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Setler [38]
3 years ago
6

Please solve: 3/8x-1/2x=3

Mathematics
1 answer:
Afina-wow [57]3 years ago
6 0
3/8x - 1/2x = 3
3/8x - 4/8x = 3
-1/8x = 3
-x = 24
x= -24
 
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Morgan’s grandmother orders her groceries online and has them delivered to her house. Her bill is $120. She has a coupon for 20%
iragen [17]

Answer:

The total price of the groceries, including discount and tip is $110.4.

Step-by-step explanation:

Here, the bill amount of groceries   = $120

Now, the coupon off  = 20%

Calculating the discount, we get

20% of bill amount $120  =   20% of 120  = \frac{20}{100}  \times 120  = 24

So, the 20% discount on the bill amount = $24

The actual payable amount = Bill Amount  - Discount

                                                =  $120 - $24  = $96

Now, 15% tip is also applied on the actual payable amount $96.

15% of 96 = \frac{15}{100}  \times 96  = 14.4

So, the total price t  = Payable amount + Tip amount

                                 = $96 +  $14.4   =  $110.4

or, t = $110.4

Hence, the total price of the groceries, including the discount and the tip  is  t = $110.4.

6 0
3 years ago
−0.63p − 5.04 + 3.57 = 7.05 + 2.21p?
grandymaker [24]

Answer:

p = -3

Step-by-step explanation:

−0.63p − 5.04 + 3.57 = 7.05 + 2.21p

−0.63p − 1.47 = 7.05 + 2.21p    (add 0.63p to both sides)

− 1.47 = 7.05 + 2.21p + 0.63p

− 1.47 = 7.05 + 2.84p  (subtract 7.05 from both sides)

− 1.47 - 7.05 =  2.84p

-8.52 = 2.84p  (rearrange)

2.84p = -8.52   (divide both sides by 2.84)

p = -8.52 / 2.84

p = -3

6 0
3 years ago
Read 2 more answers
A mountain climber started at 150 feet below sea level. What would he
Ber [7]

Answer:

3150 feet for both

Step-by-step explanation:

correct?

4 0
2 years ago
I need help on this question <br> Factor by grouping.<br> 2u^3+3u^2+14u+21
Andru [333]
U^2(2u+3)+7(2u+3)

(u^2+7)(2u+3)
6 0
3 years ago
A bag contains 10 red marbles, 15 yellow marbles and 5 green marbles. What is the probability of drawing a red or green marble f
Volgvan
Probability = 

             (number of ways it can come out the way you want)
divided by
             (total number of ways it can come out).

Total number of ways to draw a marble = 30 (marbles in the bag).

Number of ways it can succeed = 15 (number of red or green ones)

Probability = 15/30 = 1/2 = 50% .
8 0
3 years ago
Read 2 more answers
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