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SSSSS [86.1K]
3 years ago
11

Answerrrrrrrr nowwww

Mathematics
2 answers:
Gre4nikov [31]3 years ago
6 0

Answer:

a is equal to 22 because 11 times 2 is 22

Veronika [31]3 years ago
6 0

Answer:

A is 22

Step-by-step explanation:

1/2 = 0.5

0.5×22=11

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Is 5(b+3) equivalent to 3(b+5)?​
Viktor [21]

Answer:

No, because using the distributive property, you would get 5b+15  and 3b+15. The number of b you have is different.

5 0
3 years ago
Read 2 more answers
X to the 2nd power minus 6 equals 1
alexandr402 [8]

Answer:

2.646

Step-by-step explanation:

You have to 6 to the 1 and then take the square root of the number which is seven leaving you with 2.646

3 0
2 years ago
Read 2 more answers
Scores on a dental anxiety scale range from 0​ (no anxiety) to 20​ (extreme anxiety). The scores are normally distributed with a
solniwko [45]

Answer:

z_{score} = \displaystyle\frac{x-\mu}{\sigma}

Step-by-step explanation:

The following information is missing in the question:

We have to find z-score for the given score on this dental anxiety scale: 12, 6

We are given the following information in the question:

Mean, μ = 11

Standard Deviation, σ = 4

We are given that the distribution of score is a bell shaped distribution that is a normal distribution.

Formula:

z_{score} = \displaystyle\frac{x-\mu}{\sigma}

where x is the given score on this dental anxiety scale.

For x = 12

z_{score} = \displaystyle\frac{12-11}{4} = 0.25

For x = 6

z_{score} = \displaystyle\frac{6-11}{4} = -1.25

6 0
3 years ago
Could someone please help me with these systems. I have to use substitution.
FromTheMoon [43]
Isolate one term (x or y) in one of the equations

6x+6y=0
6x=-6y
X= -1y

Substitute x=-y into the other equation

-7(-y) + 2y =18

7y + 2y =18

9y=18

Y=2

Substitute y=2 into 6x+6y=0

6x + 6(2) = 0

6x + 12=0

6x= -12

X = -2
8 0
3 years ago
PLS HELP ILL GIVE BRAINLIEST
prohojiy [21]

Answer:

-40% change

Step-by-step explanation:

  1. This change is a decrease, so first you need to find the difference between the two numbers--> 125 - 75 = 50
  2. Next, you divide by the original number, so 50 ÷ 125 = 0.4
  3. Finally, you multiply your answer by 100, so 0.4 x 100 = 40%. Because this is a decreasing change, you add a negative sign.
4 0
2 years ago
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