3 years ago

I need help please.

Mathematics

1 answer:

aev [14]3 years ago

7 0

Answer:

76.8 inches

Step-by-step explanation:

we have :

1m= 39.37 inches

1.95m =?

we can write:

(1.95m*39.37 inches)/1m=

76.77 inches = 76.8 inches

so finally we have:

1.95m = 76.8 inches

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olya-2409 [2.1K]

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X-int. is when y is 0
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x=2
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Y-int. is when x is 0
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3 years ago

Jamil found that he reads 1/5 of his 115 - page book in 1/4 of an hour. At this rate how many pages does he read in an hour.

DiKsa [7]

Answer:

Step-by-step explanation:

1/5 of 115= 23

so in 15mins he reads 23 pages.

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3 years ago

1. Can cross multiplication be used to solve this problem? Why or why not?<br><br><br> HELP

garri49 [273]

Answer:

Step-by-step explanation:

Cross multiplication can be used but not in the beginning. First x should be isolated.

$3 +\frac{5}{x}=\frac{7}{x}\\\\$

Now subtract $\frac{5}{x}$ from both sides

$3 = \frac{7}{x}-\frac{5}{x}\\\\3=\frac{7-5}{x}\\\\3=\frac{2}{x}$

In this stage, cross multiplication can be used.

$\frac{3}{1}=\frac{2}{x}\\\\3*x=2*1\\\\x = \frac{2}{3}$

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3 years ago

Read 2 more answers

Susan has a balance of $5,125 on her credit card. If the card has an annual rate of 18.75% how much is the finance charge for th

bogdanovich [222]

The answer is $80.08

you divide 18.75 by 12 and get 1.5625
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3 years ago

If R is inversely proportional to A, and R = 4 when A = 100, what is the value of R when A = 250 A : .625 B : 1.6 C : 10 D : 6,2

Lerok [7]

Answer: (b)

Step-by-step explanation:

Given

R is inversely proportional to A i.e

$R\propto \dfrac{1}{A}\\\\R=\dfrac{C}{A}\quad [\text{C=Constant}]$

when $R=4,\ A=100$

Insert the values to get C

$\Rightarrow 4=\dfrac{C}{100}\\\\\Rightarrow C=400$

When A=250

$\Rightarrow R=\dfrac{400}{250}\\\\\Rightarrow R=1.6$

option (b) is correct

3 0

3 years ago