3 years ago

This question pls I don’t understand

Mathematics

1 answer:

adell [148]3 years ago

5 0

Answer:

19.4

Step-by-step explanation:

50% is one half

so 9.7 is half of ....

Then .... is twice 9.7

.... = 2 × 9.7 = 19.4

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Margaret [11]

Answer:

30?

Step-by-step explanation:

divide 20 by 8 and then times the answer by 12

7 0

4 years ago

The difference between a number divided by 3 and 4 is 20

Rzqust [24]

Set the number to x.

$\frac{x}{3}-\frac{x}{4}=20$
$\frac{4x}{12}-\frac{3x}{12}=20$
$\frac{x}{12}=20$
$x=240$

Thus, the number is 240.

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3 years ago

Which expression is equivalent to 3y?

Yakvenalex [24]

Answer:

Ooy+(+12)-2

Step-by-step explanation:

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3 years ago

Solve for x. Round to the nearest tenth, if necessary. 1.8 & x

Valentin [98]

Answer:

x ≈ 1.4

Step-by-step explanation:

Using the sine ratio in the right triangle

sin50° = $\frac{opposite}{hypotenuse}$ = $\frac{RS}{RT}$ = $\frac{x}{1.8}$ ( multiply both sides by 1.8 )

1.8 × sin50° = x , then

x ≈ 1.4 ( to the nearest tenth )

7 0

3 years ago

Three times a certain number is 45. What is the number?

andriy [413]

The answer is fifteen (15)
Hope this helps!

4 0

3 years ago