2 years ago

I've searched everywhere and still don't have the answer!

Mathematics

1 answer:

Arisa [49]2 years ago

6 0

Answer:

is a function and begins with y

Step-by-step explanation:

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What is y-3x=19 in slope intercept form

aleksley [76]

Y=3x+19 You add 3x to each side. Because your trying to get y by its self like y=mx+b.

4 0

3 years ago

One sample has Aa Aa One sample has n 10 scores and a variance of s2 20, and a second sample has n 15 scores and a variance of s

siniylev [52]

Answer:

option (a) It will be closer to 30 than to 20

Step-by-step explanation:

Data provided in the question:

For sample 1:

n₁ = 10

variance, s₁² = 20

For sample 2:

n₂ = 15

variance, s₂² = 30

Now,

The pooled variance is calculated using the formula,

$S^{2}_{p} = \frac{(n_{1}-1)\times s^{2}_{1} +(n_{2}-1)\times s^{2}_{2}}{n_{1}+n_{2}-2}$

on substituting the given respective values, we get

$S^{2}_{p} = \frac{(10-1)\times 20 +(15-1)\times 30}{10+15-2}$

$S^{2}_{p}$ = 26.0869

Hence,

the pooled variance will be closer to 30 than to 20

Therefore,

The correct answer is option (a) It will be closer to 30 than to 20

4 0

3 years ago

Kyra went to the grocery store on Monday and bought 5 apples and 2 oranges for a total of $3.45. On Thursday she bought 3 orange

Afina-wow [57]

Answer:

5(x)+2(y)=3.45

7(x)+3(y)=4.90

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3 years ago

There are 7 rows of chairs and each row has 12 chairs in them; how many chairs are there altogether?

anyanavicka [17]

Answer:

184

Step-by-step explanation:

Just multiply 12 by 7

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2 years ago

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Use the distributive property to exspand the algebraic expression 9(a - 3b)

Gwar [14]

9a-27b you must multiply 9 to everything

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3 years ago

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