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iVinArrow [24]
2 years ago
9

Evaluate the expression for m = 5.Please help meee due soon!!!!

Mathematics
1 answer:
Nookie1986 [14]2 years ago
3 0

Answer:

-12

Step-by-step explanation:

Plug in 5 for m:

\frac{-60}{m} =\frac{-60}{5}

Solve:

\frac{-60}{5}

=-12

The expression is -12

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What is the mean for the set of data?<br> 6, 7, 9, 10, 11, 11<br> A. 11<br> B. 9<br> C. 5<br> D. 9.5
Tasya [4]

Answer:

B: 9

Step-by-step explanation:

8 0
3 years ago
∠A=5x+20
kogti [31]

Answer:

m∠A= 110°

Step-by-step explanation:

∠A+∠B=180°

5x+20+9x-92=180°

14x=180+92-20

14x/14=252/14

x=18

m∠A=5x+20

= 5(18)+20

=90+20

m∠A=110

<u>----------------------</u>

hope it helps...

have a great day!!

7 0
3 years ago
Trail mix cost $5.76 for 8 ounces. What is the cost per ounce ?
Irina-Kira [14]
I believe it is 1.38
5 0
3 years ago
Read 2 more answers
X^2 + bx + 49 is a perfect squad trinomial what is one possible value of b? &amp; I need help with the others also due soon!
Svetlanka [38]

20. (2) 14

A perfect square trinomial will factor into two expressions that are the same, for example: x^2 + 6x + 9 = (x + 3)(x + 3). Since this problem has a C value of 49, it will factor into (x + 7)(x + 7). 7 doubled is 14, therefore one possible value of B is 7.

21. (4) 2, -12

x^2 + 10x + 25 = 24 + 25

(x + 5)^2 = 49

x + 5 = +/- 7

x = 2, -12

22. (3) 3 + sqrt(17)

x^2 - 6x = 8

Complete the Square

x^2 - 6x + 9 = 8 + 9

(x - 3)^2 = 17

x - 3 = +/- sqrt(17)

x = 3 + sqrt(17), 3 - sqrt(17)

23. (1) 1, -5

x^2 + 4x - 5 = 0

x^2 + 4x = 5

x^2 + 4x + 4 = 5 + 4

(x + 2)^2 = 9

x + 2 = +/- 3

x = 1, -5

Hope this helps!

6 0
3 years ago
Use the quadratic formula to solve for x.
ryzh [129]

Answer:

The answer is

x =   \frac{ - 9 -  \sqrt{41} }{10}  \:  \:   \: ,  \:  \:  \:  \:  \:   \frac{ - 9 +  \sqrt{41} }{10}  \\

Step-by-step explanation:

5x² + 9x + 2 = 0

Using the quadratic formula that's

x =  \frac{ - b \pm \sqrt{ {b}^{2}  - 4ac} }{2a}  \\

From the question

a = 5 , b = 9 , c = 2

We have

x =   \frac{ - 9 \pm \sqrt{ {9}^{2} - 4(5)(2) } }{2(5)}  \\  =  \frac{ - 9 \pm \sqrt{81 -40 } }{10}  \\  =  \frac{ - 9 \pm \sqrt{41} }{10}   \:  \:  \:  \:  \:  \:  \:  \:  \:  \:

We have the final answer as

x =   \frac{ - 9 -  \sqrt{41} }{10}  \:  \:   \: ,  \:  \:  \:  \:  \:   \frac{ - 9 +  \sqrt{41} }{10}  \\

Hope this helps you

8 0
3 years ago
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