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Viktor [21]
3 years ago
15

10x+8=3(x-2) 10x+8=3x-6

Mathematics
1 answer:
d1i1m1o1n [39]3 years ago
4 0

Answer:

x = -2

Step-by-step explanation:

10x+8=3x-6

subtract 10x-3x

7x+8= -6

subtract -6-8

7x=-14

divide 7 into -14

x = -2

Hope this helps!

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Point A is at -4 and point B is at 6. Which describes one way to find the point that
blondinia [14]

Answer:

D. For a ratio of 3:2, divide AB into 5 equal parts. Each equal part is 2 units, so the point that divides AB into a 3:2 ratio is 2.

Step-by-step explanation:

The complete question is:

<em>Point A is at –4 and point B is at 6. Which describes one way to find the point that divides AB into a 3:2 ratio? </em>

  • In a 3:2 ratio there are 3 + 2 = 5 equal parts.
  • The distance between points A and B is: 6 - (-4) = 6 + 4 = 10 units.
  • Each equal part is 10/5 = 2 units.
  • Point 2 is at 2 - (-4) = 6 units from -4
  • Point 2 is at 6 - 2 = 4 units from 6
  • Ratio 6:4 is equivalent to ratio 3:2
6 0
3 years ago
The area of a rectangle is represented by (x^2-14x-32) square units . If the width of the rectangle is represented by (x+2) unit
Flura [38]

The expression for length of rectangle is (x - 16) units

<h3><u>Solution:</u></h3>

Given that area of a rectangle is represented by x^2-14x-32 square units

width of the rectangle is represented by (x+2) units

To find: length of the rectangle

<em><u>The area of rectangle is given as:</u></em>

\text { area of rectangle }=\text { length } \times \text { width }

Substituting the values in formula, we get

x^{2}-14x-32=\text{length} \times(x+2)  ---- eqn 1

Let us first factorise the L.H.S of eqn 1

x^{2}-14x-32

Break the expression into groups

=\left(x^2+2x\right)+\left(-16x-32\right)

\mathrm{Factor\:out\:}x\mathrm{\:from\:}x^2+2x\mathrm{:\quad }x\left(x+2\right)

\mathrm{Factor\:out\:}-16\mathrm{\:from\:}-16x-32\mathrm{:\quad }-16\left(x+2\right)

=x\left(x+2\right)-16\left(x+2\right)

\mathrm{Factor\:out\:common\:term\:}x+2

=\left(x+2\right)\left(x-16\right)

Now substitute the above value in eqn 1

(x + 2)(x - 16) = length \times (x + 2)

length = \frac{(x + 2)(x - 16)}{x + 2}

Length = x - 16

Thus the expression for length of rectangle is (x - 16) units

8 0
3 years ago
5X+17=7 PLEASE HELP FAST
BARSIC [14]

Answer:

-2

Step-by-step explanation:

8 0
3 years ago
Read 2 more answers
Who can help me with the answer???
makvit [3.9K]
The answer is D 8 1/4
4 0
2 years ago
Check
almond37 [142]

Answer:

ayo

Step-by-step explanation:

6 0
3 years ago
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