Pierce has 8 minutes to complete 10 math problems. How many minutes does he have to spend on each problem? Answers:2/10 minute, 8/10 minute, 10/8 minute, or 1 2/8 minute

Answers

Answer 1

Answer: 8 minutes for 10 problems

We want to find the unit rate.
Basically, how long does it take to do just 1 problem?

Divide each number by 10.

8/10 minute for 1 problem

This could simplify to 4/5 because both the top and bottom are divisible by 2, but since 8/10 is one of the answers, pick that.

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=4*(a * b * H) + s4 * (う*b*h)2.<-10 piesV=5 pies(4X5):20VS2

Answers

d=10pies
h=5pies

d/2=r
10pies/2=5pies=r
r=5pies

S=2pir^2+2pirh
V=hpir^2

S=2pi(5)^2+2pi(5)(5)
S=50(pi)+50(pi)
S=100(pi) pies^2
don't know why you measure units in pies

V=hpir^2
V=5pi5^2
V=5pi25
V=125pi pies^3

Which is more,31,684 feet or 6 miles

Answers

Answer:

31,684

Step-by-step explanation:

6 miles is 31,680 feet.

31,684 feet is more because 6 miles translated into feet is 31,680 so you have an extra 4 feet

Please help! And get it right I hope!

Answers

1. 56
2. 10
3. 16
4. 2
5. 12

X^2+4x=7 using the quadratic formula?

Answers

when you have
ax^2+bx+c=0
x= $\frac{-b+/- \sqrt{b^(2)-4ac} }{2a}$

1x^2+4x=7
minus 7
1x^2+4x-7=0
a=1
b=4
c=-7
sub

x= $\frac{-4+/- \sqrt{4^(2)-4(1)(-7)} }{2(1)}$
x= $(-4+/- √(16+28) )/(2)$
x= $(-4+/- √(44) )/(2)$
x= $(-4+/- 2√(11) )/(2)$
x= $-2+/- √(11)$

x= $-2+ √(11)$ or $-2- √(11)$

|express 0.45 as a Fraction| what is the answer?

Answers

$0.45=(45)/(100)=(9 * 5)/(20 * 5)=\boxed{(9)/(20)}$

Help help help help help

Answers

I would assume the answer is .775.

thats not the simplest form since there is a decimal multiply 10 than simplify by dividing 5 when you keep on simplifying this gives you 31/40 and that would be the simplified version.

Please mark brainliest.

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