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Andreyy89
2 years ago
10

20. True or False When you multiply or divide by a negative number, you flip the sign

Mathematics
1 answer:
ki77a [65]2 years ago
3 0

Answer:

That is true

You must flip the sign when you are multiplying or dividing by a negative number

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the size of a rectangular computer screen is determined by the length of its diagonal. tom buys a 52cm screen that is 33 cm high
marta [7]

Answer:

40.20cm approx

Step-by-step explanation:

Step one

given data

We are told that the dimension of a computer screen

diagonal= 52 cm

height= 33cm

Length = ?

Required

The length of the base of the screen

Step two

Let us use Pythagoras theorem to find the length of the base

Hyp^2= Opp^2+ Adj^2

52^2= 33^2+ L^2

2704= 1089+L^2

L^2= 2704-1089

L^2= 1615

L=√1615

L= 40.20cm approx

<u>The length is 40.20cm approx.</u>

3 0
3 years ago
Four friends agree to save money for a graduation road trip. They decide that
Mkey [24]

Answer:

There will 7.75 by the end of may.

Step-by-step explanation:

All you have to do is multiply .25 to 31

Hoped this Helped

sorry if not

6 0
4 years ago
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My question is Multpiy (5 4/7)(-2 2/5) (idk what rational numbers are)
Nuetrik [128]

Answer:

Step-by-step explanation:

(39/7)(-12/5) = -468/35 = -13.37

4 0
3 years ago
Carlos has saved $19.80. Shaq saved 5/6 of the amount that Carlos saved. Deontae saved 4 times as much as shaq. What is the tota
storchak [24]
102.30this is your answer to your question
8 0
3 years ago
Find the slope of the line that passes through (2, 5) and (6,4).
ElenaW [278]

Answer:

The slope of the line is \frac{1}{-4}.

Step-by-step explanation:

We use the formula change in y over change in x to find the slope:

\frac{5-4}{2-6}

Then we simplify:

\frac{1}{-4}

The slope of the line is \frac{1}{-4}.

7 0
3 years ago
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