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gladu [14]
3 years ago
8

Is 4 (3+2) equal to 4 (3 - 2)?​

Mathematics
1 answer:
IceJOKER [234]3 years ago
4 0

Answer:

no, 4(3+2) =5 and 4(3-2) =1

Step-by-step explanation:

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Rewrite formula for t=n(p-c)
kykrilka [37]
N=t/p-c   i think......
4 0
3 years ago
And another MATH question. There more after this one too just to let you know! I suck at math PLEASE HELPPPPPPPPPP
love history [14]

Answer:

11 hours babysitting

7 hours music lesson

Step-by-step explanation:

(11*5) + (7*12) = 139

6 0
3 years ago
A screening test for a disease shows a positive result in 91% of all cases when the disease is actually present and in 7% of all
Jobisdone [24]

Answer:

0.0713 = 7.13% probability that the result is positive.

Step-by-step explanation:

Probability of a positive test:

91% of 1/650(has the disease).

7% of 1 - 1/650 = 649/650(does not have the disease). So

p = 0.91\frac{1}{650} + 0.07\frac{649}{650} = \frac{0.91 + 0.07*649}{650} = 0.0713

0.0713 = 7.13% probability that the result is positive.

4 0
2 years ago
Solve the equation 6x+3y=15for y what does y equal if x=2 if x=5
avanturin [10]
6x+3y=15
6*2+3y=15
12+3y=15
      3y=3
        y=1

6x+3y=15
6*5+3y=15
30+3y=15
      3y=-15
        y=-5

The answers is y=1 & -5

3 0
3 years ago
Which graph shows the solution to the inequality −2(2x+3)≤26?
krok68 [10]

Answer:

x≥−8

Step-by-step explanation:

Step 1: Simplify both sides of the inequality.

−4x−6≤26

Step 2: Add 6 to both sides.

−4x−6+6≤26+6

−4x≤32

Step 3: Divide both sides by -4.

−4x/−4 ≤ 32/−4

x≥−8

5 0
2 years ago
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