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Kamila [148]
3 years ago
13

Show your work” below and solve the given equation for x showing all your steps.

Mathematics
1 answer:
mixas84 [53]3 years ago
4 0

Answer:

<em>x=</em><em>-</em><em>1</em><em>3</em>

Step-by-step explanation:

21-3.5x+14=7-7.5x-24

21+14-3.5x=7-24-7.5x

35-3.5x=-17-7.5x

35+17=3.5x-7.5x

<u>5</u><u>2</u>=<u>-4x</u>

-4. -4

x=-13

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Sonia received a statement on her Certificate of Deposit showing that her investment had returned $4,320 over its life. If the C
bija089 [108]

Answer:

The correct answer is -7.5 years.

Step-by-step explanation:

Given:

Principle amount = 12000

Interest = 4320

time = ?

rate = 4.8 simple interest

Solution:

We know that simple Interest I = (P*t*r)/100

then t = I*100/p*r

putting values in formula:

t = 4320*100/4.8*12000

= 432000/57,600

= 7.5 years

6 0
3 years ago
Please help on this question i give brainliest
Tju [1.3M]

Answer:

1. 9 bounds of carbon dioxide

2.  27 bounds of carbon dioxide

Step-by-step explanation:

So let's find a unit rate: 1 to 9

"Why is it 1:9?"

If I can find divide 72 pounds into 8 hours? What would I find? You would find the pounds for each other

Example: 72/8=9. So If 9 carbon dioxide per hour. I can do 3 hours is 27 pounds of carbon dioxide.

So to sum it up, 72/8=9 so 1:9 can be used to figure out any amount of pounds used in a certain number of hours. So If 3 hours, then 27 pounds.

4 0
3 years ago
Read 2 more answers
Let C(q) represent the cost and R(q) represent the revenue, in dollars, of producing q items.
Mademuasel [1]

Answer:

(a)$4954

(b)$10

(c)The company should not produce the 101st item.

Step-by-step explanation:

(a)

C'(50)=\dfrac{C(52)-C(50)}{52-50} \\\\C(50) = 4900,C'(50) = 27\\\\$Therefore:\\27=\dfrac{C(52)-4900}{52-50}\\C(52)-4900=27*2\\C(52)=4900+54\\C(52)=\$4954

(b)If C'(50) = 27 and R'(50) =37

  • Cost will increase by $27
  • Revenue will increase by $37

Therefore, the profit earned on the 51st item

=R'(50)-C'(50)

=37-27

=$10

(c)If C'(100) = 41 and R'(100) =37

  • Cost will increase by $41
  • Revenue will increase by $37

Therefore, the profit earned on the 101st item

Profit =R'(100)-C'(100)

=37-41

=-$4

The company should not produce the 101st item. It would lose $4 if it does.

4 0
3 years ago
Simplify the radical expression attached below.
Doss [256]
It’s gonna be radical 10x/ 4x.
4 0
3 years ago
Read 2 more answers
Which type of interest is earned on both the principal plus any previous interest earned?
NemiM [27]

Answer:

compound interest

Step-by-step explanation:

The interest charged on the principal for the entire loan term is known as Simple Interest. The interest computed on both principal and the previously earned interest is known as Compound Interest. Compound Interest gives a high return as compared to Simple Interest.

6 0
3 years ago
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