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Lesechka [4]
3 years ago
14

Question 14

Mathematics
1 answer:
bekas [8.4K]3 years ago
5 0
The total will be $19.72 with 20% so she will get back $30.28
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Write an equation and solve.<br> How opd am I if 400 reduced by 2 times my age is 244?
seropon [69]

Answer:

78

Step-by-step explanation:

x = your age

400 - 2x = 244

subtract 400 from both sides of the equation:

-2x = -156

divide both sides by -2:

x = 78

4 0
2 years ago
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What is the order of this matrix?
myrzilka [38]

Answer:

I do

Step-by-step explanation:

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3 years ago
Lucia knows the fourth term in a sequence is 55 and the ninth term in the same sequence is 90. Explain how she can find the comm
Andreyy89
Using the formula for the nth term of an arithmetic progression.
an = a + (n - 1)d
a(4) = a + 3d = 55
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From a(4): a = 55 - 3d = 55 - 3(7) = 55 - 21 = 34

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3 years ago
Jonathan records how 90 pupils travelled to school on one day and represents this information on the pie chart below.
xeze [42]

Answer:

86.4

Step-by-step explanation:

First adding up all the percentages on the chart you get 360

Then figuring out what 24° of 360 is

You then get 86.4

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2 years ago
HELP ME ASAP LAST PROBLEM
igomit [66]
The rate of change is -2 :)

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2 years ago
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