In the equation x^2 + mx + n = 0, m and n are integers.The only possible value for x is –3. What is the value
of m ?
A. 3
B. –3
C. 6
D. –6
E. 9

Answers

Answer 1
Answer: -3=-(b)/(2a)\n -3=-(m)/(2)\n -6=-m\n m=6

C

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What is 3x - 20 + 40

Answers

3x-20=-40
3x=-40+20
3x=-20
X=-20/3

Calculate the interest earned on a savings account with 660.00 that is invested at 3.5% annual simple interest for 5 years ?a. $23.10
b. $26.40
c. $69.30
d. $115.50

I am not sure of the answer can someone please DO NOT tell me the answer and explain how i would solve this ((: thank you

Answers

660.00 ( 1 + (0.35x5))

Simplify the expression 3x(x – 12x) + 3x2 – 2(x – 2)2. Which statements are true about the process and simplified product?

Answers

Answer:

solve for x

Step-by-step explanation:

use distributed propertie and solve for x

Gianna is paid $90 for 5 hours of work.a. At this rate, how much would Gianna make for 8 hours of work?
b. At this rate, how long would Gianna have to work to make $60?

Use a ratio table to solve.

Answers

A for 8 hours of work its 144$
B a little more than 3 hours for 60$
Hope this helps

a science teacher needs to collect lake water for a lab she is teaching. The lab requires each student to use 4 fluid ounces of lake water. If 68 students are participating, how many pints of lake water will the teacher need to collect

Answers

First you do 68 x 4 = 272. Then, you do 272 divided by 8 because 8 fl. oz. is 1 cup. Your answer is 34 cups. After, you convert 34 cups into 17 pints because there are 2 pints in 1 cup so your answer will be 17 pints. :) Hope it helps.

Plz help i will mark brainiest

Answers

Answer:

its b

Step-by-step explanation:

Rearrange the Pythagorean Theorem to find the missing side. The Pythagorean Theorem is:

c2=a2+b2

where c is the hypotenuse and a and b are the sides.

√(26^2- 24^2) = 10