3 years ago

5/4 divide by 10/3 =

Mathematics

2 answers:

antoniya [11.8K]3 years ago

6 0

Answer:

0.375

Step-by-step explanation:

NISA [10]3 years ago

6 0

0.375 I really have no idea for real

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B and D are points of tangency. Find the value of x using the diagram.

svp [43]

Answer:

answer is here check it

Step-by-step explanation:

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3 years ago

7. In triangle ABC, side AB is 2 cm shorter than side

Mamont248 [21]

Answer:

AC = 21, AB = 19, and BC = 22

Step-by-step explanation:

If x is the length of AC, then:

AB = x − 2

BC = x + 1

The perimeter is the sum of all three sides:

62 = x + x − 2 + x + 1

62 = 3x − 1

63 = 3x

x = 21

Therefore:

AC = 21, AB = 19, and BC = 22

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3 years ago

In ABC, a = 13,b=21, and c = 27. Find mA.

coldgirl [10]

Answer:

Step-by-step explanation:

a = 13 ; b = 21 ; c = 27

S = (a + b + c)/2

$= \dfrac{13+21+27}{2}\\\\=\dfrac{61}{2}\\\\= 30.5$

s- a = 30.5 - 13 = 17.5

s - b = 30.5 - 21 = 9.5

s -c = 30.5 - 27 = 3.5

Area = $\sqrt{s(s-a)(s-b)(s-c)}$

$= \sqrt{30.5*17.5*9.5*3.5}\\\\=\sqrt{17747.1875} \\\\=133.21\\\\=133$

$\dfrac{cbSin \ A}{2}=133\\\\\dfrac{27*21*Sin A}{2}=133\\\\Sin \ A = \dfrac{133*2}{27*21}\\\\Sin \ A = 0.4691\\\\A = Sin^{-1} \ 0.4691\\\\\\$

A = 27°

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3 years ago

Andy used 1/6 of a can of paint to cover 1/2 of a wall. how much of the can of paint did Andy use to paint the whole wall.

olasank [31]

1/6 = 1/2 of the wall

2/6 = 2/2 = 1 whole wall

2/6 = 1/3 (transforming it into simplest form)

Therefore, 1/3 of the can of paint can he used to paint the whole wall.

Hope this helps.

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3 years ago

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PLEASE HELP!!!!!!!! I WILL MARK BEAINLIEST

Tatiana [17]

Answer:

7/8

Step-by-step explanation:

1 and 1/8

2 and 2/8

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3 years ago