisters birthday. The recipe calls for 1.5 times as much flour as sugar. It a
pantera1 [17]

<u>Answer:</u>

The amount of butter, sugar and flour does Clifford need is 2.5 cups flour, 3.75 cups sugar and 1.25 butter

<u>Explanation</u>:

Consider the number of cup of flour used to be x

According to question,

Recipe calls for 1.5 times as much flour as sugar

Sugar =1.5 \times Flour

Sugar = 1.5x

Butter = ½ x = 0.5x

According to question,  

Flour + Sugar + Butter = 7.5

x + 1.5x + 0.5x = 7.5

3x = 7.5

x = 2.5

Sugar = 1.5x = 1.5(2.5) = 3.75

Butter = 0.5(2.5) = 1.25

Clifford need is 2.5 cups flour, 3.75 cups sugar and 1.25 cups butter

3 0
3 years ago
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