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salantis [7]
3 years ago
15

Which graph shows the solution to the equation 4x-4=4?

Mathematics
1 answer:
Mama L [17]3 years ago
5 0

Answer:

A

Step-by-step explanation:

y = 4x - 4 is a line with y-intercept -4 and slope 1. Both graphs A and C show that line in blue.

y = 4 is a horizontal line through y = 4. Graph A shows that line.

Answer: A

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Which one is the even number:<br> 116,318,162,230,180,155
Blababa [14]

Answer:

they are all even numbers except for 155

Step-by-step explanation:

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A digital board game has 25 squares with 5 squares of each color. The results of 625 games are shown below. Color Frequency Gree
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Tyler has two savings accounts that his grandparents opened for him. One of accounts pay 7 % annual interest, whereas the other
Dafna11 [192]

Answer:

$400 and $1,000

Step-by-step explanation:

Let us assume the x be the amount invested in 7% account

And, 600 + x be the amount invested in 9% account

Now the equation is

7x% + 9%(600 + x) = $118

0.07x + 54 + 0.09x = $118

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0.16x = $64

x = $400

And, the other one is = $400 + $600 = $1,000

5 0
3 years ago
the average starting salary for this year's graduates at a large university (lu) is $55,000 with a standard deviation of $6,000.
alexira [117]

0.84% of the graduates will receive the tax break

Problems of normally distributed samples can be solved using the z-score formula.

In a set with mean  and standard deviation , the z-score of a measure X is given by:

Z = x - μ / σ

Z-scores are used to measure how far a measure is from the mean. We find the p-value associated with this Z-score by looking at the z-score table after finding the Z-score. The p-value represents the probability that the measure is smaller than X, which is the percentile of X. The probability of the measure being greater than X is calculated by subtracting 1 from the pvalue.

μ = $55,000 σ = $6,000

This is the pvalue of Z when X = $39,600. So

z = 39600 - 55000 / 6000

z = -2.5

z = -2.5 has a o value of 0.0084

0.84% of the graduates will receive the tax break.

To learn more about similar tax break:

brainly.com/question/15563518

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7 0
1 year ago
The number a times 10 to the power of negative 2 is about 8 times greater than b times 10 to the power of negative 3. Find the c
bezimeni [28]

Answer:

c

Step-by-step explanation:


7 0
3 years ago
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