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3 years ago

PLEASE HELP!!!!! will mark brainliest!!!!!

Mathematics

2 answers:

Liula [17]3 years ago

8 0

.............. .....................

PSYCHO15rus [73]3 years ago

5 0

Answer:

x y

4 7

5 -1

6 -9

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-3/4 + 1 1/4 plssss help me !!

GaryK [48]

$\text {Hey! Let's Solve this Problem!}$

$\text {The First Step is to Convert 1 1/4 into an Improper Fraction:}$

$\text {Multiply 1*4 and get 4. Now add 1 and get 5.}\\\text {1 1/4 = 5/4}$

$\text {The Final Step is to Add:}$

$\text {-3/4+5/4=}$

$\text {Your Answer would be:}$

$\fbox {1/2}$

$\text {Best of Luck!}$

$\text {-LimitedX}$

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3 years ago

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How to solve the proportion

Bezzdna [24]

So you want to cross multiply. then it would be 3x=25 then divide by 3 isolating x. x=25/3

3 0

3 years ago

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The side length, s, of a cube is 3x + 2y. If V = s3, what is the volume of the cube?

Thepotemich [5.8K]

V = (3x + 2y)³ = (3x + 2y)(3x + 2y)(3x + 2y)
V = (9x² + 12xy + 4y²)(3x + 2y)
V = 27x³ + 36x²y + 12y²x +18x²y + 24xy² + 8y³
V = 27x³ + 54x²y + 36y²x + 8y³

6 0

3 years ago

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If the ratio of the triangular pyramids' surface areas is 4:9, what is F?

VladimirAG [237]

Answer:

The answer to your question is f = 10.35 in

Step-by-step explanation:

Data

Proportion = 4:9

height 1 = 4.6 in

height 2 = f

Process

1.- Write the proportion

$\frac{4}{4.5} = \frac{9}{f}$

2.- Solve for f

$f(\frac{4}{4.6}) = f(\frac{9}{f})$

$f(\frac{4}{4.6}) = 9$

$4.6\frac{4f}{4.6} = 9(4.6)$

4f = 41.4

$\frac{4f}{4} = \frac{41.4}{4}$

f = 10.35 in

4 0

3 years ago

What is the distance between the points (4, -2) and (-1, 10)?

Tju [1.3M]

Answer:

13 units.

Step-by-step explanation:

We can find distance between points by using the following formula:

$\sqrt{(change in x)^2+(changeiny)^2}$

The change in x is -5, and change in y is 12. Let's apply this to the formula.

$\sqrt{(-5)^2+(12)^2}$ . Evaluate this, and we get 13.

Hope this helped!

5 0

3 years ago