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hoa [83]
3 years ago
14

Which expressions are equivalent to the expression 7(5 + m) – 8? Check all that apply.

Mathematics
2 answers:
IRINA_888 [86]3 years ago
5 0

Answer:

there are no expressions in the question, so I can't help you. Can you post the expressions?

Sunny_sXe [5.5K]3 years ago
5 0

Answer:7m+27 and 35+7m-8

Step-by-step explanation:

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emmasim [6.3K]
For A put 160 (division sign} 4. 
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5 0
3 years ago
The perimeter of XYZ is ___ units.
In-s [12.5K]

Look at the picture.

ZY = 5+3=8

For XY and ZX use the Pythagorean theorem.

XY^2=3^2+4^2\\\\XY^2=9+16\\\\XY^2=25\to XY=\sqrt{25}\\\\XY=5

ZX^2=5^2+4^2\\\\ZX^2=25+16\\\\ZX^2=41\to ZX=\sqrt{41}

The perimetero fo XYZ:

P_{\triangle XYZ}=8+5+\sqrt{41}=\boxed{13+\sqrt{41}}

7 0
3 years ago
1. Review the lesson above and use the guided notes to help you understand.
Nezavi [6.7K]
I have completed the 1st one and have attached it.
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3 0
4 years ago
Decide which chi-square test (goodness-of fit, homogeneity, or independence) would be most appropriate for the given situation.
sasho [114]

Answer:

C. Test for Goodness-of-fit.

Step-by-step explanation:

C. Test for Goodness-of-fit would be most appropriate for the given situation.

A. Test Of  Homogeneity.

The value of q is large when the sample variances differ greatly and is zero when all variances are zero . Sample variances do not differ greatly in the given question.

B. Test for Independence.

The chi square  is used to test the hypothesis about the independence of two variables each of which is classified into number of attributes. They are not classified into attributes.

C. Test for Goodness-of-fit.

The chi square test is applicable when the cell probabilities depend upon unknown parameters provided that the unknown parameters are replaced with  their estimates and provided that one degree of freedom is deducted for each parameter estimated.

4 0
3 years ago
Pls!! I’m stuck on this question
Elena L [17]

Answer: 4x4=16, 6x6x6x6=1296, 1296+16=1312

the answer is 1312

Step-by-step explanation: find the area. 4x4, 6x6x6x6, the 3 is only there to throw you off you dont do anything with the 3

i think thats right

4 0
3 years ago
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