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dexar [7]
3 years ago
8

Please help I have no idea what it is :(((

Mathematics
1 answer:
Vitek1552 [10]3 years ago
6 0

Answer: Answer is D


Step-by-step explanation:

4/5= 8/10= .80

85%= .85

0.91


.80 < .85 < .91


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Which line is a graph of the equation: 2x + 5y = -10?
Lady bird [3.3K]

Answer:

D

Step-by-step explanation:

2x + 5y = - 10         Subtract 2x from both sides

5y = -2x - 10           Divide by 5

y = -2x/5 - 10/5      

y = 0.4x - 2

The slope is minus so the line is going from lower right to upper left as B and D are doing.

The y intercept is - 2. B goes through + 2 so it is not the answer.

The answer is D

3 0
3 years ago
Pls help its a optional math question
Pepsi [2]

Answer:

70cm

Step-by-step explanation:

33=27/360*2*22/7*r

33*2520/1188=r

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hope it's right

6 0
3 years ago
How many solutions does this system have?
8_murik_8 [283]

Answer:

1

Step-by-step explanation:

There can be 0, 1 or infinitely many solutions. 0 if they are parallel and are different lines, 1 if the slopes are different, and infinitely many if they are the same line.

2x - 4y = 8

x + y = 7

Change to y = mx + b

y = (1/2)x - 2

y = -x + 7

The slopes are different so there is 1 solution.

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6 0
3 years ago
Read 2 more answers
Please solve -3x+12=48
choli [55]

Answer:

x = 12

Step-by-step explanation:

-3x+12=48

      -12 -12

*subtract 12 from both sides

-3x = 36

-3x/3 = 36/3

*divide 3 from each sides

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4 0
3 years ago
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When the x is slove and you have to slove for the y i got how to do it but i don't know which one am i sloving for in the equati
harina [27]
Since x=8y, subsitute 8y for x in other equation

y=6x-11
y=6(8y)-11
y=48y-11
minus y both sides
0=47y-11
add 11 to both sides
11=47y
divide both sides by 47
\frac{11}{47}=y
subsitute taht for y to find x

x=8y
x=8(\frac{11}{47})
x=\frac{88}{47}



x=\frac{88}{47}
y=\frac{11}{47}
in (x,y) form
(x,y)
(\frac{88}{47},\frac{11}{47})
3 0
3 years ago
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