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SashulF [63]
2 years ago
10

Lily likes to collect records. Last year she had 10 records in her collection. Now she has 11 records,

Mathematics
1 answer:
lina2011 [118]2 years ago
7 0
The percent of increase is
90%
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Ishi makes $8.50 an hour rolling sushi at kyoto japanese restaraunt his paycheck shows that he worked 20.88 hours over the past
Elanso [62]
$8.50 × 20.88 hrs = $177.48 total earned
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3 years ago
Given the function h(x) = x2 – 7x + 6, determine the average rate of change of
guapka [62]

Step-by-step explanation:

the average rate of change between two input values is the total change of the function values (output values) divided by the change in the input values.

so,

(h(7) - (h(3)) / (7 - 3)

h(7) = 7² - 7×7 + 6 = 49 - 49 + 6 = 6

h(3) = 3² - 7×3 + 6 = 9 - 21 + 6 = -6

7 - 3 = 4

(6 - -6)/4 = 12/4 = 3

the average change rate in that interval is 3 (or fully 3/1).

4 0
2 years ago
-x+ y = 12<br> x-2y=3<br><br> Please help
grigory [225]

Answer:

x=-27, y=-15

Step-by-step explanation:

In the attached file

7 0
2 years ago
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A school paid $31.25 for each calculator. If the school bought x calculators, how much did they pay?
Katyanochek1 [597]

Answer:

31.25×

Step-by-step explanation:

suppose that the value of x was 3 . that would mean that they bought 3 calculators .

if one calculator is $31.25 then 3 would be $31.25× 3

the same rule would apply for x

7 0
3 years ago
Find the sum of the series if n = 6, r = 1/4, a = 2.
emmasim [6.3K]

Given =

n=6,

r=1/4

a=2

Sn = a+ar+ar²+ar³+ar⁴+ar⁵= 2+0.5+0.125+0.03125+0.0078125+0.00195~ 2.67

4 0
2 years ago
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