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timofeeve [1]
3 years ago
13

PLEASE HELP! I AM HAVING PROBLEM WITH THESE SET OF PROBLEMS!!! IF YOU GET THEM CORRECTLY YOU WILL EARN 15 POINTS!!!

Mathematics
2 answers:
soldier1979 [14.2K]3 years ago
6 0

Answers:

a = 128

∑ = 11

olga nikolaevna [1]3 years ago
3 0
Answers:
a =  128
<span>∑ = 11</span>
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Look at the box-and-whisker plot.
Marizza181 [45]

i would say B

when it says "the measure", it's refering to where the second quartile is beginning

3 0
3 years ago
Chose the equivelent expression for the scenario. phillip mows lawns fro $15 each. if he moves 6 lawn every week for 8 weeks. ho
Ipatiy [6.2K]

Answer:

15 x 6 x 8

Step-by-step explanation:

total money is cost per lawn times number of lawns per week times number of weeks

cost per lawn is $15

number of lawns per week is 6

number of weeks is 8

so cost total money is 15 x 6 x 8 which is none of them

where did the 20 and 11 come from?

3 0
3 years ago
Two numbers whose sum is 44 and whose product is a maximum
Mashcka [7]

Answer:

x = y = 22

Step-by-step explanation:

It would help to know your math course. Do you know any calculus? I'll assume not.

Equations

x + y = 44

Max = xy

Solution

y = 44 - x

Max = x (44 - x)                    Remove the brackets

Max = 44x - x^2                   Use the distributive property to take out - 1 on the right.

Max = - (x^2 - 44x )               Complete the square inside the brackets.

Max = - (x^2 - 44x + (44/2)^2 ) + (44 / 2)^2 . You have to understand this step. What you have done  is taken 1/2 the x term and squared it. You are trying to complete the square. You must compensate by adding that amount on the end of the equation. You add because of that minus sign outside the brackets. The number inside will be minus when the brackets are removed.

Max = -(x - 22)^2 + 484

The maximum occurs when x = 22. That's because - (x - 22) becomes 0.

If it is not zero it will be minus and that will subtract from 484

x + y = 44

xy = 484

When you solve this, you find that x = y = 22 If you need more detail, let me know.


4 0
2 years ago
4/5 + 1/3 <br><br> Answers should be in format example: 5/2 or 2/5. No decimals or mixed numbers.
spin [16.1K]

Answer:

16/15

Step-by-step explanation:

The LCM of 5 and 3 is 15

4/5 + 1/3 = 12 / 15 + 4 / 15 = 16 / 15

3 0
3 years ago
Read 2 more answers
I suck at math so I'm gunna ask a bunch of questions on this work
Nastasia [14]
It would be c plz mark me brainliest
3 0
3 years ago
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