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4 years ago

How to convert miles per hour to meters per second?

Mathematics

1 answer:

Gekata [30.6K]4 years ago

8 0

you can either divide or u can multiply the best answer

would be in that

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Your friend has a bag of 20 marbles. Seven

Elis [28]

Answer:

20%

Step-by-step explanation:

First, I added them up. From the things we know, blue, red, green, yellow combined equals 16 marbles. 20-16 equals 4. So there are 4 white marbles. 4/20 times 5 equals 20/100. So the percent of the marbles that are white is 20%.

6 0

3 years ago

Read 2 more answers

Ram is 9 years older than Hari. Three years ago, he was two times as old as Hari was. Find their present age.

True [87]

Answer:

Ram: 21, Hari: 12

Step-by-step explanation:

To solve the problem, we can use the following notation. We call:

$r$ = Ram's age at present

$h$ = Hari's age at present

We know that:

- Ram is 9 years older than Hari --> mathematically, this can be written as

$r=h+9$

- Three years ago, Ram was two times as old as Hari was --> mathematically, this can be written as

$r-3=2(h-3)$

where (r-3) is Ram's age 3 years ago, while (h-3) is Hari's age 3 years ago

Substituting eq.(1) into eq.(2), we find:

$(h+9)-3=2(h-3)\\h+9-3=2h-6\\h+6=2h-6\\h=12$

So, Hari's age is 12; therefore, Ram's age is

$r=12+9=21$

4 0

4 years ago

Please help.... A rectangle has a length of (x + 4) centimeters and a width of 12x centimeters. If the perimeter is 26 centimete

BigorU [14]

Answer:

The width of rectangle is $W=\frac{108}{13}\ cm$ or $8\frac{4}{13}\ cm$

Step-by-step explanation:

we know that

The perimeter of rectangle is equal to

$P=2(L+W)$

where

L is the length of rectangle

W is the width of rectangle

we have

$P=26/ cm\\L=(x+4)/ cm\\W=12x\ cm$

substitute

$26=2(x+4+12x)$

solve for x

$26=2(13x+4)$

$26=26x+8$

$26x=26-8$

$26x=18$

$x=\frac{18}{26}$

simplify

$x=\frac{9}{13}$

Find the width of rectangle

$W=12x\ cm$

substitute the value of x

$W=12(\frac{9}{13})=\frac{108}{13}\ cm$

Convert to mixed number

$\frac{108}{13}\ cm=\frac{104}{13}+\frac{4}{13}=8\frac{4}{13}\ cm$

8 0

3 years ago

Myra took a picture of the sky one afternoon when two jet airplanes appeared to draw a pair of parallel lines with their vapor t

kakasveta [241]

Options 1, 3 and 5. The true statements based on the fact that c and d are parallel are:

m<3 = m<6 = 98 degrees
m<4 = m<8 = 82degrees
m<5 = m<8 = 82 degrees

<h3>How to solve for the angles </h3>

The sum of the angles m<4 + m<3 = 180

m<4 + 82 = 180

m<4 = 180 - 82= 98

From the question we have the first as alternate interior angles. The second is corresponding angles and the last option is vertical angles.