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strojnjashka [21]
3 years ago
15

Hello! I need help with this question.​

Mathematics
1 answer:
3241004551 [841]3 years ago
3 0

Answer:

177

Step-by-step explanation:

Adults: 11 x $8 = 88

Children: 17 x $4 = 68

Pensioners: 3 x $7 = 21

88 + 68 + 21 = 177

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Judges in a diving competition gave scores of 9.3, 9 1/2, 9 4/5, 9.95 And 9 1/4. Which two scores were closest to one another?
Kazeer [188]

9.3 and 9\frac{1}{4} were closest to another.

<u><em>Explanation</em></u>

First we will convert each given fractions into decimal form. So....

9\frac{1}{2}= 9+\frac{1}{2} = 9+0.50 =9.50\\  \\ 9\frac{4}{5}= 9+ \frac{4}{5}= 9+0.80=9.80\\   \\ 9\frac{1}{4}= 9+\frac{1}{4} =9+0.25= 9.25

Then the scores are: 9.30, 9.50, 9.80, 9.95 and 9.25

So, 9.30 and 9.25 are closest to another as their difference is (9.30-9.25)=0.05

That means , 9.3 and 9\frac{1}{4} were closest to another.

6 0
3 years ago
Read 2 more answers
Sue invests $600 in an account at 4.5% simple interest paid annually over the term of 10 years. What is the final value?
BaLLatris [955]

Answer:

$870

Step-by-step explanation:

To figure out how much the final value here is, use the formula A = P(1 + rt). (A = total accured amount, P = principal, r = rate (%), t = time (years))

A = 600 * (1 + (10 * 9/200)) (multiply 10 by 9 and put that over 200)

A = 600 * (1 + (90/200)) (90/200 simplifies to 9/20)

A = 600 * (1 + (9/20)) (add 1 (20/20) to 9/20 to get 29/20)

A = 600 * 29/20 (Multiply 600 by 29 and put that over 20)

A = 17400/20 (Divide 17400 by 20 to get 870)

A = 870

$870 is the final value.

6 0
3 years ago
Find the value of x that makes the equation true<br> 3 ( x- 8 ) + 2x = 76
vovikov84 [41]

Answer:

x = 20

Step-by-step explanation:

3 (x-8) +2x = 76

3x - 24 +2x = 76

3x+2x = 76+24

5x = 100

x = 20

7 0
3 years ago
Give the coordinates of the point located halfway between (2,1) and (2,4).
nordsb [41]
((X1+x2)/2,(y1+y2)/2) ---> ((2+2)/2,(1+4)/2) ---> (2,2.5)
8 0
3 years ago
Lukas earns $168 every 12 hours. Write this rate as a unit rate
BartSMP [9]

Answer:

14

Step-by-step explanation:

To find the unit rate, we want the denominator to be 1. So 168/12 is 14.

8 0
3 years ago
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