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Otrada [13]
3 years ago
7

2x^+7x - 15= 0 If r and s are two solutions of the equation above and r > s which of the following is the value of r-s?

Mathematics
1 answer:
drek231 [11]3 years ago
8 0

Answer:

6.5

Step-by-step explanation:

You failed to include the choices

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One serving of chicken has 148 grams of protein, which is 80% of the recommended daily amount.
valentinak56 [21]

Answer:

x = 185 grams

Step-by-step explanation:

let 100% of the recommended daily amount = x

148 = 80%x

148 = 0.8x

divide by 0.8 both sides

x = 185

6 0
2 years ago
Danielle’s retirement income is $90,000. Assuming it is 70% of his final salary, what was her final salary?
Hitman42 [59]

Answer:

Correct ✅ answer ✅ - Danielle's retirement income is $90000. Assuming it is 70 % of his final salary, what was her final salary $63000 $90000 $128571 $14.

5 0
3 years ago
Attendances at a high school's basketball games were recorded and found to have a sample mean and variance of 470 and 16, respec
yanalaym [24]

Answer:

for the second question u have asked

Step-by-step explanation:

5 0
2 years ago
Thirty-six people in student council are running for the offices of president and vice-president. In how many different ways can
____ [38]
36P2
smaller example:  say 4  people are running for office, A,B,C, and D

first way: A is prez, B is vice
second way: A is prez, C is vice

Let;'smakeit simpler

A, B
A,C
A, D
B, A
B, C
B, D
C, A
... get it?

Now we don't wantto do that with 36 people so we do some math

Let's say we order four people; A, B,C, D

at first we have 4 choices for 1st. Once we pick a 1st, we have 3 to choose from. 4 1stpicks, from that there can be 3 2nd picks, so thetotal so far is 4*3. Once 2nd is picked, there are 2 choices for 3rd; 4*3*2. And only one choice for the lastplace; 4*3*2*1

For 36 people, we have 36 choices for prez, that leaved 35 choices for vice. but here, thank goodness, we are only picking two places; prez and vice. So we can stop there. You shoid be able to figure out what to do based on the example I gave
3 0
3 years ago
What is the slope of the line parallel to the line that passes through -3,1 and 3,7
joja [24]

Answer:

The slope of the line is 1 , because the slope of another line parrallel to it is 1 and we know the when two lines are parralel the slope are equal

5 0
4 years ago
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