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Ivanshal [37]
3 years ago
11

Help!! 8th grade Math!

Mathematics
1 answer:
Sliva [168]3 years ago
6 0
The correct answer is the last choice
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URGENT URGENT URGENT URGENT URGENT
fiasKO [112]

Answer:

x=7

Step-by-step explanation:

To set up for this answer, we need to set it up as an equation: 2x+12=5x-9.

get the xs on one side and the whole numbers on the other.

that leaves you with 21=3x.

divide by 3 on both sides to get the answer of x=7

4 0
3 years ago
Read 2 more answers
A worm travels 1250 millimeters how many meters did the worm travel
nataly862011 [7]
The worm traveled 1.25 meters
6 0
3 years ago
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The function d(t)=-2t^2+9t+18 most closely represents the height(h) of the golf ball in feet after t seconds. How long is the go
Kobotan [32]

Answer:

Step-by-step explanation:

d(t)=-2t^2+9t+18

calculate the derivate : f'(t) = - 4t+9

f'(t) = 0 : - 4t+9= 0   so t = 9/4

the maximum value is f(9/4) = ....... continue

3 0
3 years ago
Please help im stuck on this question​
VARVARA [1.3K]

Answer:

(12,0)

Step-by-step explanation:

slope m=

\frac{54-36}{27-22} =\frac{18}{5}

y-36=\frac{18}{5}(x-22)\\\\5y-180=18x-396\\\\y=\frac{18x}{5} -\frac{46}{5}

0=\frac{10}{5}x-\frac{46}{5}\\\\x=\frac{216}{18}   =12

hope it helps...

have a great day

7 0
3 years ago
3. PLZZZZ HELP MEEE!.!.!
andre [41]

Answer:

60in²

Step-by-step explanation:

Since lateral surface area means all the shapes except the base, we will ignore the square in the middle.

A=1/2(b*h)

A=1/2(10*3)

A=15in²

Now we will multiply the area by 4 or the number of other shapes besides the base.

60in²

3 0
2 years ago
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