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rosijanka [135]
3 years ago
8

Can someone help me with # 2??

Mathematics
1 answer:
creativ13 [48]3 years ago
6 0

Answer:

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Step-by-step explanation:

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15xy - 4 + 2xy -7xy - 1​
Eduardwww [97]

Answer:

10xy-5

Step-by-step explanation:

15xy-4+2xy-7xy-1 is the given expression.

I assume the directions say to simplify.

Group the xy terms together and group the constants together.

15xy+2xy-7xy-4-1

This is a demonstration of the commutative property.

Now I will use the distributive property to rewrite the first 3 terms as a multiplication:

(15+2-7)xy-5

10xy-5

6 0
3 years ago
If a graph of y=-4x +2 were changed to a graph of y=-4x+5, how would the y- intercept change?
Dmitry [639]

Answer:

So if y=-4x+2 was changed to y=-4x+5, then the y-intercept would increase by 3.

The y-intercept was (0,2) then it becomes (0,5) in the new line.

Step-by-step explanation:

The slope-intercept form a line is y=mx+b where m is the slope and the y-intercept is b.

Both of these equations given are in this form.

y=-4x+2 when compared to y=mx+b you see that m=-4 and b=2.

Since b=2 then the y-intercept is 2.

y=-4x+5 when compared to y=mx+b you see that m=-4 and b=5.

Since b=5 then the y-intercept is 5.

So if y=-4x+2 was changed to y=-4x+5, then the y-intercept would increase by 3.

8 0
3 years ago
4 is the _____ of 4n
murzikaleks [220]

Answer:

4 is the coefficient of 4n

Step-by-step explanation:

8 0
2 years ago
The price of two dozen candy bars is $4.80. Bridget wants to buy 5 candy bars. what will she have to pay?
Ymorist [56]

Answer:

24

Step-by-step explanation:

4.8×5 you have 5 candy bars that are $4.80 each so you multiply that by 5.

5 0
3 years ago
Read 2 more answers
Find the value of x in the figure shown below.
umka21 [38]

Because there is a square at the bottom of the figure, we can say that the angle is equal to 90 degrees (x+22). Thus, the equation would be

x+22 = 90

x = 68

The value of "x" is then equal to 68

7 0
2 years ago
Read 2 more answers
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