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svetlana [45]
3 years ago
12

How do you solve this?

Mathematics
1 answer:
slavikrds [6]3 years ago
4 0

Answer: To solve these types of questions what I always do is get a protractor if you have one and put it up against to where the dot is in the middle of the empty hole and then get a ruler or a pencil and make the line keep going to see what angle. In this case your answer is 65% I think.

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A=1/2B×h
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4 years ago
Antonio wants to invest $7600 in a saving account. Determine the interest rate (simple interest) required for Antonio’s investme
disa [49]
<h3>Interest rate required for Antonio’s investment to double in value in 12 years is 8.3 % per annum</h3>

<em><u>Solution:</u></em>

Given that,

Antonio wants to invest $7600 in a saving account

Antonio’s investment to double in value in 12 years

To find: Rate of interest

<em><u>The total amount using simple interest is given as:</u></em>

A = p(1+\frac{r}{100}t)

Where,

p is the principal

r is the rate of interest

t is the number of years

From given,

p = 7600

t = 12 years

r = ?

Antonio’s investment to double

Therefore,

A = 2(7600) = 15200

<em><u>Substituting the values we get,</u></em>

15200 = 7600(1 + \frac{r}{100} \times 12)\\\\\frac{15200}{7600} = 1 + 0.12r\\\\2 = 1 + 0.12r\\\\0.12r = 2 - 1\\\\0.12r = 1\\\\r = 8.333 \%

r \approx 8.3 \%

Thus interest rate required for Antonio’s investment to double in value in 12 years is 8.3 % per annum

7 0
4 years ago
Solve the exponential equation<br><img src="https://tex.z-dn.net/?f=%20%7B10%7D%5E%7B%20-%20x%7D%20%20%3D%20%20%7B7%7D%5E%7B4x%7
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4 years ago
The temperature was 15 degrees below 0 (in Fahrenheit) today.
Alla [95]

Answer:

<u>The temperature would be -15° Fahrenheit</u>, because it is 15 below 0 degrees.

From using this...

0 - 15 = -15

<em>A signed number is just a term which applies to positive and negative numbers.</em>

8 0
3 years ago
Read 2 more answers
The cost of a service call to fix a washing machine can be expressed by the linear function y = 45 x + 35, where y represents th
Effectus [21]

Answer:

B. The service fee for coming to look at the machine

Step-by-step explanation:

Whenever we have a linear equation like this in real-world problems, the y-intercept always represents a fixed cost of some sort.

Here, 35 is the y-intercept. It cannot represent "the cost for each hour it takes to repair the machine" because that's what 45 means.

It cannot represent "the total cost for fixing the washing machine" because that's what y means.

And it cannot represent "the amount of time that it takes to arrive at the home to make the repairs" because that's what x means.

Thus, 35 must be the service fee. This is the upfront fee that is fixed and doesn't change depending on time.

Hope this helps!

5 0
3 years ago
Read 2 more answers
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