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Katen [24]
3 years ago
5

What is the factor for this expression: 4x+20

Mathematics
2 answers:
sveticcg [70]3 years ago
7 0

Answer:

4(x+5)

Step-by-step explanation:

factor out the 4

4(x+5)

ladessa [460]3 years ago
6 0

The factor would be 4 because you can divide 4 into both terms and get no remainders.

4x/4 = x

20/4 = 5

So 4(x + 5)

4 is the factor. (or 2)

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7 0
3 years ago
Please helppp meee!!!!
jekas [21]

Answer:

x=6

Step-by-step explanation:

3x+4=22

3x=18

x=6

If the total is 22, and you have a number 4 and 3 X's. Then 3x equals 22-4. 3x=18, 18 divided by 3 equals 6. Therefore, x equals 6.

3 0
3 years ago
The graph shows the charges of an instructor. The instructor charges an initial fee and then an hourly rate of $8.00 an hour for
Tasya [4]

Answer:

The instructor’s initial charge is $20

see the attached figure

Step-by-step explanation:

Let

x ----> the time in hours

y ----> the total cost in dollars

we know that

The linear equation in slope intercept form is equal to

y=mx+b

where

m is the slope or the unit rate of the linear equation

b is the y-intercept or initial value (in this problem is the instructor’s initial charge)

we have

The slope is equal to the  hourly rate

so

m=\$8.00\ per\ hour

substitute

y=8.00x+b

To find out the y-intercept join the given points in the graph and find out the value of y when the value of x is equal to zero

see the attached figure

The y-intercept is the point (0,20)

therefore

The instructor’s initial charge is $20

<u><em>Verify</em></u>

take any point on the graph

(5,60)

For x=5, y=60

substitute in the linear equation and solve for b

60=8.00(5)+b

60=40+b

b=\$20 ----> is ok

therefore

The instructor’s initial charge is $20

4 0
3 years ago
Read 2 more answers
What is the difference between-34 and -43
ehidna [41]
The difference of -34 and -43 is 9

-34 - -43 = 9

I hope this helps
4 0
3 years ago
AD ??????? so confused what the
Andre45 [30]

Answer:

3.6 cm

Step-by-step explanation:

<u>Triangle Proportionality Theorem</u>

BD : DE = BA : AC

⇒ 6 : 10 = BA : 16

⇒ \mathsf{\dfrac{6}{10} = \dfrac{BA}{16}}

⇒ \mathsf{BA=\dfrac{6}{10} \times16}

⇒ BA = 9.6

AD = BA - BD

⇒ AD = 9.6 - 6 = 3.6 cm

4 0
2 years ago
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