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3 years ago

Anybody help me? please

Mathematics

1 answer:

liq [111]3 years ago

6 0

Answer:

0 because we can't have Repetitious x in function.

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Please help I’ll give you branliest and 30 points. I need the answer tonight

Alinara [238K]

Answer:

Step-by-step explanation:

because for the X axis you have 10 spaces, which is enough to fit 1 week per space (you only need 8). For the Y axis the best option is 150 because again you have 10 spaces and is enough to fit your numbers.

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3 years ago

An educational psychologist wishes to know the mean number of words a third grader can read per minute. She wants to make an est

MrRa [10]

Answer:

85% level of the confidence interval is

(26.337, 26.662)

Step-by-step explanation:

Explanation:-

Given the size of the sample 'n' = 295

Mean of the sample x⁻ = 26.5

The Standard deviation of the Population = 2.7

85% level of the confidence interval is determined by

$(x^{-} - Z_{0.15} \frac{S.D}{\sqrt{n} } , x^{-} + Z_{0.15} \frac{S.D}{\sqrt{n} })$

Critical value Z₀.₁₅ = 1.036

85% level of the confidence interval is determined by

$(x^{-} - Z_{0.15} \frac{S.D}{\sqrt{n} } , x^{-} + Z_{0.15} \frac{S.D}{\sqrt{n} })$

$(26.9 -1.036 \frac{2.7}{\sqrt{295} } , 26.5 + 1.036 \frac{2.7}{\sqrt{295} })$

( 26.5 - 0.1628 , 26.5+0.1628)

(26.3372,26.6628)

7 0

3 years ago

Solve for a = ____. 1. 6 2. 4 3. 9

garik1379 [7]

The answer is 3, or 9

8 0

3 years ago

Given the pre-image ABCD and the image after a dilation, A'B'C'D', what is true about the polygons? Check all that apply.

rodikova [14]

Answer:

A,B,andE

Step-by-step explanation:

Or The length AB is 2, The length A'B' is 3, and The scale factor is Two-Thirds

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3 years ago

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What are the different ways to write multiplication in math

elena-14-01-66 [18.8K]

Answer:

Different ways to write multiplication include:

3 times 5

3x5

(3)(5)

3(5)

(3)5

etc

Step-by-step explanation:

I hope this helps!

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3 years ago

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