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Papessa [141]
3 years ago
15

Find the length of side AC. A) 5/3 B) 5/2 102 D) 52 2 S.

Mathematics
1 answer:
scoray [572]3 years ago
3 0

Answer:

  • D. 5√2/2

Step-by-step explanation:

Given triangle is right isosceles since one of the angles is 45°

Let the AC = x, then BC = x and AB is:

  • x² + x² = 5²
  • 2x²=5²
  • x²= 5²/2
  • x = 5/√2
  • x = 5√2/2

Correct option is D

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A man spent 58% of his income and the amount of money left was $210. Find his income​
professor190 [17]

Answer:

500 $

Step-by-step explanation:

\frac{42\%}{210}=\frac{100\%}{x}

\frac{\frac{21}{50}}{210}=\frac{1}{x}

\frac{21}{50}x=210\\

\frac{21}{50}x\cdot \:50=210\cdot \:50\\

x=500

<3

Red

6 0
3 years ago
The points (3, 12) and (2,8) form a proporitonal relationship. What is the slope of the line that passes through
Arte-miy333 [17]

Answer:

y=4x

Step-by-step explanation:

8 0
3 years ago
During a sale, every item in a store is 80% of its regular price. If the regular price of a T-shirt is $10, what is its sale pri
kipiarov [429]

Answer:

Step-by-step explanation:

If the regular price of a T-shirt is 10 USD and the store sells off its wares at 80% of its regular price, then the price at which the store would still the aforementioned T-shirt would be 80% of its 10 USD price.

80% of $10 =

0.8 * 10 = $8

This means that the price at which the T-shirt will go for, due to the ongoing sales will be $8.

Also, being asked to find the 10% and 20% of $10 is just as simple

10% of $10 =

0.1 * 10 = $1

20% of $10 =

0.2 * 10 = $2

Therefore, the 10% and 20% of $10 is $1 and $2 respectively.

3 0
3 years ago
Will possibly give Brainliest and a high rating.
Misha Larkins [42]
The answer to the question is 4x - y ≥ 4
4 0
4 years ago
Question 2
s344n2d4d5 [400]

The work is simply the dot product of the force and displacement (which I assume are given in Newtons and meters, respectively):

<em>W</em> = <em>F</em> • <em>d</em>

<em>W</em> = (5i + 3j - 2k) N • ((4i<em> - </em>j + 3k) m - (j + k) m)

<em>W</em> = (5i + 3j - 2k) • (4i - 2j + 2k) Nm

<em>W</em> = (20 - 6 - 4) Nm

<em>W</em> = 10 J

7 0
3 years ago
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