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Alecsey [184]
3 years ago
6

Please help asap

Mathematics
1 answer:
natima [27]3 years ago
5 0

See the attached picture for the answers.

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Is a reciprocal of an improper fraction sometimes, always, or never a proper fraction? Explain.
Genrish500 [490]
It is always because if you have an improper fraction, the larger number is always the numerator. To get a reciprocal, you flip the fraction so that the denominator is the numerator, and vice versa. If the numerator is always bigger, and you make it the denominator, it would be proper.
8 0
3 years ago
7 mark question. The answers on brainly only got me 3 so please help.
Nady [450]

Answer:

See step by step answer

Step-by-step explanation:

the factors are (x+22)(x-10)=0

so x = -22 and 10, but a dimension cannot be negative, so the answer for x is 10 and then if you plug it back in the dimensions are 4 cm, 11 cm and 21 cm.

When you multiply 4 * 11 * 21 = 924, so you know it's correct.

8 0
3 years ago
What are the answers ?
Anika [276]
If c = 8 and d = -5:

a) c - 3 = 8 - 3
= 5

b) 15 - c = 15 - 8
= 7

c) 3(c + d) = 3(8 + (-5))
= 3*3
= 9

d) 2c - 4d = 2(8) - 4(-5)
= 16 + 20
= 36

e) d - c^2 = -5 - (8)^2
= -5 - 64
= -69

f) 2d^2 + 5d = 2(-5)^2 + 5(-5)
= 50 - 25
= 25
5 0
3 years ago
-3x+4=-17<br>show how you did it
Oxana [17]
-3x+4=-17
subtract -4 from both sides
divide -3 from both sides
the answer is 7
8 0
3 years ago
Emma ran 3 miles in 28 minutes. How long would it take her to run 6 miles​
gayaneshka [121]

Answer:

56 minutes

Step-by-step explanation:

8 0
3 years ago
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