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3 years ago

I need help with my homework plis Box Plots

Mathematics

1 answer:

kolbaska11 [484]3 years ago

8 0

Median 80 I forgot how to do the rest sorry

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SVEN [57.7K]

Answer: 6.67

Step-by-step explanation:

Using the similarity theory, we get the equation

5/30 = BM/40

BM = 5*40/30 = 20/3 = 6.67

Answer number 2

6 0

2 years ago

a bird flies from the bottom of a canyon that is 62 2/5 feet below sea level to a nest that is 556 2/5 feet above sea level. wha

Serggg [28]

im so sorry. U_U *tears fall*

6 0

3 years ago

Solve this problem out

Virty [35]

Option C

When $(2x - 3)^2$ is subtracted from $5x^2$ then the result is $x^2 + 12x - 9$

<h3>Solution:</h3>

Given that $(2x - 3)^2$ is subtracted from $5x^2$

We have to find the result

Subtraction is a mathematical operation that tells us the difference between two numbers.

When "a" is subtracted from "b", we write in mathematical expression as "b - a"

So $(2x - 3)^2$ is subtracted from $5x^2$ is written mathematically as:

$\rightarrow 5x^2 - (2x - 3)^2$

Expanding the above expression using algebraic identity:

$(a-b)^2 = a^2 - 2ab + b^2$

$\rightarrow 5x^2 - ((2x)^2 -2(2x)(3) + (3)^2)\\\\\rightarrow 5x^2 - (4x^2 - 12x + 9)$

Multiplying the nnegative sign with terms inside bracket

There are two simple rules to remember:

When you multiply a negative number by a positive number then the product is always negative.

When you multiply two negative numbers or two positive numbers then the product is always positive.

$\rightarrow 5x^2 - (4x^2 - 12x + 9)\\\\\rightarrow 5x^2 - 4x^2 + 12x -9\\\\\rightarrow x^2 + 12x - 9$

Hence the result is: $x^2 + 12x - 9$

3 0

3 years ago

2(x-3)+5>39 Please explain how to get it!

ollegr [7]

Answer: x > 20

Step-by-step explanation:

first, i removed the parentheses.

2x - 6 + 5 > 39

then i calculated it.

2x - 1 > 39

then, i moved the constant to the right.

2x > 39 + 1

then, i added the two.

2x > 40

finally, i divided both sides.

solution: x > 20

8 0

3 years ago

Read 2 more answers

30p questions hurry need your help pleaseeee!!

Ber [7]

Yes she can find the average colour by adding up all the amount of colors by how many colors there are.

6 0

3 years ago

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