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crimeas [40]
3 years ago
12

How do you solve this

Mathematics
1 answer:
IgorLugansk [536]3 years ago
6 0
First lets write out the equation:
-8x + 2x - 16 < -5x + 7x
Lets collect the x values

-6x - 16 < 2x
-8x - 16 < 0    (subtract both sides by 2x to get all the x's on one side)
-8x < 16         ( add both sides by 16 to get all the x's alone)
x < -2             ( divide both sides by -8 to get what just x is) 

So x < -2
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14 POINTS + Brainliest to first correct answer with explanation and diagram.
zhuklara [117]

So for example we have

1/2 divided by 1/6

What we will do it’s

Leave the first one As it is

Turn the second fraction (the one you want to divide by) upside down

The change the divide to multiply

Multiply the first fraction by that reciprocal

Simplify the fraction (if needed)

So it’s will be like this

1/2 x 6/1 = 6/2

Simplify it

6/2 =3

I hope it’s will help u ✨

5 0
4 years ago
Identify the product and express it in scientific notation. 4.7 x (6.02 x 10^23)
Anna11 [10]

Answer:

\large\boxed{4.7\times(6.02\times10^{23})=2.8294\times10^{24}}

Step-by-step explanation:

The scientific notation:

a\times10^k\ \text{where}\ 1\leq a

We have:

4.7\times(6.02\times10^{23})=(4.7\times6.02)\times10^{23}=28.294\times10^{23}\\\\=2.8294\times10\times10^{23}=2.8294\times10^{24}

6 0
3 years ago
the slope of the line containing the points (-5, 3) and (-2, 1) is -2/3 2/3 -3/2 user: the slope of a line that is perpendicular
Slav-nsk [51]
Slope = (y2 - y1)/(x2 - x1) = (1 - 3)/(-2 - (-5)) = -2/(-2 + 5) = -2/3

For perpendicular lines, m2 = -1/m1 = -1/(3/8) = -8/3

A line passing through point (-4, 0) and parallel to the y-axis is x = -4

diameter=\sqrt{(7-1)^2+(5+3)^2}=\sqrt{6^2+8^2}=\sqrt{36+64}=\sqrt{100}=10
radius = diameter/2 = 10/2 = 5
center of circle = midpoint of diameter = ((-3 + 5)/2, (1 + 7)/2) = (2/2, 8/2) = (1, 4)
Required equation is (x - 1)^2 + (y - 4)^2 = 5^2
(x - 1)^2 + (y - 4)^2 = 25
8 0
3 years ago
(10•10 to the power of 2) - ( 7.79• 10 to the power of 3)
Mashutka [201]

10 * 10^2 - 7.79* 10^3

they have to be to the same power to add or subtract

change 10*10^2 to proper scientific notation  (only 1 number before the decimal) 1*10^3

1*10^3 - 7.79*10^3 = (1-7.79) * 10^3=-6.79*10^3


8 0
4 years ago
A teacher spends $150 on school supplies for the classroom, folders are $0,25 each and notebooks are $2.50 each
exis [7]

Answer:

a.  x=600

b. y=60

c. x = 150 and y = 45

Step-by-step explanation:

0.25x+2.50y=150

6 0
3 years ago
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