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finlep [7]
3 years ago
8

Evaluate : -80 - (-15) =

Mathematics
2 answers:
frosja888 [35]3 years ago
6 0

Answer:

-65

Step-by-step explanation:

-80 - -15

Two minuses become plus

= -80+15

Subtract and keep the sign of the higher number

= -(80-15)

= -65

NeX [460]3 years ago
4 0

Answer:

I'm glad you asked!

Step-by-step explanation:

-80-(-15)

= -80-(-15)

= =-80+15

=-65

The answer is - 65.

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What is the value of x in the equation 25x^2=16? A.+ 5/4 B.+4 C.+ 4/5 D.+16/25
4vir4ik [10]

Answer:

x = ± 4/5

Step-by-step explanation:

25 x^2 = 16

Divide each side by 25

25 x^2 /25 = 16 /25

x^2 = 16 /25

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sqrt(x^2) = ±sqrt(16/25)

We know that sqrt(a/b) = sqrt(a)/ sqrt(b)

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x = ± 4/5

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3 years ago
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Hello!

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7 0
3 years ago
WHAT IS 7+2 "I NEED HELP"
Naya [18.7K]

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Step-by-step explanation:

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8 0
3 years ago
Read 2 more answers
16.2 Jumping Rope
slava [35]

Answer:

Percentage of Diego's time is 75%.

Step-by-step explanation:

Given : Jumping Rope  hool held a jump-roping contest. Diego jumped rope for 20 minutes.  A school held a jur  Jada jumped rope  for 15 minutes.

To find : What percentage of Diego's time is that?​

Solution :

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Jada jumped rope for 15 minutes.

Percentage of Diego's time is given by,

\text{Percentage change}=\frac{\text{Jada time}}{\text{Diego time}}\times 100

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Step-by-step explanation:

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