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lara [203]
3 years ago
6

PLEASE SOMEONE HELP ASAPPPPPPPPPPPPPPPPPPPP

Mathematics
2 answers:
SashulF [63]3 years ago
5 0
Misha would combine 3x-2x and-8-7
Serggg [28]3 years ago
5 0
The answer is c. 3x-2x+4x and -6-8-7. that will end up being 3x-2x-4x=6-8-7. -3x=-9. x=3
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What is the axis of symmetry for the graph of this equation?
den301095 [7]

Answer:

x=1

Step-by-step explanation:

x=-b/(2a)

a=2

b=-4

c=2

-(-4)/(2*2)=4/4 or 1

x=1

4 0
3 years ago
Read 2 more answers
D/12 = 0.25 bbhhgshdhrjrhfbbdb
marta [7]
So solve for the placeholder D
D/12=0.25
multiply both sides by 12 to clear fraction
12D/12=0.25 times 12
D(12/12)=3
D(1)=3
D=3


4 0
3 years ago
NEED HELP WITH 13 a-b!!!! PLEASE HELP!!!!!!!
sergij07 [2.7K]

Answer:

a - 6%

b - $7.50

Step-by-step explanation:

The answer for a

the only items that had sales tax were $3.00 and $0.50. The total tax for the both was $0.21 so you can find what percent 0.21 is of 3.00 + 0.50 o 3.50. Do this by dividing the percent you are looking for, 0.21, by what it is the percent of 3.50. 0.21 / 3.50 = 0.06. then you multiply the number you got, in this case 0.06 by 100 to find the percentage so it is 6%

The answer for b

Here you can just take the subtotal, $13.00, and subtract all the other prices and you will be left with the price of the top. 13.00 - 3.00 - 2.00 - 0.50 = 7.50. So the answer is $7.50

8 0
2 years ago
A student answered 86 problems on a test correctly and received a grade of 98%. How many problems were on the test, if all the p
balu736 [363]

Answer:

88 problems

Step-by-step explanation:

Set this problem up as fractions

86/x = 98/100

Cross multiply

86 × 100 = x × 98

8600 = 98x

Divide both sides by 98

87.75... = x

Round to nearest whole number

87.75 rounds up to 88

88 problems

7 0
3 years ago
Tessellations
faust18 [17]

9514 1404 393

Answer:

  d. x-axis

Step-by-step explanation:

Consider a point on curve P and its (nearest) image on curve P'. The midpoint between those points is on the line of reflection. That line is the x-axis.

_____

<em>Additional comment</em>

The curve is symmetrical about the y-axis, so each point on P also has an image point that is its reflection across the origin. The reflection of P could be across both the x- and y-axes, or (equivalently) across the origin. We don't know the meaning of "xy-axis", so we suspect that is a red herring. The best choice here is "x-axis."

4 0
2 years ago
Read 2 more answers
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