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3 years ago

13

Identify the % of change as an increase or decrease.

1 answer:

Verizon [17]3 years ago

4 0

It is a percent increase and it increased by 15%

I got this answer by doing 24.61/21.40 which equals 1.15

You can check this answer by doing 21.40 * .15 on a calculator and when you do this you get 3.21 which you can then add back to 21.40 to get $24.61

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What is the formula to get combined mean value

lesya692 [45]

Answer:

The combined mean can be calculated by plugging in our numbers into the formula given: [(57*82)+(23*63)/(57+23)]=76.5

4 0

3 years ago

Terrell brought 42 muffins to school for his birthday He gave one each to the 17students in his class and to the 19 student in t

yan [13]

Answer:

The expression is 42-17-19 OR 42-(17+19).

Step-by-step explanation:

First, we can indicate that we can use subtraction because is giving them away for his birthday.

"He gave one each to the 17 students in his class and to the 19 students in the other third-grade class".

That represents taking away 17 and 19 means that it is subtracting them.

Hope this helps. (:

4 0

2 years ago

Estimate the difference. 9 1/2- 1 6/7

nataly862011 [7]

3.64 is the estimated difference

7 0

3 years ago

find an equation for the nth term of the arithmetic sequence. -15, -6, 3, 12, ... select one: a. an = -15 9(n 1) b. an = -15 x 9

valkas [14]

$-15;-6;\ 3;\ 12;...\\\\a_n=a_1+(n-1)d\\\\a_1=-15;\ a_2=-6\\\\d=a_2-a_1\to d=-6-(-15)=-6+15=9\\\\a_n=-15+(n-1)\cdot9=\boxed{-15+9(n-1)}$

8 0

3 years ago

30 points and brainlest if u can solve this ASAP

gizmo_the_mogwai [7]

Answer:

£265.10

Step-by-step explanation:

200+33.60+31.50=£265.10

<em>42×</em><u>8=336=10%=33.60</u>
<u>15×14=210=15%=31.50</u>

3 0

3 years ago

Read 2 more answers