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romanna [79]
3 years ago
7

Sally's math grade average went from an 84 to a 98. What was the percent of increase in her grade average?

Mathematics
1 answer:
gogolik [260]3 years ago
3 0

Answer:

98 - 84 = 14(this is the change) now we convert this to a percent

14/1 x 100/100 = 14%

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In triangle abc, AC=15 BC=11 and m
Oksana_A [137]

Answer: 10

Step-by-step explanation:

In a right angle triangle

Hypothenus ^2= opposite ^2+ adjacent ^2

According to a diagram below

Hypothenus =15

Opposite =?

Adjacent =11

Substitute for the values

15^2=11^2+opp^2

Opp^2=15^2-11^2

0pp^2= 225-121

Opp2=104

Opp= square root of 104

Opp= 10.2

Opp= ~10

3 0
4 years ago
Find the inverse f^-1(x) if f(x)=x+2
stiks02 [169]

Answer:

f^-1(x) = x - 2

Step-by-step explanation:

To find the inverse of a function in terms of x and y, you would sway x and y in the function. We can rewrite f(x) = x + 2 as y = x + 2, since f(x) is basically y in a function. The inverse of y = x + 2 would be x = y + 2. Now, solve for y.

x = y + 2

-2 both sides.

x - 2 = y

y = x - 2

The inverse of y = x + 2 would be y = x - 2, so the inverse of f(x) = x + 2 would be f^-1(x) = x - 2 (f^-1(x) means the inverse of f(x)).

f^-1(x) = x - 2

I hope you find this helpful. :)

3 0
3 years ago
Travis recieved a box of chocolate. He wants to eat one row of chocolate a day.there are 4 chocolates in a row .how many chocola
Korolek [52]

Answer:

24

Step-by-step explanation:

if he eats 4 each day for 6 days, he will eat 24

4 × 6 = 24

3 0
3 years ago
A package of 6 pairs of insulated gloves cost $33.54. What is the unit price of gloves
faust18 [17]
33.54/6 = each globe costs 5.59
6 0
3 years ago
Read 2 more answers
Find the first five terms of the sequence in which a1 = –10 and an = 4an – 1 + 7, if n ≥ 2.
Naddika [18.5K]

Answer:

-10, -33, -125, -493, -1965

Step-by-step explanation:

a1 is -10, meaning the first term is -10. therefore the first term of the sequence has to be -10

7 0
3 years ago
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