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zysi [14]
2 years ago
15

Challenge An arts academy requires there to be 5 teachers for every 115 students and 3 tutors for

Mathematics
1 answer:
Juli2301 [7.4K]2 years ago
7 0

Step-by-step explanation:

<u>5 teachers for every 115 students </u>

  • 1 teacher for every 115/5 = 23 students

<u>3 tutors for every 27 students</u>

  • 1 tutor for every 27/3 = 9 students

<u>If there are 90 students, then number of tutors:</u>

  • 90/9 = 10 tutors
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Symbolize and Solve Equations
NNADVOKAT [17]

x = 5.43 + .83m

5.43 + .83 * 5 = 5.43 + 4.15 = $9.58

5 0
2 years ago
Ishan and Hazel plan to retire at age 60 with a retirement income of $48,000 a year from their savings. Rather than pay themselv
GuDViN [60]

Answer:

5

Step-by-step explanation:

8 0
2 years ago
h(x)= \dfrac{1}{8} x^3 - x^2h(x)= 8 1 ​ x 3 −x 2 h, left parenthesis, x, right parenthesis, equals, start fraction, 1, divided b
Nesterboy [21]

Answer:

\dfrac{1}{2}

Step-by-step explanation:

Given the function h(x)=\dfrac{1}{8}x^3-x^2

The average rate of change of the function h(x) over the interval a\le x\le b can be calculated using formula

\dfrac{h(b)-h(a)}{b-a}

In your case,

a=-2,\\ \\b=2,

so the average rate of change is

\dfrac{h(2)-h(-2)}{2-(-2)}\\ \\=\dfrac{(\frac{1}{8}\cdot 2^3-2^2)-(\frac{1}{8}\cdot (-2)^3-(-2)^2)}{4}\\ \\=\dfrac{(1-4)-(-1-4)}{4}\\ \\=\dfrac{-3+5}{4}\\ \\=\dfrac{2}{4}\\ \\=\dfrac{1}{2}

6 0
2 years ago
Evaluate 3+n-5×2 for n=4​
xxTIMURxx [149]

Answer:

-3 is the answer

Step-by-step explanation:

distribute the value of n

3+4-5×2

=7-10

=-3

6 0
3 years ago
Read 2 more answers
How many hours would someone who earns $7.50 per hour have to work to earn $116.25?
Levart [38]
Lets look at the information we have:-

$7.50 per hour
How many hours to earn $116.25?

To answer this we will divide. Lets do it:-

116.25 ÷ 7.50 = 15.5
15 and a half hours.

CHECK OUR WORK:-

15.5 × 7.50 = 116.25
We were RIGHT!!

So, to earn $116.25 when getting paid $7.50 per hour you would need to work for 15 and a half hours.

Hope I helped ya!!! 
6 0
3 years ago
Read 2 more answers
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