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3 years ago

Algebra 1 question, Please help. Picture attached below ^^

Mathematics

2 answers:

yarga [219]3 years ago

4 0

Answer:

Step-by-step explanation:

olga2289 [7]3 years ago

3 0

The Answer is a sjskjssnjskdkdjbd

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A researcher asks participants to estimate the calories they consume in a meal. The researcher records the following estimates:

aleksley [76]

Answer:

Increase

Step-by-step explanation:

The researcher records the following estimates: 450, 426, 310, 500, and 220.

The mean of these estimates is derived below.

Mean = (450+426+310+500+220)/5

=1906/5=381.2

If the researcher removes the estimate of 220.

The mean of the other numbers will be:

Mean =(450+426+310+500)/4

=1686/4=421.5

By comparison of the two mean, we can see that the value of the mean will increase.

3 0

3 years ago

NO FILES!!!

ryzh [129]

A the answer is A....

7 0

2 years ago

Which inequality statement describes the two numbers on a number line?

ikadub [295]

Answer:

The answer is: D

Step-by-step explanation:

6 0

3 years ago

Solve: 4(2x - 1) - 3 = 9(x - 4)<br><br> -29<br><br> 32<br><br> 13<br><br> 29

kari74 [83]

4(2x - 1) = 9(x - 4)
8x - 4 = 9x - 36
x = 32

i am a mathematics teacher. if anything to ask please pm me

5 0

3 years ago

(7x^3y^2)(4x^3y^2)<br><br><br>^=exponents<br>solve in scientific Notation

Hitman42 [59]

<h3>Answer:</h3>

(2.8×10¹)x⁶y⁴

<h3>Step-by-step explanation:</h3>

Multiplication can be done in the usual way, then the number converted to scientific notation. Scientific notation does not apply to the variables.

$(7x^3y^2)(4x^3y^2)=(7\cdot 4)x^{3+3}y^{2+2}=28x^6y^4\\\\=2.8\cdot 10^1x^6y^4$

_____

If you write the numbers in scientific notation to start, then do the multiplication, the effect is virtually the same: an adjustment is needed in the product to get it back to scientific notation.

(7)(4) = (7×10⁰)(4×10⁰) = 7·4×10⁰⁺⁰ = 28×10⁰ = 2.8×10¹

3 0

3 years ago