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Andrews [41]
3 years ago
14

PLEASE HELP!!! WORTH 15 POINTSSS!!

Mathematics
2 answers:
Margaret [11]3 years ago
4 0
If any of u are good at math can u pls text me ;))))))
poizon [28]3 years ago
3 0

Answer:

1. He messed up 30, 30 is supposed to be the y-intercept and 10 the slope.

2. the slope -1/2 is supposed to be positive

3. The slope is supposed to be -x and the y-intercept +2

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Factor the polynomial. x3 - 4x2 - 6x + 24
ladessa [460]
If the 4x2 is actually 4x^2 then the answer is 

-(4x+3x-24)
4 0
3 years ago
Read 2 more answers
A​ half-century ago, the mean height of women in a particular country in their 20s was inches. Assume that the heights of​ today
nadya68 [22]

Answer:

0.26684

Step-by-step explanation:

Given that :

Mean, μ = 62.5

Standard deviation, σ = 1.96

P(Z ≥ 63.72)

The Zscore = (x - μ) / σ

P(Z ≥ (x - μ) / σ)

P(Z ≥ (63.72 - 62.5) / 1. 96) = P(Z ≥ 0.6224)

P(Z ≥ 0.6224) = 1 - P(Z < 0.6224)

1 - P(Z < 0.6224) = 1 - 0.73316 = 0.26684

4 0
3 years ago
How do you solve 2r^2+2r-24=0 using the quadratic formula ?
kramer
2r2+2r−24=0

Step 1: Factor left side of equation.

2(r−3)(r+4)=0

Step 2: Set factors equal to 0.

r−3=0 or r+4=0

r = 3 or r = −4

7 0
3 years ago
a souvenir mug sells for $8.00 at a hotel gift store. Kendra gives the clerk $10.00 and receives $1.56 in change. what is the sa
Zinaida [17]
I feel that it is 5.5%/ 0.055

Process:

8.00*5.5%/ 0.055=0.44
8.00+0.44=8.44
10.00-8.44=1.56
3 0
4 years ago
What is the negative sqare root of 9/4
ratelena [41]
Square root of 9 is 3
Square root of 4 is 2
so 3/2
Make it negative and you got -3/2 for your answer.
6 0
3 years ago
Read 2 more answers
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