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3 years ago

Find the lengths of all three sides of the triangle

Mathematics

1 answer:

Vikentia [17]3 years ago

6 0

Answer:

GH = 49

GJ = 35

HJ = 35

Step-by-step explanation:

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Find the surface area and the volume of the figure Round to the nearest tenth if needed.

elixir [45]

Answer:

See below

Step-by-step explanation:

Surface area:

S = 2(lw + lh + wh) + 2πrh
S = 2(9*4 + 9*5 + 4*5) + 2*3.14*2*3 = 239.7 cm² (rounded)

Volume:

V = lwh + πr²h
V = 9*4*5 + 3.14*2²*3 = 217.7 cm³ (rounded)

4 0

3 years ago

Read 2 more answers

Is -7/9 rational or irrational?

RideAnS [48]

Answer:

It is a rational.

Step-by-step explanation:

Rational is any number that can be written in a form of fraction.

8 0

3 years ago

Read 2 more answers

PLEASE HELP ME PLEASE!!!!!!!!

tester [92]

Answer:

length measure of Pillow = 1.4 m

Step-by-step explanation:

Volume of Wedge = (area of base triangle) * length

Volume of Wedge = (1/2) * base * height * Length

base = 1 m

height = 0.5 m

Length = L m

Volume = 0.35 m³

=> (1/2) * 1 * 0.5 * L = 0.35

=> (0.5/2)L = 0.35

=> (0.5/2)L * 2 = 0.35 * 2

=> 0.5L * 2 = 0.7

=> 0.5L / 0.5 = 0.7 / 0.5

=> L = 1.4

Learn more about Volume here: https://brainly.in/question/13396657

5 0

2 years ago

The ratio of boys to girls in a class is 4 : 5

Fofino [41]

Answer: 4/9 of the class are boys and 5/9 of the class are girls.

Step-by-step explanation:

There are 9 nine students in total in the class since 4 + 5 = 9.
Input the amount of boys and girls there are in the class in the numerator and have 9 as the denominator. 4/9 of the class are boys and 5/9 of the class are girls.

7 0

3 years ago

Read 2 more answers

How do you do this. Please give a full answer and explain why.

OverLord2011 [107]

Law of Exponent

$\displaystyle \large{ {a}^{ - n} = \frac{1}{ {a}^{n} } }$

Compare the terms.

$\displaystyle \large{ {a}^{ - n} = {( - 2)}^{ - 3} }$

Therefore, a = -2 and n = 3. From the law of exponent above, we receive:

$\displaystyle \large{ {( - 2)}^{ - 3} = \frac{1}{ {( - 2)}^{ 3} } }$

Exponent Def. (For cubic)

$\displaystyle \large{ {a}^{3} = a \times a \times a }$

Factor (-2)^3 out.

$\displaystyle \large{ {( - 2)}^{ - 3} = \frac{1}{( - 2) \times ( - 2) \times ( - 2)}}$

(-2) • (-2) = 4 | Negative × Negative = Positive.

$\displaystyle \large{ {( - 2)}^{ - 3} = \frac{1}{4 \times ( - 2)}}$

4 • (-2) = -8 | Negative Multiply Positive = Negative.

$\displaystyle \large{ {( - 2)}^{ - 3} = \frac{1}{ - 8}}$

If either denominator or numerator is in negative, it is the best to write in the middle or between numerator and denominators.

Hence,

$\displaystyle \large \boxed{ {( - 2)}^{ - 3} = - \frac{1}{ 8}}$

The answer is - 1 / 8

3 0

3 years ago