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3 years ago

What number is 11/5 of 20?

Mathematics

1 answer:

Anna007 [38]3 years ago

3 0

Answer:

Step-by-step explanation:

11/5 of 20 is the same as 11/5 times 20. You can cancel out the fives to get 11 times 4 or 44

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A model car is 5 inches long. The actual length of the car is 15 feet . What is the scale factor of the model car?

Elodia [21]

Answer:

1 : 36

Step-by-step explanation:

To obtain the scale factor, the dimensions must be in the same units.

Using the conversion

1 foot = 12 inches, then

15 feet = 15 × 12 = 180 inches, thus

scale factor = 5 : 180 ← divide both parts by 5

scale factor = 1 : 36

7 0

3 years ago

Read 2 more answers

A right triangle has side lengths 7, 24, and 25 as shown below.

elixir [45]

Answer:

SinL = 7/25

CosL = 24/25

TanL = 7/24

Step-by-step explanation:

Find the diagram attached.

Using SOH CAH TOA in trigonometry identity to find the sinL, cosL and TanL

Note that the hypotenuse is the longest side = 25

The opposite will be the side facing the acute angle L

Opposite = 7

Adjacent = 24

For SinL

sinL = Opposite/Hypotenuse {SOH}

SinL = 7/25

For cosL:

CosL = Adjacent/Hypotenuse{CAH}

CosL = 24/25

For tanL:

TanL = Opposite/Adjacent {TOA}

TanL = 7/24

7 0

3 years ago

How would I solve 11/15 + 3/10 with work please?!

AnnyKZ [126]

First you need to find a common denominator. 11/15 = 22/30

3/10= 9/30

9/30+22/30= 1 1/30

Hope this helps!

7 0

4 years ago

Read 2 more answers

small town whose population was 18,395 ten years ago, has lost 270 inhabitants each year since then. what is the present populat

sergiy2304 [10]

Answer:

15965

Step-by-step explanation:

a=18395

d= -270 (lost inhabitants every year)

n=10

tn=?

We know that,

tn= a+(n-1)×d

=18395+(10-1)×(-270)

=18395+9×(-270)

= 18395 -2430

=15965

Hence,the present population of small town is 15965.

4 0

3 years ago

What is the answer? 2(n + 5) = -2

Tems11 [23]

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$2(n + 5) = - 2$

Divide sides by 2

$\frac{2(n + 5)}{2} = - \frac{2}{2} \\$

$n + 5 = - 1$

Subtract sides 5

$n + 5 - 5 = - 1 - 5$

$n = - 6$

Done...

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8 0

3 years ago