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3 years ago

What is the value of x if x+15=38 ?

Mathematics

2 answers:

IrinaVladis [17]3 years ago

7 0

Answer:

Step-by-step explanation:

Subtract 15 by both sides to get X by itself and you get your answer!

Doss [256]3 years ago

5 0

Answer:

x=23

Step-by-step explanation:

x+15=38 (we subtract 15 from both sides to get x alone on one side)

x=23

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Find the area of the circle.

juin [17]

Answer:

See Explanation Below

Step-by-step explanation:

Your question isn't clear; However, I'll solve in two ways

1. Diameter = 14 cm

2. Radius = 14 cm

When Diameter = 14 cm

Given

$Area = \pi r^2$

$Diameter = 14cm$

Required

Calculate the area of the circle

First, the radius has to be solved;

$Radius = \frac{1}{2} Diameter$

$Radius = \frac{1}{2} * 14cm$

$Radius = 7cm$

Using the given formula;

The area is as follows

$Area = \pi r^2$

$Area = 3.14 * 7^2$

$Area = 3.14 * 49$

$Area = 153.86cm^2$

When Radius = 14 cm

Given

$Area = \pi r^2$

$Radius = 14cm$

Required

Calculate the area of the circle

Using the given formula;

The area is as follows

$Area = \pi r^2$

$Area = 3.14 * 14^2$

$Area = 3.14 * 196$

$Area = 615.44cm^2$

7 0

3 years ago

What is the estimate of 824 ÷ 42

Fiesta28 [93]

Answer:34.333 repeating

Step-by-step explanation:

8 0

3 years ago

Will mark as brainliest if correct

Alenkinab [10]

Answer:

x = 2

Step-by-step explanation:

9^2 or 9(9) = 81

8 0

3 years ago

Determine the line described by the given point and slope (0,0) and 2/3

AlekseyPX

Answer:

The line is $y=\frac{2}{3} x$ .

Step-by-step explanation:

Given:

Point and slope (0,0) and 2/3.

Now, to determine the line.

Here the point is:

$(x_{1},y_{1}) =(0,0)$

And the slope is:

$m=\frac{2}{3}$

Now, putting the formula and substituting the value from above to determine the line:

$y-y_{1} = m(x-x_{1})$

$y-0=\frac{2}{3}(x-0)$

$y=\frac{2}{3} x$

Therefore, the line is $y=\frac{2}{3} x$ .

4 0

3 years ago

Need help please!!!!!

Yanka [14]

Answer:

Side 1 = 8, side 2=6, side 3=3 1/3 or 10/3

Step-by-step explanation:

We can set up a proportion comparing the sides of the original triangle to the new triangle.

The original triangle has sides 12, 9, and 5. The new triangle has sides 8, e, and f (use whatever letters you like, it doesn't matter, but for me, e is the side with the middle length and f is the side with the shortest length.

We can write 3 ratios, with the length of the new triangle over the length of the old triangle.

8/12 e/9 f/5

To figure out e and f, put each ratio equal to 8/12.

8 = e Then multiply both sides of the equation by 9 and get 72 = e, 6=e.

12 9 12

8 = f Then multiply both sides of the equation by 9 and get 40 = f, 10=f.

12 5 12 3

10/3 can be rewritten as 3 1/3.

6 0

3 years ago