MATHEMATICS MIDDLE SCHOOL

What number is equal to square root 64?

Answers

Answer 1

Answer:

64 has two square roots, namely 8 and −8 , since:

82=(−8)2=64.

When we say "the square root", what is usually intended is "the principal square root", which in the case of the Real square root of a positive number is the positive one. Any non-zero number n has two square roots.

Answer 2

Answer:

Final answer:

The square root of 64 is 8 because when 8 is multiplied by itself, it results in 64.

Explanation:

The number that is equal to the square root of 64 is 8. In mathematics, the square root of a number is a value that, when multiplied by itself, gives the original number. In this case, if you multiply 8 by itself (8 * 8), you get 64, which is the original number. Therefore, we can conclude that the square root of 64 is 8.

Learn more about Square Root here:

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Sasha drove from her house to the grocery store in 20 minutes. Her return trip took 15 minutes. If the store is 7 miles from her house, what was Sasha's average speed for the round trip, in miles per hour?

Answers

Total time = 35 minutes
Total distance = 14 miles

I would set this up as a proportion

14/35 = x/60 (60 minutes in an hour)
Now cross multiply and solve.
35x = 840
840/35 = 24 mph

distance = rate * time
7 miles = rate * 20 minutes
7/20 = 20r/20
r = 0.35 mph

What is 0.622 as a percentage *

Answers

62.2% i think i think that is the answer

62.2 % because. you. move the. decimal. 2 to the. right

A x b = 15b x c = 30
c x a = 18
what does a, b and c equal?
provide working for answers/explain your answer briefly

Answers

Answer:

$a=3$

$b=5$

$c=6$

Step-by-step explanation:

$Well,~you~see~it's~all~in~the~mental~workings~and~also~if~you~know~your~\nmultiplication~tables!$

→ $we~have:$

$a* b =15~$

$Now,~where~does~15~fall~in~our~multiplication~table?~5~and~3!~so~that~\nmeans,~a~is~3~and~b~is~5.$

→ $Now,~we~have:$

$b* c=30$

$We~already~know~what~the~value~of~b~is~so~in~the~5's~table,~what~number~gives~us\n~30?~6!~so,~we~know~that~c~is~6.$

→ $We~also~have:$

$c* a =18$

$We~already~know~what~c's~value~and~a's~value~is.~c~is~6~and~a~is~3~so~\nif~we~multiply~them~we~get,~18!$

$Hope~my~answer~helps!~Have~an~amazing~day~ahead!$

$-Isabelle~Williams$

Y=-3x+24x-15 in vertex form

Answers

Answer: (4,-38) i think

Y = a(x-h)^2+k
First divide factor out -3 so Y = -3(x^2-8x+5)
Then complete the square:
Y = -3(x^2-8x+16+5-16)
Y = -3(x-4)^2+33

Please help me idk this

Answers

Answer: 0.4675

Step-by-step explanation: caculator

Which equations are in standard form? Check all that applyy=2x+5
2x+3y=-6
4x+3y = 12
y=77-9
1+3=6
Ir-y = 5
5x+30

Answers

Answer:

2x+3y=6

Step-by-step explanation:

standard form:

ax+by=c

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