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Airida [17]
3 years ago
11

-8x+2(4x+2)=4 what does x equal

Mathematics
1 answer:
Bess [88]3 years ago
7 0

Answer:

x=0

Step-by-step explanation:

-8x + 2(4x + 2) = 4

Use distributive property to get rid of the parentheses

-8x + 8x + 4 = 4

Add the like terms.

x + 4 = 4

Subtract both sides by four.

x = 0

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Which is the best estimate of the number of times amber would pull out a new york quarter if she pulled out a quarter another 30
Anna [14]
I found the table that contains the following data:
25 times:
Column No.      1     2     3    4    5    Total

New York         3     2     2    1    2     10
Connecticut      1     1     1    2    0       5
Pennsylvania    1     1     1    1    1       5
Rhode Island    0     1     1    1     2       5

New York: 10/25 or 2/5
Connecticut: 5/25 or 1/5
Pennsylvania: 5/25 or 1/5
Rhode Island: 5/25 or 1/5

300 times * 2/5 = 120 times for New York

The best estimate of the number of times Amber would pull out a New York quarter is 120.
8 0
3 years ago
given the equations 9x + (3)/(4)y + 6 and 2x + (1)/(2)y=9 by what factor would you multiply the sencond equation to eliminate y
Paul [167]

Answer:

  -3/2

Step-by-step explanation:

If the first equation is 9x +3/4y = 6, then the solution would look like this:

  \left(9x+\dfrac{3}{4}y\right)-\dfrac{3}{2}\left(2x+\dfrac{1}{2}y\right)=(6)-\dfrac{3}{2}(9)\\\\6x=-\dfrac{15}{2}\\\\x=-\dfrac{15}{12}=-\dfrac{5}{4}\\\\2\left(-\dfrac{5}{4}\right)+\dfrac{1}{2}y=9\ \longrightarrow\ y=2\left(9+\dfrac{5}{2}\right)=23

An appropriate multiplier is -3/2.

4 0
4 years ago
There are 24 counters. How many counters could you add without having to regroup? Explain.
PIT_PIT [208]
The answer to this question would have to be 5. In the statement given we can add 5 more that is 24 _ 5 equal to 29. Once the counter reaches 30, one must have to regroup by exchanging 10 ones for a 10 bar.Hence the answer to this problem would have to be 5 counters
3 0
3 years ago
Complete the point-slope equation of the line through (1,0) and (6,3). Use exact numbers. y-(-3)=
11111nata11111 [884]

Answer:

point-slope equation of the line through (1,0) and (6,-3). Use Exact Numbers

Step-by-step explanation:

8 0
3 years ago
Read 2 more answers
Mari makes bows for floral arrangements. She uses 1/8 of a yard ribbon for each bow. How many bows can she make from 2 spools th
GuDViN [60]
First, you need to find out how much ribbon she has total. Because there are two spools, you multiply 24 x 2. The answer for that is 48. Then you have to figure out how many bows she can make. Each bow uses 1/8 of a piece of yard of ribbon, so you can divide 48 by 8. Your answer would then be 6 bows.

Here are the equations.

24*2 = X

X/8 = B

Where X represents the yards of ribbon available and B represents the number of bows that Mari can make.
3 0
3 years ago
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