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Lubov Fominskaja [6]
3 years ago
9

If you dont answer all I won't give brain list...(If you do I will!)

Mathematics
2 answers:
Sliva [168]3 years ago
4 0
1. A=2(w*l+h*l+h*w)
A=2(2*3)+2(4*3)+2(4*2)
A=2(6)+2(12)+2(8)
A=12+24+16
A=52

2.V=l*w*h
V=2*7/8*3/4
V=2*21/32
V=42/32. Divided both sides by 2
V=21/16
V=1 5/16
Goryan [66]3 years ago
3 0

Answer:

dude bace times hight 4×2×3

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Fabio and Gwen are saving money to buy a new gaming station. They need at least $510 to purchase the new gaming station. Gwen we
vaieri [72.5K]

x represents the number of lawns weeded by Gwen and y represents the number of dogs walked by Fabio.

Gwen charges $12 each time she weeds a yard and Fabio charges $9 each time he walks a dog.

So, for x number of weeds, Gwen earned 12x and for y number of dogs walked, Fabio earned 9y.

They need at least $510 to purchase the new gaming station.

Therefore,

12x + 9y ≥ 510

Also, the number of dog walks that Fabio has scheduled should not be more than twice the number of yards Gwen has scheduled to weed.

Therefore,

y ≤ 2x

Also, Fabio will walk at least 25 dogs.

Therefore,

y ≥ 25

Hence, the constraints are:

12x + 9y ≥ 510

y ≤ 2x

y ≥ 25

8 0
3 years ago
Is 4y - 8 > 10 true?
steposvetlana [31]

4y-8>10

Add 8

4y-8+8>10+8

4y>18

Now divide both sides by 4

4y/4 > 18/4

y>9/2


Now let's see if it will be true

Replace y by its value

4(9/2)-8>10

36/2 -8 > 10

18-8 > 10

10 > 10

That's false because 10 can not smaller than 10

so it should be = instead


Answer : False


I hope that's help:)

7 0
3 years ago
What role do animals have in the carbon cycle?
dangina [55]
I believe it is use sugar and and release carbon. We breath in oxygen so you know it can’t be anything where we release oxygen. And I don’t know how we could release nitrogen so I would go with the second one
4 0
2 years ago
Read 2 more answers
(7x²+2x+5)+(3x²-8x-10)
Mariulka [41]
First you would simplify the equation <span>(7x²+2x+5)+(3x²-8x-10) lets start with the first part 
</span><span>(7x²+2x+5) 
</span>7x² + 2x which = 49x + 2x which also = 51x Then you add the last part (+5) 
51x + 5
Now you simplify the last part.
<span>(3x²-8x-10)
</span>3x²-8x which=9x - 8x which also = 1x or simply x Then add the last part (-10) Which you'll get x-10 
51x + 5) + (x - 10) = 52x -5
so your answer is 52x - 5
7 0
3 years ago
Please help me with the one that says convince me !
lora16 [44]

Answer:

Cory is correct

Step-by-step explanation:

When you divide 3.9 by 0.52 the quotient is 7.5. 7.5 will round up to 8.

4 0
3 years ago
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