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yulyashka [42]
3 years ago
11

Please help me asap!!!!!!!!!!

Mathematics
1 answer:
Neko [114]3 years ago
6 0

Answer:

True

Step-by-step explanation:

In the Pythagorean Theory, a^2 and b^2 both represent two legs of a right triangle while c^2 represents the hypotenuse.

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Marsha’s scores on seven tests were: 82, 78, 77, 93, 85, 91, and 86. What does she need to score on her next test to have an 86
Naddika [18.5K]

Answer:

The score of her next test  is 96

Step-by-step explanation:

<em>If there is a set of data with x terms, then the average is the sum of their values divided by x</em>

<em>Average = sum of values of the x terms ÷ x</em>

We will use this rule to solve the question

∵ Marsha's scores on 7 test were 82, 78, 77, 93, 85, 91, 86

→ Find her total scores on the seven tests

∴ Her total scores = 82 + 78 + 77 + 93 + 85 + 91 + 86 = 592

∴ Her total scores on the 7 tests is 592

∵ Her average score on the 8 test is 86

→ Use the rule of the average to find her total score in the 8 test

∵ 86 = total scores ÷ 8

→ Multiply both sides by 8

∴ 86 × 8 = total scores × 8 ÷ 8

∴ 688 = total scores

∴ Her total scores on the 8 tests is 688

∵ Her total scores on the 7 test = 592

∵ Her total scores on the 8 test = 688

→ The difference between both totals is the score of her next test

∴ The score of her next test = 688 - 592 = 96

∴ The score of her next test  is 96

8 0
3 years ago
Awnser fast to get prize <br> solve <br> -6+9.8x=33 1/5
vagabundo [1.1K]
-6+9.8x=33 1/5
9.8x=39 1/5
x=4
5 0
3 years ago
PLEASE HELP !! ILL GIVE BRAINLIEST *EXTRA POINTS*.. <br> IM GIVING 40 POINTS !! DONT SKIP :((.
Tomtit [17]
M = 44
b = 48
Equation: y = 44x + 48

Proportional
Positive slope
5 0
3 years ago
A carpet measures 7 meters 3 decimeters in length and 4 meters 2 decimeters in width. What is its area in square meters?
Varvara68 [4.7K]

Answer:

C

Step-by-step explanation:

change decimetres into metres

length - 7.3m

Width - 4.2m

to find an area, do length times width

7.3 x 4.2 = 30.66 square metres

I hope this helped :)

8 0
3 years ago
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AJ purchased a new TV for $1200. The regular price of the TV was $1500.what percent did AJ save buying it on sale ?
svet-max [94.6K]

A. 20%


Work: 1500 x .20 = 300

1500 - 300 = 1200


Hope this helps!

4 0
3 years ago
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