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Sidana [21]
3 years ago
7

Consider this system of equations.

Mathematics
1 answer:
Brilliant_brown [7]3 years ago
8 0
1. y=8.9

SOLUTION
y=11 - 2.1
=8.9

2. 2x - 5y - 8 = 0

HOPE THIS HELPS :))
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Which choice should i pick<br> A.0.27<br><br> B.0.25<br><br> C.0.07<br><br> D.0.33
Vladimir79 [104]

Answer:

B.0.25

Step-by-step explanation:

7 0
3 years ago
To convert dog years to human year, count 21 human years for the first two dog years and then 4 human years per dog year for eac
Butoxors [25]
(y-2)4 + 21
You subtract two because the 21 accounts for it and then whatever you have left multiplied by 4 and added to 21 is the amount of years after conversion.







*************************************************
4 0
3 years ago
Read 2 more answers
1. Graph the function . Draw a chart to show at least four ordered pairs that are on the graph.
erastova [34]
Simple...

you have: y= \frac{2}{x}

Graph is attached. 

Some ordered on this line are-->>

Using     x         y


(-4,-0.5)

(-3,-0.667)

(-2,-1)

(1,2)

(3,0.667)

(4,0.5)

Thus, your answer.

5 0
3 years ago
Read 2 more answers
The weight of football players is normally distributed with a mean of 200 pounds and a standard deviation of 25 pounds,What perc
soldier1979 [14.2K]

Answer:

57.62% of players weigh between 180 and 220 pounds

Step-by-step explanation:

When the distribution is normal, we use the z-score formula.

In a set with mean \mu and standard deviation \sigma, the zscore of a measure X is given by:

Z = \frac{X - \mu}{\sigma}

The Z-score measures how many standard deviations the measure is from the mean. After finding the Z-score, we look at the z-score table and find the p-value associated with this z-score. This p-value is the probability that the value of the measure is smaller than X, that is, the percentile of X. Subtracting 1 by the pvalue, we get the probability that the value of the measure is greater than X.

In this question, we have that:

\mu = 200, \sigma = 25

What percent of players weigh between 180 and 220 pounds

We have to find the pvalue of Z when X = 220 subtracted by the pvalue of Z when X = 180.

X = 220

Z = \frac{X - \mu}{\sigma}

Z = \frac{220 - 200}{25}

Z = 0.8

Z = 0.8 has a pvalue of 0.7881

X = 180

Z = \frac{X - \mu}{\sigma}

Z = \frac{180 - 200}{25}

Z = -0.8

Z = -0.8 has a pvalue of 0.2119

0.7881 - 0.2119 = 0.5762

57.62% of players weigh between 180 and 220 pounds

4 0
3 years ago
-20+8 on a number line model
Butoxors [25]

Answer: read my explaining

Step-by-step explanation:

just go from negative to positive 8 times and then mark it on the line

6 0
3 years ago
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