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2 years ago

1) if side C of a right triangle is 12 and side B of a right triangle is 8 what does side A equal

Mathematics

1 answer:

GarryVolchara [31]2 years ago

3 0

The answer is 4 square root 5 or -4 square root 5

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Please Help I Have No Idea What They Talking Bout

Black_prince [1.1K]

Macroeconomics focuses on C) government level.
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3 years ago

£440 is divided between David, Mark & Henry so that David gets twice as much as Mark, and Mark gets three times as much as H

Lesechka [4]

Mark received £ 132

Solution:

Given that £440 is divided between David, Mark & Henry

Let "d" be the share of david

Let "m" be the share of mark

Let "h" be the share of henry

Total amount is 440

Therefore,

share of david + share of mark + share of henry = 440

d + m + h = 440 ------- eqn 1

David gets twice as much as Mark

d = 2m ----- eqn 2

Mark gets three times as much as Henry

m = 3h

$h = \frac{m}{3}$ ------ eqn 3

Substitute eqn 2 and eqn 3 in eqn 1

$2m + m + \frac{m}{3} = 440\\\\\frac{6m + 3m + m}{3} = 440\\\\10m = 1320\\\\m = 132$

Thus Mark received £ 132

8 0

3 years ago

. (a + b)2 – (2a – b)

inn [45]

Answer:

(-b) is the answer.

Step-by-step explanation:

2(a-b)-(2a-b)

=2a-2b-2a+b (opening the brackets)

= -b

Hope this helps you buddy. Have a nice day^_^.

If you have doubt then you can ask in comments. I will surely answer.

3 0

2 years ago

Read 2 more answers

The circumference of a circle is C centimeters. The diameter of the circle is 12 centimeters. Which expression best represents t

Feliz [49]

It’s D because 12/2=6
i think thats right

7 0

2 years ago

Read 2 more answers

Use a standard normal table to find the positive critical value that corresponds to a right tail area of 0.0250.025, rounding t

IRINA_888 [86]

Let the require value be x, then

P(z > x) = 0.025
1 - P(z < x) = 0.025
P(z < x) = 1 - 0.025 = 0.975
P(z < x) = P(z < 1.96)
x = 1.96

Therefore, the positive critical value that corresponds to a right tail area of 0.025 is 1.96

4 0

3 years ago

1) if side C of a right triangle is 12 and side B of a right triangle is 8 what does side A equal​

1) if side C of a right triangle is 12 and side B of a right triangle is 8 what does side A equal