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ryzh [129]
2 years ago
7

24 = -3(2а — 15) — а

Mathematics
1 answer:
Hoochie [10]2 years ago
5 0

Answer:

a=3

Step-by-step explanation:

24= -3(2a-15)-a -->given

24=-6a+45-a -->distribute the -3

24=-7a+45 -->combine like terms

-21=-7a -->subtract 45 from both sides

3=a -->divide both sides by -7

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Please help on test
dolphi86 [110]

150 * 5/100=7.5

150+7.5=157.5$

145*7/100= 10.15

145+10.15= 155.15$

140*8/100= 11.2

140+11.2= 151.2$

135*9/100= 12.15

135+12.25= 147.15$

Purchase D is least Expensive. 147.15$

3 0
2 years ago
Choose the correct simplification of the expression f to the 6th power times h to the 9th power all over f to the 3rd power time
maria [59]
That doesn't make sense
6 0
3 years ago
Read 2 more answers
(x+2) is one of the factors of the polynomial x³+13x²+32x+20. Find its remaining factors.
Liula [17]

Answer:

x^2+11x+10

or

(x+1)(x+10) since you can factor x^2+11x+10

Step-by-step explanation:

Let's do synthetic division.

We are dividing by x+2, so -2 will be on the outside. Like this:

-2 |         1          13          32         20

   |                     -2        -22         -20

   |___________________________

             1          11           10            0

The remainder is 0, so (x+2) is indeed a factor of x^3+13x^2+32x+20.

The other factor we found by doing this is (x^2+11x+10).

You can find more factors by factoring x^2+11x+10.

Two numbers that multiply to be 10 and add to be 11 is 10 and 1 so the factored form of x^2+11x+10 is (x+10)(x+1).

6 0
3 years ago
Choose the equation that represents the line that passes through the point (6, −3) and has a slope of one half.
Goshia [24]

Answer:

y+3=\frac{1}{2} \left(x-6)

Step-by-step explanation:

Point slope form:

y-y_1=m\left(x-x_1\right)

<em>Note: </em>

  • <em>m represents the slope</em>
  • <em>(x1,y1) represents the coordinate point</em>

Our answer would be y+3=\frac{1}{2} \left(x-6)

7 0
3 years ago
Read 2 more answers
Number of the day 3.59
sleet_krkn [62]
Please be a little specific.
7 0
3 years ago
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