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quester [9]
3 years ago
9

10/√149 PLZ HELP IVE BEEN STUCK ON THIS PROBLEM FOR AGES

Mathematics
1 answer:
sesenic [268]3 years ago
5 0

Answer:

≈0.819232 or \frac{10\sqrt{149} }{149}

Step-by-step explanation:

\frac{10}{\sqrt{149}} times \frac{\sqrt{149} }{\sqrt{149} }

\frac{10\sqrt{149} }{149}

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The average grade of an English class rose fro 70 to 85, what is the approximate percent increase?
hodyreva [135]

Answer:

Step-by-step explanation:

85 - 70 = 15

15/70 = 0.21428571428

Round to .21

Move decimal over twice to the right

21%

5 0
3 years ago
In △PQR, find the measure of ∡P.
prisoha [69]
57.6² = 33.8² + QR²
QR² = 2.175,32
QR = 46.64

57.6/sen90º = 46.64/sen(P)
sen(P) = 46.64*sen90º/57.6
sen(P) = 0.809
angle P is sen^-1 = 54.06º ≈ 54.1º

8 0
3 years ago
Read 2 more answers
I need the steps and answers please
vova2212 [387]

Answer:

y = 26 - 3x

Step-by-step explanation:

3x + y = 26

3x + y - 3x = 26 - 3x

y = 26 - 3x

x € R

7 0
3 years ago
The number part when a number and a variable are multiplied together in a term is called the _____.
77julia77 [94]

Answer:

Coefficient

Step-by-step explanation:

-Usually a combination of variables and constants are multiplied to get a product.

-The constant or number part in the multiplication process is called the Coefficient

7 0
3 years ago
David wants to hang a mirror in his room. The mirror and frame must have an area of 8 square feet. The mirror is 2 feet wide and
Agata [3.3K]
The correct quadratic equation;
x2+7x-2=0

Working
Assuming the frame has a uniform thickness;
Then length of mirror and frame is 3+x and width 2+x

The area of mirror and frame area;
A=L*W
8=(3+x)(2+x)
8=(6+5x+x2)
Taking 8 to the Right hand side, we have:
x2+5x-2 =0 
4 0
3 years ago
Read 2 more answers
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