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forsale [732]
2 years ago
15

Subtract 39 from 42, and then subtract that difference from 26. Which expression means the same as these words?

Mathematics
1 answer:
xenn [34]2 years ago
8 0

Answer:

26 - (42 - 39)

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Enter your answer and show all the steps that you use to solve this problem.
avanturin [10]

9514 1404 393

Answer:

  ∠B = 41°

Step-by-step explanation:

<u>Step 1</u>: Recognize that ∠B and ∠A are "remote interior angles" with respect to the exterior angle at C. Hence their sum will be equal to the measure of the exterior angle.

<u>Step 2</u>. Compute angle B as the difference between the exterior angle at C and the interior angle at A:

  113° - 72° = ∠B = 41°

3 0
3 years ago
Please help I have been trying to solve this
Olin [163]

The intersecting chord theorem says

AY \cdot BY = CY \cdot DY

AY = \dfrac{ CY \cdot DY}{BY} = \dfrac{6 \cdot 12}{9} = 8

AB = AY + BY = 8 + 9 = 17

Answer: 17

7 0
3 years ago
Given f(x) = V6x and g(x) =
AURORKA [14]

Answer:

8 is the only one that will work

Step-by-step explanation:

(f o g)(x)=f(g(x)).

So this means the x will first be plug into g.

So let's check your choices.

g(6)=1/(6-6)=1/0 so 6 is not in the domain of g which means it isn't in the domain of (f o g).

g(8)=1/(8-6)=1/2  so this is a number so 8 is in the domain of g,

Let's check if 1/2 is in the domain of f.

f(1/2)=sqrt(6*1/2)=sqrt(3) so this is a number so since 1/2 is in the domain of f then 8 is in the domain of (f o g).

g(4)=1/(4-6)=1/(-2)=-1/2 so 4 is in the domain of g,

f(-1/2)=sqrt(6*-1/2)=sqrt(-3) so this is a problem because you can't square root negative numbers so -1/2 isn't in the domain of f, and therefore 4 isn't in the domain of (f o g).

g(2)=1/(2-6)=1/-4=-1/4 so 2 is in the domain of g.

f(-1/4)=sqrt(6*-1/4)=sqrt(-3/2) so again this is a problem because we can't square root negative numbers so -1/4 isn't in the domain of f, and therefore 2 isn't in the domain of (f o g).

4 0
3 years ago
15. Solve for the specified variable:<br> -<br> х<br> +<br> 7 8<br> - 10; for y.
Andreyy89

Answer:

y=80-\frac{8x}{7}

Step-by-step explanation:

15). Given equation is,

     \frac{x}{7}+ \frac{y}{8}=10

     Multiply the equation by 8,

     8(\frac{x}{7}+ \frac{y}{8})=10\times 8

     \frac{8x}{7}+y=80

     Subtract \frac{8x}{7} from both the sides of the equation,

     \frac{8x}{7}+y-\frac{8x}{7}=80-\frac{8x}{7}

     y=80-\frac{8x}{7}

     Therefore, value of the variable 'y' will be,

     y=80-\frac{8x}{7}

3 0
2 years ago
How do you find the volume, in cubic inches of a prism?
Margaret [11]

Answer: V= Area of the base x the height


Step-by-step explanation:

Assuming the measurements of the sides are already in inches, say the area of the base ends up being 14in and the height of the prism is 5in, multiply those numbers and your answer would be 70 inches cubed.

5 0
2 years ago
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