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laiz [17]
2 years ago
10

Y=2x+9 y=x+6 using substitution

Mathematics
2 answers:
aivan3 [116]2 years ago
4 0

Answer:

Step-by-step explanation:

43

Lapatulllka [165]2 years ago
3 0
It’s 43 you got this !!!!
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How are circumference and area the same? How are they different?
Sindrei [870]
In geometry, the circumference (from Latin circumferences, meaning "carrying around") of a circle is the (linear) distance around it. That is, the circumference would be the length of the circle The area of a circle is pi (approximately 3.14) times the radius of the circle squared.


3 0
3 years ago
Given that PQRS≅WXYZ, find the corresponding parts.
scoundrel [369]

Answer:

wz is the corresponding part

Step-by-step explanation:

5 0
2 years ago
The distances male long jumpers for State College jump are approximately normal with a mean of 263 inches and a standard deviati
Effectus [21]

Answer:

His jump was of 272.45 inches

Step-by-step explanation:

Problems of normally distributed samples are solved using 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 problem, we have that:

\mu = 263, \sigma = 14

75th percentile

X when Z has a pvalue of 0.75. So X when Z = 0.675

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

0.675 = \frac{X - 263}{14}

X - 263 = 14*0.675

X = 272.45

His jump was of 272.45 inches

7 0
3 years ago
Read 2 more answers
The expression when m=6 and n=4
AlladinOne [14]

Plugging in the values, we get 7(6)-4=42-4=38.

3 0
3 years ago
Read 2 more answers
Timothy bought 10 cookies for $5.00.
sweet-ann [11.9K]
R u serious,
y=1/2x
graph at (0,0), and (10, 5)
clearly
ez.
6 0
3 years ago
Read 2 more answers
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