2 years ago

Please help 8x -4 - 6x + 9

Mathematics

1 answer:

andre [41]2 years ago

8 0

Your answer should be 2x+5 if you are supposed to simply the expression

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2 years ago

Jina's dance recital started at 4:46 PM. It ended at 6:13 PM. How long did the recital last?

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Jina's recital lasted 2 hours and 7 minutes

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Step-by-step explanation:

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2 years ago

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icang [17]

Answer:

25 mm

Step-by-step explanation:

Set up a proportion where x is the number of millimeters for 160 kilometers

$\frac{5}{32}$ = $\frac{x}{160}$

Cross multiply and solve for x:

32x = 800

x = 25

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2 years ago

Describe how you could represent the fraction 4/10 using a model or number line

zubka84 [21]

Answer:

Not going to give answer, but let you solve

Step-by-step explanation:

You first have to start by drawing a number line and mark two integers between the fraction lines. Then you have to divide the section between the two integers in an equal number of parts which is equal to the denominator.

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1 year ago

Lana draws a triangle( LMN) on the coordinate plane. What is the perimeter of the triangle( LMN)? Round to the nearest unit.

lys-0071 [83]

Answer:

The answer is "25".

Step-by-step explanation:

Please find the graph in the attachment.

$Longest \ side= 12$

Calculating the triangle two other sides:

$=\sqrt{3^2+6^2}\\\\=(9+36)\\\\=45$

let

$\to \sqrt{45}= 6.7.\\\\\to 6.7\times 2=13.4\\\\\to 13.4+12=25.4 \approx 25$

6 0

2 years ago

Please help 8x -4 - 6x + 9 ​

Please help 8x -4 - 6x + 9