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Digiron [165]
3 years ago
11

Expanding and Simplifying Triple Brackets: (4x + 6) (x - 3) Please help! Thankyou all! X

Mathematics
1 answer:
Otrada [13]3 years ago
4 0
This would only be a double bracket...

but you do
(4x+6) (x-3)
F 4x * X = 4xsquared
O 4x* -3 = -12x
I. 6xX = 6x
L. 6*-3 = -18
collect like terms:
answer= 4x2 - 6x -18
the 4x is squared :)
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Find the slope of the line that passes through (6, 68) and (54,-7)​
soldi70 [24.7K]

Answer:

-25/16

Step-by-step explanation:

m=(y2-y1)/(x2-x1)

m=(-7-68)/(54-6)

m=-75/48

m=-25/16

7 0
2 years ago
Read 2 more answers
How do you graph 3x-2y<-4
sveta [45]
The slope-intercept form is
y
=
m
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b
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m
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b
b
is the y-intercept.
y
=
m
x
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b
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b
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y
=
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x
+
b
y
=
m
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m
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2
m
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b
=
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=
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The slope of the line is the value of
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4 0
3 years ago
Last year, the 7th grade enrollment at a middle school was 150 students. This year, the enrollment increased by 120%. How many 7
alexira [117]

Answer:

There will be 330 7th grade students in this middle school this year.

Step-by-step explanation:

Last year enrollment = 150 students

As the enrollment increased by 120%.

i.e.

Number of Percentage increase = 120% × 150 = 120/100 × 150

                                                       = 1.2 × 150

                                                        = 180

Thus,

Total students this year = No. of Percentage increase + Last year students

                                       = 180+150

                                        = 330 students

Therefore, there will be 330 7th grade students in this middle school this year.

4 0
3 years ago
The gestation period of rhinos (487days) is percent longer than the gestation period of pigs 115days
Aleksandr [31]

Answer:

73.68

Step-by-step explanation:

Rhino= 487

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Difference = 487-115= 372

%age=( 372/487)*100= 73.68

5 0
3 years ago
What is 42,653 rounded to the nearest ten
irinina [24]

Answer:

42,650 I think, sorry if its wrong

6 0
3 years ago
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