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Firlakuza [10]
3 years ago
6

Wich is the first operation performed in evaluating

Mathematics
1 answer:
stellarik [79]3 years ago
3 0
The first operation performed while evaluating would be to do the parenthesis
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A company placed $500,000 in three different investment plans.
Paha777 [63]

Answer:

B. $200,000

Step-by-step explanation:

Let x be the amount placed at 5.5%

3x is the amount placed at 5%

This leaves the rest for the 4.5 %   500000- x - 3x = 500000-4x

Assuming simple interest

I = PRT where I is interest, P is principle, rate is rate and t  is time

Interest for the 5.5% for 1 year is

I = x * .055 * 1 = .055x

Interest for the 5.% for 1 year is

I = 3x * .05 * 1 = .15x

Interest for the 4.5% for 1 year is

I = 500000-4x * .045 * 1 = 22500 - 0.18 x

Add the interest together to get the income for 1 year

.055x+  .15x+22500 - 0.18 x=25,000

Combine like terms

0.025x+22500=25000

Subtract 22500

.025x =2500

Divide by .025

x =100000  

short term notes is 100000

3*x = 300000 = government bonds

The rest is utility bonds 500000- 100000-300000 = 100000

We want how much more in government bond than utility bond

300000 -100000 = 200000

8 0
3 years ago
Read 2 more answers
Ashley has $62, part of which she wants to use to pay back money she owes people. She owes $13 to her brother and she owes $39 t
SSSSS [86.1K]
If Ashley begins with $62, and she wants to pay back $13 to her brother and $39 to her parents, we should set up an expression to model this. Both of her payments back to her family are withdrawals from her total amount, meaning they must be subtracted. So we can set up the following expression:

62-13-39

After simplifying this expression by combining like terms, we get 10.

Therefore, after paying both her parents and her brother back, Ashley still has 10 dollars.

Hope this helps!
3 0
3 years ago
Read 2 more answers
Explain which is faster: 10 centimeters/5 seconds or 10 centimeters/20 seconds.
Diano4ka-milaya [45]

Answer:

10 centimetre / 5 seconds

Step-by-step explanation:

10 cm / 5 sec means that you are travelling 10 cm every 5 seconds. Or 2 cm every 1 seconds. ( Divide by 5).

10 cm / 20 seconds means that you are travelling 10 cm every 20 seconds. Or  0.5 cm ever 1 second. (Divide by 20)

5 0
3 years ago
Read 2 more answers
Make x the subject<br> 3x-ax =2x+5
Mandarinka [93]

Step-by-step explanation:

<h3>>> ▪︎ 3x-ax=2x+5 ▪︎<< </h3><h3>>> ▪︎ 3x-ax-2x=5 ▪︎<<</h3><h3>>> ▪︎x(3-2-a)=5 ▪︎<<</h3><h3>>> ▪︎x=5/1-a ▪︎<<</h3>
8 0
3 years ago
Read 2 more answers
How do I do the question in the picture up there
satela [25.4K]
Answer: x= 1/5
3/4x +1/4 =2x
1/4= 1 1/4x or 1.25x (minus 3/4x on both side)
1/5=x
4 0
3 years ago
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