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Vaselesa [24]
3 years ago
11

Calcule o valor x na equação do 1° grau: 23x-16=14-17x​​

Mathematics
1 answer:
Amiraneli [1.4K]3 years ago
3 0

Answer:

23x-16=14-17x

primeiro adicione 16 no primeiro membro e no segundo

23x-16+16=14-17x+16

depois adicione 17x no dois membros

23x+17x=14-17x+17x+16

e o resultado fica

40x=30

Step-by-step explanation:

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18. George invests $5000 for 14 years at a rate of 2% per year compound interest. Calculate the interest he
Ymorist [56]

Answer:

He will receive $1, 400 for interest

&

A total amount of $6, 400

Step-by-step explanation:

To find the interest, we must apply the following formula:

I = P × R × T

I represents interest

R represents rate

T represents time

P represents principle

Steps:

1. Change the rate, which is 2%, into a decimal.

2. Multiply the principle, which is 5,000, by the rate, which is 0.02.

3. Multiply the product of the principle and rate, which is 100, by the time, which is 14 years.

So he will receive $1, 400 interest.

To find the total amount he recieved, we must:

Add the principle, which is 5,000, and the current interest, which is 1, 400.

5,000 + 1,400= 6,400

He will receive a total of $6, 400

I hope this helps! I'm sorry if it's wrong.

4 0
3 years ago
The price of 1kg of apples is 0.85$. What is the price of 200 grams of apples?
harkovskaia [24]

Answer:$0.17

Step-by-step explanation: 1000 grams= $0.85

200 grams is 1/5 of kg.

So, 0.85 times 1/5 is 0.17

6 0
3 years ago
Simplify:<br><br> -10(t – 8) – 7t<br> A. –17t + 80<br> B. –17t – 80<br> C. 3t + 8<br> D. 3t – 8
Delvig [45]

Answer: A.–17t + 80

Step-by-step explanation:

-10(t –8)–7t

−(10t−80)−7t

−10t+80−7t

(−10t−7t)+80

–17t + 80

Hope this helps, now you know the answer and how to do it. HAVE A BLESSED AND WONDERFUL DAY! As well as a great rest of Black History Month! :-)  

- Cutiepatutie ☺❀❤

5 0
3 years ago
Johnny has 196 baseball cards. He has 7 pages to put them on. How many cards should go on each page?
elena-14-01-66 [18.8K]

Answer:

33

Step-by-step explanation:

7 0
3 years ago
Add.<br> 0.6+(-2.1)<br> Enter your answer, as a decimal, in the box.
olasank [31]

Answer:

0.6-2.1=1.5

Step-by-step explanation:

0.6-2.1=-1.5

0.6-2.1= - I2.1-0.6I

2.1

-0.6

--------

1.5

3 0
3 years ago
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