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andriy [413]
3 years ago
5

James drives a distance of 320 miles in 4 hours. What was his speed?

Mathematics
1 answer:
Nataly_w [17]3 years ago
5 0

Answer: D

Step-by-step explanation:

because 320/4 = 80 mi/hr because it can not km or min and hr^2 would not make any sense

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Can someone please help me with this
natta225 [31]

Answer:

(a)\ (1,5)

Step-by-step explanation:

Given

(x + 9)^2 + (y - 4)^2 = 101

Required

Which of the points does it pass through

To do this, we simply substitute the values of x and y in the above equation.

So, we have:

(a)\ (1,5)

(x + 9)^2 + (y - 4)^2 = 101

(1 + 9)^2 + (5 - 4)^2 = 101

Solve each bracket

10^2 + 1^2 = 101

100 + 1 = 101

101 = 101

The above equation is true,

<em>Hence, it passed through </em>(1,5)

<em>We do not need to check for others</em>

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3 years ago
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Please help:)), When factoring....
kompoz [17]

Answer:

1. 12

2. Multiply

3. 27

Step-by-step explanation:

These make the most sense because you are supposedly trying to find factors of 12, that multiply to 27. It can't be negative numbers I don't think. And there can't be factors of 27 that multiply to 12.

I'm so sorry if this is incorrect, but I hope it helps!

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Help 50 pts Drag and select. Been trying for a while and I can’t fail or it’s trouble for me
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Answer:

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Step-by-step explanation:

8 0
3 years ago
8m²n³-24m²n²+4m³n<br> how do I factor out the GCF
mariarad [96]

Answer:

8 {m}^{2}  {n}^{3}  - 24 {m}^{2} {n}^{2}   + 4 {m}^{3}n = 4 {m}^{2} n(2 {n}^{2}  - 6n + m)

Step-by-step explanation:

The given expresion is

8 {m}^{2}  {n}^{3}  - 24 {m}^{2} {n}^{2}   + 4 {m}^{3}n

Observe that 4 is common to 8,-24, and 4

Observe also that, m²n is common to all the terms.

Hence the GCF is:4m²n

We factor the GCF to get;

8 {m}^{2}  {n}^{3}  - 24 {m}^{2} {n}^{2}   + 4 {m}^{3}n = 4 {m}^{2} n(2 {n}^{2}  - 6n + m)

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