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san4es73 [151]
3 years ago
6

Add 30 and 13; then, raise the sum to the 2nd power.

Mathematics
1 answer:
natita [175]3 years ago
4 0

Answer:

B. (30 + 13)^2

Step-by-step explanation:

(B) is correct because you have to add 30 and 13 first so they need to be in the parentheses and then you have "raise the sum to the 2nd power" which in signal form it would be "^" so after you add 30 and 13 you get 43^2 then all you have to do is 43 times 43.

plz mark me as brainliest :)

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Colin buys a tv for £530. It depreciates at a rate of 3% per year. How much will it be worth in 5 years? Give your answer to the
rodikova [14]

Answer: In 5 years it will be worth £455

Step-by-step explanation:

Step 1

Given

The cost of the T.V. for Colin = £530.

The rate of depreciation per year = 3%

Time/ period = 5 years

Formulae to be used

F = P  X (1 - r) ^ n

where

F = the future value after depreciation

P = the present value.

r =the interest rate per time period

n = the time/ periods

Step 2--- SOLVING

F = P  X (1- r) ^ n

F= 530 x (1-0.03) ^ 5

=530 x 0.858734

=£455.129

Rounding up to the nearest penny where appropriate = £455

3 0
3 years ago
A computer technician charges a one-time fee of $50 plus and additional $20 per hour of labor. If an equation is created to dete
allochka39001 [22]
In the equation the $50 would be the start up or in other words the y-intercept
4 0
3 years ago
You have$560 in an account which pays 4.8% compounded annually. If you invest your money for 8 years, then how many dollars of i
SCORPION-xisa [38]

Answer:

$ 254.85

Step-by-step explanation:

Total amount invested = $ 560

Interest rate = r = 4.8% = 0.048

Time in years = t = 8 years

The formula for compound interest is:

A =P(1+\frac{r}{n})^{nt}

Here,

A is the total amount accumulated after t years. P is the amount invested initially and n is the compounding periods per year. Since in this case compounding is done annually, n will be 1. Using the values in the above formula, we get:

A=560(1+\frac{0.048}{1})^{8} = \$ 814.85

Thus, the total amount accumulated after 8 years will be $ 814.85

The amount of interest earned will be:

Interest = Amount Accumulated - Principal Amount

Interest = $ 814.85 - $ 560 = $ 254.85

By the end of 8 years, $ 254.85 would be earned in interest.

7 0
3 years ago
List five rational numbers between: <br> −4<br> 7<br> and <br> 1<br> 2
klio [65]

5 rational number between -47 and 12 are {-46, -45, -44, -43, -42}

<h3>How to find the rational numbers?</h3>

Remember that any integer is also a rational number.

So, if we want to find 5 rational numbers between -47 and 12, we can just find 5 integers between these two numbers.

To do that, we can just add 1 to the lowest bound, we will et:

-47 + 1 = -46

-45 + 1 = -45

-44 + 1 = -44

-43 + 1= -43

-43 + 1 = -42

So 5 rational number between -47 and 12 are {-46, -45, -44, -43, -42}

If you want to learn more about rational numbers:

brainly.com/question/12088221

#SPJ1

7 0
1 year ago
Please help me with this I will mark you brainliest
Zinaida [17]

AC=4.26 cm

Hope this helps you

7 0
3 years ago
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