You need 250 pieces of wood. justin can hammer 10 1/4 pieces of wood an hour and jason can hammer 9 1/2.how many hours will it take for them to finish the fort? round to the nearest whole number

Answers

Answer 1

Answer: It will take about 13 hours.

10.25x+9.5x=250
19.75x=250
x=12.65
Round up to 13.

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Evaluate the expression when x = 8 and y = 1. x/2y

Solve 2x^2 = 72.
Question 1 options:
{±18}
{±36}
{±6}
{±8}

Answers

all you do is have to plug each option in for x
2*18^2=684
2*36^2=2592
2*6^2=72
2*8^2=128
So it's C.6

You divide both sides by 2 to get X^2=36. You then square root both sides to get X=6. The answer is d.6.

Which values represent the first two terms of the sequence a1=2 and an=-2(an-1)^2?2, -8
-2, 16
-8,-128
16, 1024

Answers

Hello,

$a_(1)=2$
$a_(n+1)=-2*a_(n)^2$

$a_(1)=2$
$a_(2)=-2*2^(2)=-8$
$a_(3)=-2*(-8)^(2)=-2*64=-128$

Answer C

There it is can someone help me it's a tricky one lol

Answers

15 minutes. 28-13=15

A restaurant earns $1073 on Friday and $1108 on Saturday. Write and solve an equation to find the amount xx (in dollars) the restaurant needs to earn on Sunday to average $1000 per day over the three-day period.

Answers

Money earned by restaurant on Friday=$1073

Money earned by restaurant on Saturday=$1108

Let Money earned by restaurant on Sunday=$x

Average=$1000

$\text { average}=\frac { sum of all the observation}{total number of observation}$

Number of observation=3

⇒ 3× 1000=1073+1108+x

⇒3000= 2 181+x

⇒3000-2181=x

⇒x=819

The restaurant needs to earn on Sunday to average $1000 per day over the three-day period=$819

1073+1108+x/3=1000

answer is $819

What divided by what equals 9?

Answers

9 times 4 equals 36 and if you divided 36 by 4 it will equal 9

81/9=9
27/3=9
18/2=9
36/4=9
45/5=9

B2+10b+25/b29-9 . B+3/B+5

Answers

b4 + b3 - 45b2 - 27b + 25—————————————————————————b2

the answer is (b+5)(b+5)/b(29-5)

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