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ss7ja [257]
3 years ago
8

Can somebody help me out please?

Mathematics
1 answer:
kondor19780726 [428]3 years ago
7 0

Answer:

all work is shown and pictured

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Which equation is modeled below? 3 long x tiles and 2 negative 1 tiles = 2 long x tiles and 4 square 1 tiles Negative 2 x + 3 =
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The answer is D. 3x+(-2)=2x+4

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Caroline had 10 5/8 pounds of sunflower seeds. She gave some to Joe.
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Answer:

2 5/8

Step-by-step explanation:

10 5/8 - 8

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3 years ago
A, 4x= -28
netineya [11]

Answer:

A. x = -7, B. x = -8, C. x = 9, D. x = 2, E. x = -3

Step-by-step explanation:

A. 4x= -28

Divide both sides by 4.

\frac{4x}{4\\}=\frac{-28}{4}. x= -7

B. x- -6= -2 ->  x+6= -2

Subtraction 6 to both sides.

x- +6-6= -2-6,  x= -8

C. -x+= -9 -> x= 9

D. -3x+7=1

Subtraction 7 to both sides.

-3x+7-7 =1-7 , -3x=-6

Divide both sides by -3.

\frac{-3x}{-3} = \frac{-6}{-3}, x= 2

E. 25x+-11= -86 -> 25x-11= -86

Add 11 to both sides.

25x-11+11= -86+11, 25x= -75

Divide both sides by 25.

\frac{25x}{25} = \frac{-75}{25}, x= -3

2. 2x+9= -15

Subtraction 9 to both sides.

2x+9-9= -15-9,  2x= -24

Divide both sides by 2.

\frac{2x}{2} = \frac{24}{2} ,  x= 12

I don't think there's an answer.

I hope it helps you!

5 0
2 years ago
For an independent-measures research study (i.e., independent measures t Test), the data show an 8-point difference between the
zloy xaker [14]

Answer:

C. 2

Step-by-step explanation:

Cohen's d is a parameter used to express the standardised difference between two means. It is defined as the difference between the means divided by the pooled standard deviation.

In this case, the difference between both means (M2-M1) is 8. As for the pooled standard deviation, simply take the square root of the given pooled variance:

S=\sqrt{S^2}\\S=\sqrt{16} \\S= 4

Therefore, the value of Cohen's d (d) is:

d=\frac{M_{2} -M_{1}}{S} \\d=\frac{8}{4}\\d=2

7 0
3 years ago
Austin needs to memorize words on a vocabulary list for German class he has memorized 22 of the words which is one half of the l
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Answer:

44

Step-by-step explanation:

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