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4 years ago

I have a set of numbers 125, 200, 150, 75, 275, & 300 what is the most reasonable interval answer choices 5,10,25 & 100

Mathematics

1 answer:

il63 [147K]4 years ago

5 0

I would say 25 because every number is divisible to an integer by 25 not all are divisible by 100 5 and 10

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Find the area and perimeter. The area is ... and the perimeter is ...

Anarel [89]

Answer:

Area: $17a^2b$

Perimeter: $P = 10a^2+10b$

Step-by-step explanation:

Area

The area of the entire rectangle that is 4b by $a^2+3a^2+a^2 = 5a^2$ is found using A = l*w. If w=4b and l= $5a^2$ then the area is:

$A=l*w\\A=5a^2(4b)\\A=20a^2b$

However there is a cutout in the middle. Find the area of the cut out and subtract from the total area.

The cutout is $3a^2$ by b. So the area is:

$A=l*w\\A=3a^2*b\\A=3a^2b$

Subtract $20a^2b - 3a^2b = 17a^2b$

Perimeter

The perimeter is the distance around the entire figure. To find it, add each side length. Then add like terms together.

$P = a^2 +b + 3a^2 + b +a^2+4b+5a^2+4b\\P = 10a^2+10b$

4 0

3 years ago

Simplify the expression 6(-5n + 7)

Hunter-Best [27]

6(-5n+7)=0

We simplify the equation to the form, which is simple to understand

6(-5n+7)=0

Reorder the terms in parentheses

+(-30n+42)=0

Remove unnecessary parentheses

-30n+42=0

We move all terms containing n to the left and all other terms to the right.

-30n=0-42

We simplify left and right side of the equation.

-30n=-42

We divide both sides of the equation by -30 to get n.

n=1.4

Hope this helps!

7 0

3 years ago

Read 2 more answers

How to solve using perfect square x^2-4x-32=0

zmey [24]

$Perfect\ square:(a-b)^2=a^2-2ab+b^2\\\\x^2-4x-32=0\ \ \ \ |add\ 32\ to\ both\ sides\\\\x^2-4x=32\\\\x^2-2x\cdot2=32\ \ \ \ |add\ 2^2\ to\ both\ sides\\\\x^2-2x\cdot2+2^2=32+2^2\\\\(x-2)^2=32+4\\\\(x-2)^2=36\iff x-2=-\sqrt{36}\ or\ x-2=\sqrt{36}\\\\x-2=-6\ or\ x-2=6\ \ \ \ |add\ 2\ to\ both\ sides\\\\\boxed{x=-4\ or\ x=8}$

5 0

3 years ago

PLEASE HELP MEEEEEEEEEEEEEEEEEEEe

GREYUIT [131]

Answer:

See below ~

Step-by-step explanation:

For the question with colored rectangles, it asks to find the area.

The area can be found by multiplying the dimensions of the rectangle.

Blue rectangle :

A = 10 ft. x 6 ft.
A = 60 ft²

Green rectangle :

A = 12 cm. x 8 cm.
A = 96 cm²

Question 13 :

Here, we are given 2 rows and 7 columns
Take them as the dimensions
Hence, area = 2 x 7 = 14 square units

8 0

3 years ago

MARIA IS GOING FOR A RUN. AFTER 20 MINUTES, SHE HAS

Kruka [31]

Answer:

7.25

Step-by-step explanation:

i think im not sure tho

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3 years ago