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harkovskaia [24]
3 years ago
5

8.4 divided by unknown gives you 2.8 what is the unknown

Mathematics
1 answer:
Anna007 [38]3 years ago
6 0

Answer:

3

Step-by-step explanation:

8.4 ÷ 3 = 2.8

(Hopefully this answers your question)

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Blababa [14]

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The answer is 3

Step-by-step explanation:

I put the answer simplified if needed.

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Zigmanuir [339]

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Step-by-step explanation:

for 182 miles you need 14 gallons

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2 years ago
Find the equation of the straight line through (–2, 3) perpendicular<br> to 2x + y =8
Thepotemich [5.8K]

Answer:

y = \dfrac{1}{2}x + 4

Step-by-step explanation:

The equation of a line in slope-intercept form is

y = mx + b

We need to find the slope, m, and the y-intercept, b.

The line we need is perpendicular to the line 2x + y = 8.

<em>The slopes of perpendicular lines are negative reciprocals.</em>

We solve the given equation for y to find the slope of the given line.

2x + y = 8

y = -2x + 8

The given line has slope -2.

The negative reciprocal of -2 is 1/2.

Our line has slope, m = 1/2.

Now we have

y = 1/2 x + b

Now we use the given point, (-2, 3), for x and y, using x = -2, and y = 3, and we solve for b.

y = 1/2 x + b

3 = 1/2 * (-2) + b

3 = -1 + b

4 = b

b = 4

Now we have

y = 1/2 x + 4

Answer: y = \dfrac{1}{2}x + 4

8 0
3 years ago
Round 5.951 to the place value of the underlined digit ( underlined digit is 9)
mr Goodwill [35]

Answer:

A.) 6.0

Step-by-step explanation:

I dont explain very well, but..

if the next number is above or it is 5, then u round up

5 0
3 years ago
Factor 26r3s + 52r5 – 39r2s4. What is the resulting expression?
kap26 [50]
Hello : 
26r3s + 52r5 – 39r2s4  <span>Factor is : 13r²

</span><span>the resulting expression is : 13r²(2rs+4r3 -3s4)</span>
7 0
2 years ago
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