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ira [324]
3 years ago
13

I need help don’t know the answer:(

Mathematics
1 answer:
Sergeeva-Olga [200]3 years ago
4 0

The difference is 3/4

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A trapezoid has a height of 6 ft and a total area of 30 ft^. What are the possible lengths of the bases. Explain your reasoning.
gtnhenbr [62]
The area of a trapezoid = (a + b)/2 x h
Where a and b are the lengths of the parallel sides and h is the perpendicular distance between them.
When (a + b)/2 x 6 = 30
then (a + b)/2 = 5
a + b = 10

Possible values for (a,b) are (4,6) (3,7) (2,8) (1,9) assuming a < b but (7,3) is also valid.
Any positive real value is possible so (4.8, 5.2) and (0.3, 9.7) are valid

In general {a,b both real: 0
3 0
3 years ago
7 1/2 divided by 3/4 =?
nika2105 [10]
10 i'm pretty sure sorry if i'm wrong
3 0
3 years ago
Read 2 more answers
Find the zeros of y = x2 - 6x – 4 by completing the square.
Pie

Answer:

√13 + 3 = x

-√13 + 3 = x

Step-by-step explanation:

y = x² - 6x - 4

0 = x² - 6x - 4

0 + 13 = x² - 6x - 4 + 13

13 = x² - 6x + 9

13 = (x-3)²

±√13 = x-3

±√13 + 3 = x

√13 + 3 = x

-√13 + 3 = x

7 0
3 years ago
Russell's Bargain Clothing is having a huge sale. All shirts are $4 each and all pants are $18 each. You go to the sale and buy
Sergeeva-Olga [200]
Yeah I just took the job I just brought somebody over here it’s numbers of parts purchased
4 0
3 years ago
I think u guys know what to do !!!
kotykmax [81]

Answer:

B, C

Step-by-step explanation:

7 - x = 18

A.

7 - 2x = 18 - x

126 - 14x = 324 - 18x

We are nowhere near the solution.

B.

-x = 11

x = -11

This works.

C.

7 = x + 18

-11 = x

This works.

D.

25 - x = 36

-25 + x = -36

This does not help.

E.

7 = x + 18

0 = x + 11

We still do not have a solution.

Answer: B, C

4 0
3 years ago
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