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Lerok [7]
3 years ago
5

4x + 5 = -15 they want me to put more letters but I need help with the math

Mathematics
1 answer:
Jet001 [13]3 years ago
5 0

Answer:

x=−5

Step-by-step explanation:

<3

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Help ASAP 15 points
zhuklara [117]

Answer:

Step-by-step explanation:

a) Let's x the length of the side of the small square.

Thus,

x^{2}  + (\sqrt{40})^2 = (\sqrt{50})^2

x^{2}  + 40 = 50

x^{2}  = 50 - 40

x^{2}  = 10

x = \sqrt{10}

x=3.16

b) Now, the area of the small square is

A= x^{2}

A=(3.16)^2

A=9.99

3 0
3 years ago
Jada wants to know how fast the water comes out of her faucet. what information would she need to know to be able to determine t
Anna11 [10]

Answer:

Time, and Amount

Step-by-step explanation:

Well she would need to determine a time frame from within the water falling out of the tap, and how much water comes out. then she would need to observe how much water came out in that time frame, and how much time it took.

4 0
4 years ago
Find the original price of a pair of shoes if the sale price is $78 after a 25% discount.
Flauer [41]

78=.75x or $78 is 75% of the original price before the discount 78/.75=x x=104 is the original price proof 104-(.25*104)=78 104-26=78 78=78

5 0
3 years ago
How do you find the square root of pi
const2013 [10]

Answer:

Answer: The value of pi is 3.1459, and the square root of pi is equal to 1.77. It is denoted as √π.

Step-by-step explanation:

8 0
2 years ago
A tree casts a shadow 60 feet long. At the same time, a nearby 8-foot post casts a 12- foot shadow. How tall is the tree?
Alborosie

9514 1404 393

Answer:

  40 ft

Step-by-step explanation:

The post is 8/12 = 2/3 as tall as the shadow is long. We expect the same relationship holds for the tree.

  tree height = (2/3)(shadow length) = (2/3)(60 ft) = 40 ft

The tree is 40 feet tall.

3 0
3 years ago
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