MATHEMATICS HIGH SCHOOL

Rearrange the formula a2 + b2 = c2 for a. A) a = (c2 − b2)2 B) a = (c2 + b2)2 C) a = c2 − b2 D) a = c2 + b2

Answers

Answer 1
Answer:

Answer:

the correct answer is:

a =  √c^2 − b^2

Step-by-step explanation:

a^2 + b^2 = c^2

Explanation:

a^2 + b^2 = c^2

a^2 = c^2 − b^2

a =  √c^2 − b^2
Answer 2
Answer:

Answer:

C2 + a2 +2 = b

Would be the new formula

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B1 of a trapezoid in which A 48x+68 in, h 8 in, and b2 9x+12 in

Answers

A=h(b1+b2)/2, so 48x+68=8(9x+12+b1)/2.  Then, dividing by 4, 12x+17=9x+12+b1.  Subtracting 9x+12, we have that b1=3x+5.

How many terms are in the expression shown below?a2 - ab + 8b + b2 - 1
2
3
4
5

Answers

The answer is:  5 .
___________________________
1)  a² ;
___________
2)  −ab ;
___________
3) + 8b ;
___________
4)  + b² ;
___________
5)   − 1 .
____________________________________________________

The cylinder has a height of 10cm, and a radius of 3cm. What is it's surface area?

Answers

surface area is the area on top+area on bottom+area around

the areas on top are circles so 2pir^2 is the total area of tops and bottoms

the area arounnd is a rectangle that has been curled, its legnth is the height of the cylinder and the width is the circumfernce of the circle on top so area of that is h2pir
add them

2pir^2+h2pir
subsitute since h=10 and r=3
2pi(3)^2+10(2)pi(3)
2pi9+20pi3
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78pi cm^2 is surface aea
if aprox pi=3.14 then
SA=244.92 cm^2



SA=78pi cm^2 or 244.92 cm^2 

The equation for the surface area of a cylinder is A = 2 π r h+2 π r^2
A=2(3.14)(3)(10)+2(3.14)(3)^2
A=188.4+36.52
A=244.92

You have a coupon for a restaurant. You save $3 on a meal. What was the original cost of the meal?

Answers

if $3 was 25% of the original price then 3*4 = $12

What’s the function?

Answers

The answer is it ABC and D

A track runner was timed at 3 miles per hour. How many feet per minute did they run?3 miles/1hr = [x]feet/1minute

A) 264ft/minute

B) 60ft/minute

C) 15840ft/minute

D) 88ft/minute
I NEED HELP ASAP!!!!! PPPPPPPPPLLLLLLLLEEEEEEEEEAAAAAAAAASSSSSSSSSSEEEEEEEE!!!!!

Answers

Answer: A) 264ft/minute


Step-by-step explanation:

1. Based on the information given in the problem, the speed of the track  runner was 3 miles per hour (3(mi)/(h)).

2. If you want to know the speed of the track runner in feet per minute, you need to apply the following proccedure:

(3(mi)/(h))((5280ft)/(1mi))((1h)/(60min))=((3)(5280))/(60)=264(ft)/(min)

3. Therefore, the answer is the option A.
the correct answer is A
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