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blsea [12.9K]
3 years ago
12

-3÷(-2/5) simplify the expression

Mathematics
1 answer:
Vika [28.1K]3 years ago
8 0

Answer:

7.5 is the answer you are looking for

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3. What is the slope of the line that contains the
dlinn [17]

Answer:

I think the answer would be -1/2 or D.

Step-by-step explanation:

Use this formula for calculating slope : y2-y1 / x2 - x1                                                            

1. label the pairs, 1 and 2

(-6, 1)  - ( x1, y1 )          or        (4,-4) - (x1, y1)

(4,-4) - ( x2, y2)                      (-6,1) - (x2, y2)  

(the order does not matter)

2. Than plug in your numbers

y2-y1 / x2 -x1                 y2-y1 / x2 -x1

-4 - 1 / 4 - (-6)        or        1 - (-4) / -6 - 4

= -5/10 or -1/2               = - 5/-10 or -1/2

im only in eight grade so i did my best explaining , and this hope it helps :)

7 0
3 years ago
Can someone help me number 4 only thanks :)
Elanso [62]
22 boxes still need to be given out
6 0
2 years ago
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Meagan needs to paint the outside of a box
Arlecino [84]

Surface area of cubic= 2( lb+bh+hl)

Length= 18 cm

Width= 5 cm

Height= 2cm

s.a = 2(18 \times 5 + 5 \times 2 + 2 \times 18) \\  = 272 \: cm {}^{2}

4 0
3 years ago
Two points A and B whose heights differ by 10 metres are shown 1.2 cm apart horizontally on a map whose scale is 1: 10 000. a) W
PSYCHO15rus [73]

Answer:

120 meters

Step-by-step explanation:

1.2  x 10 000 = 12000 cm   = 120 meters  

6 0
2 years ago
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Helppppppppppppppppppppppp
DiKsa [7]

Answer:

gotta be  answer A

Step-by-step explanation:

you can search up f(x) = square root of x

7 0
3 years ago
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