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Leviafan [203]
3 years ago
8

help help help help help help help help help

Mathematics
2 answers:
Nostrana [21]3 years ago
5 0
For your answer x=13
eduard3 years ago
5 0

Answer:

do math

Step-by-step explanation:

You might be interested in
The area on a wall covered by a rectangular poster is 270 square inches. The length of the poster is 1.2 times longer than the w
forsale [732]

Answer:

Length = 18 in

Width = 15 in

Step-by-step explanation:

We have that the area of a rectangle is:

A = L * W

but L = 1.2 * W

A = 1.2 * (W ^ 2)

1.2 * (W ^ 2) = 270

(W ^ 2) = 270 / 1.2

W ^ 2 = 225

Therefore, W is equal to:

W = 225 ^ (1/2)

W = +/- 15, but only +15 makes sense

W = 15

Now for L:

L = 1.2 * 15

L = 18

A = 15 * 18 = 270 in ^ 2

4 0
3 years ago
A boat rental charges a flat fee of $45 and $4 per hour. Which expression represents the total cost to rent a boat for h hours
vichka [17]

Answer:

45h+ 4

Step-by-step explanation:

you got to divide but the expression is 45h+4

5 0
3 years ago
The expression 21 - (2x + 3)2 + 4 (1 - 1) + z3 can be simplified into the form
mr Goodwill [35]

Answer:

A=z

B=-2

C=0

D=30

Step-by-step explanation:

First lets simply the equation

21 - (2x +3)2 + 4(1-1) + z^3

21 - (2x^2 + 9) + 4(0) + z ^3

21 - 2x^2 + 9 + z^3

- 2x^2 + z ^3 + 30

This means that:

A=z

B=-2

C=0

D=30

5 0
3 years ago
Please help me with my homework please answer this correctly
sleet_krkn [62]
6 then thousandths=60,000
1 more thousandth then 10,000=11,000
No hundreths=000
3 more tens then 10,000=40,000
And 4 fewer ones than 10,000=9,996
Add that all together and you get 121, 996
5 0
3 years ago
Convert 9/5 into a mixed number
Nadusha1986 [10]
1 and 4/5, would appreciate brainliest!
3 0
3 years ago
Read 2 more answers
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