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olga55 [171]
3 years ago
9

Quan bought 8.6 m. Of fabric. how many cm of did he buy

Mathematics
2 answers:
Verdich [7]3 years ago
7 0
There are 100 centimeters in a meter. So, it only makes sense to multiply the number of meters by 100 to get the amount of cm:

8.6 * 100

Moving the decimal down 2 times:

860 cm

Hope this helped!
guajiro [1.7K]3 years ago
5 0
When converting from meters to centimeters, you have to multiply the number by 100 because there are 100 centimeters per meter.
8.6m x 100= 860cm
Quan bought 860 centimeters of fabric.
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The angle of depression from D to F measures 40°. If DE = 100 m, find DF. Round your answer to the nearest tenth.
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What are the solutions to the equation 5 = |x|? Choose all answers that are correct. A. -1/5 B. -5 C. 5 D. 1/5
frez [133]

Answer:

B. -5

C. 5

Step-by-step explanation:

The absolute value means make it positive.

When solving an equation with an absolute value it means we have two solutions, a positive and a negative

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What is the value of x in the equation 3x - 1/9y = 18, when y = 27?<br> O 5<br> 07<br> O 45<br> 63
ddd [48]

Answer:

7.

Step-by-step explanation:

plug 27 in as y as y = 27.

3x - 1/9(27) = 18

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3 years ago
Which expression is equivalent to (5g^4+5g^3-17g^2+6g)-(3g^4+6g^3-7g^2-12)/g+2
ankoles [38]

Option C:

2 g^{3}-5 g^{2}+6

Solution:

Given expression:

$\frac{\left(5 g^{4}+5 g^{3}-17 g^{2}+6 g\right)-\left(3 g^{4}+6 g^{3}-7 g^{2}-12\right)}{g+2}

To find which expression is equal to the given expression.

$\frac{\left(5 g^{4}+5 g^{3}-17 g^{2}+6 g\right)-\left(3 g^{4}+6 g^{3}-7 g^{2}-12\right)}{g+2}

Expand the term -\left(3 g^{4}+6 g^{3}-7 g^{2}-12\right):-3 g^{4}-6 g^{3}+7 g^{2}+12

         $=\frac{5 g^{4}+5 g^{3}-17 g^{2}+6 g- 3 g^{4}-6 g^{3}+7 g^{2}+12}{g+2}

Arrange the like terms together.

         $=\frac{5 g^{4}- 3 g^{4}+5 g^{3}-6 g^{3}-17 g^{2}+7 g^{2}+6 g+12}{g+2}

         $=\frac{2 g^{4}- g^{3}-10 g^{2}+6 g+12}{g+2}

Factor the numerator 2 g^{4}-g^{3}-10 g^{2}+6 g+12=(g+2)\left(2 g^{3}-5 g^{2}+6\right)

         $=\frac{(g+2)\left(2 g^{3}-5 g^{2}+6\right)}{g+2}

Cancel the common factor g + 2, we get

         =2 g^{3}-5 g^{2}+6

Hence option C is the correct answer.

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Answer:

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