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krok68 [10]
3 years ago
11

-5⁄2 a + 5 = 25 find a

Mathematics
2 answers:
horsena [70]3 years ago
8 0

Answer:

The answer is 8

Step-by-step explanation:

-5/2 x 8= 20 and if you add 5 it is 25.

nordsb [41]3 years ago
3 0

Answer:

sub 5 25 - 5 = 20

-5/2a=20

mult 2 by each side to get rid of fraction

-5a=40

divide -5 from 40

a=-8

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For 2 sweaters for that price what percent discount is that?
Harrizon [31]

Answer: 75% off


Step-by-step explanation:

Your first sweater is the full 100% of the cost. The second it only 50 percent. If you add these to find out how many percent you will pay which is 150 for both. If you were to divide by 2 you get 75 percent off each sweater. The first sweater is $48 the second you multiply by .5 (as its 50 percent off ) and the cost is $24 dollars. 48 plus 24 is 72 then that divided by 2 is 36. Now 36$ is the price per sweater.  36/48 or  3/4 (which is 75%)

6 0
3 years ago
PLSSS HELP IF YOU TURLY KNOW THISS
Leona [35]

Answer:

That would be 2/3

Step-by-step explanation:

1/3 would be the first line after 0 and 3/3 is = to 1 so the correct answer is 2/3

6 0
2 years ago
Read 2 more answers
Jason worked 3 hours more than Keith. Jason worked 12 hours. Which equation represents this situation, if k is the numbers of ho
ycow [4]

Answer:

j=k+3   (j=jason k+kieth)

Step-by-step explanation:

he did thrhee more so it will be adding 3 to k

8 0
3 years ago
Abdullah expands (x - 3)2 and gets the answer x2 - 9. Describe what he has<br> done wrong.
solniwko [45]

Answer:

He squared the numbers inside without following the appropriate rule

Step-by-step explanation:

<u>what he should have done </u>

<u />(x-3)^2\\= x^2 - 2 *x*3+3^2\\= x^2-6x+9

4 0
3 years ago
Name two solutions to y = 3x - 5
wlad13 [49]

Answer:

(1,-2) and (0,-5) (There are an infinite amount more)

Step-by-step explanation:

The easiest way to find solutions is to plug in an x value. Let's try 1:

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Let's try 0:

y = 3(0) - 5⇒y = 0 - 5 ⇒y = -5

(0,-5)

6 0
3 years ago
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