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Maslowich
3 years ago
10

What is the expression in factored form? -20x^2 - 12x

Mathematics
1 answer:
artcher [175]3 years ago
4 0

Answer:

-4x(5x-3)

Step-by-step explanation:

-20x^2 - 12x

-20x^2 = -4*5*x*x = -2*2*5*x*x

-12x = -4*3*x = -2*2*3*x

The common terms are -2*2*x = -4x.  Whats left goes inside the parentheses

-4x(5x-3)

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Matthew drove 74 miles in 2 hours. On average, how fast did he drive in hours per mile? Express your answer in simplest form.
jonny [76]

Answer: 37

Step-by-step explanation: Since you drove 74 miles in 2 hours, you would divide 74 by 2 to find the miles per hour, which would be 37.

3 0
3 years ago
20 POINTS Compost costs $10 per cubic yard and topsoil costs $2 per cubic yard. Maria needs more than 10 cubic feet of topsoil.
Morgarella [4.7K]
I can't see the graph but let's use logic
hmm, more than 10 cubic feet of topsoil so the first and 2nd options are wrong

let's ee the costs
3rd option
10*1=10
2*12=24
10+24=34 and 34<50, that is fine

4th option
3*10=30
2*12=24
30+24=54
54>50, nope, that is over cost


answer is 3rd one
the one with 1 cubic yard compost and 12 cubic yard topsoil
8 0
3 years ago
Read 2 more answers
What is the question?
max2010maxim [7]

Answer:

(23, 4)

Step-by-step explanation:

If we use substitution, we need to rewrite the 2nd equation so we can substitute it into the first.

Step 1: Rewrite 2nd equation

x = 5y + 3

Step 2: Substitution

2(5y + 3) - 5y = 26

Step 3: Distribute

10y + 6 - 5y = 26

Step 4: Combine like terms

5y + 6 = 26

Step 5: Isolate <em>y</em>

5y = 20

y = 4

Step 6: Find <em>x</em>

x - 5(4) = 3

x - 20 = 3

x = 23

And we have our final answer!

7 0
3 years ago
Read 2 more answers
Jose runs 6 miles in 55 minutes. at the same rate, how many miles would he run in 44 minutes
Vikki [24]

Answer:

4.8 miles

Step-by-step explanation:

have a good day!

6 0
3 years ago
Read 2 more answers
Which of the following is a secant on the circle below?
boyakko [2]

A. \vec{KI} is the secant line on the below circle.

<u>Step-by-step explanation:</u>

The intersection of the circle will result in either Tangent or Secant. Secant is a line intersecting a circle at two different point. This concept explains the relation between the circle and line intersecting it.

From the given diagram,

The \vec{GJ} and \vec{GK} intersects the circle at the point H and I.

∴ It can also represented that the \vec{JH} and \vec{KI} intersects at a point G.

From the given options \vec{KI} is the secant line that intersects the circle twice.

7 0
3 years ago
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