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2 years ago

A student wrote the equation 4(x+5.5)=3(1.5x+4.75) to represent the problem shown. Find her mistake and correct it.

Mathematics

1 answer:

Kryger [21]2 years ago

8 0

Answer:

I also

need points sorry :(

Step-by-step explanation:

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Help, 100 pts + brainlist for first person to answer

Blababa [14]

Answer:

About 4.

Step-by-step explanation:

It is actaully 3.95 but if you were rounding and in fraction form, it would be four! Hope this helps!

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1 year ago

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What is two thirds of 8?

Luba_88 [7]

8x2=16, 16 over 3 is roughly 5.33. so 5 is roughly 2/3rds of 8. Use basic cross multiplication

3 0

3 years ago

I NEED HELP PLSS!!

ahrayia [7]

Answer:

Yo I got the same question as you lmk if u got it bro

Step-by-step explanation:

4 0

2 years ago

Please help me <br> can u explain how to do this

Ghella [55]

Answer:

x=41

Step-by-step explanation:

so since this is a right triangle you can use the Pythagorean Theorem to find the missing side. the two sides you know are 'a' and 'b' and the missing side is 'c'. the theorem says that:

a^2+b^2=c^2

so:

9^2 +40^2=c^2

solve for the exponents:

81 +1600=c^2

1681=c^2

and now, since 1681 is the missing side's length squared, we must find the square root of 1681, which is 41

hope this helps :)

7 0

2 years ago

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After painting the fence steve and janet realize that their house also needs painting. But steve will have to do the painting hi

gladu [14]

Answer:

Therefore, Steve will paint house for 20.6 days.

Step-by-step explanation:

We know that Steve determines that it would take them 9 days to paint the house together (if they were both healthy) and that it would take Janet (when healthy) 16 days to paint the house alone.

We conclude that in 1 day Janet painted 1/16 of the house. In nine days, Janet painted 9/16 of house.

So, 7/16 of house paint Steve in nine days.

We have the following proportion:

$\frac{7}{16}:9=1:x\\\\\frac{7}{16}x=9\\\\x=9\cdot \frac{16}{7}\\\\x=20.6$

Therefore, Steve will paint house for 20.6 days.

4 0

2 years ago