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2 years ago

WILL BE MARKED BRAINLIEST!!!! x-y=4 How do you get the y alone?

Mathematics

1 answer:

yanalaym [24]2 years ago

5 0

The answer is y = x-4.

Step-by-step explanation:

The given expression is x-y=4
Keep y alone on one side and move remaining terms to the other side.

⇒ -y = 4-x

To have y alone, Multiply the above expression with -ve sign on both sides.

⇒ y = x-4

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Maria releases a javelin 1.5 meters above the ground with an initial vertical velocity of 22 meters per second. How long will it

Korolek [52]

The javelin will hit the ground 14.66 or 15 seconds upon Maria's release from the said distance. The computation are as follows:

time = distance/speed (d/m)
time = 22 meters/second / 1.5 meters
time = 14.66 seconds or 15 seconds

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3 years ago

What are the greatest commom factor of 2x2x3x5 and 2x3x3x5

butalik [34]

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3 years ago

Read 2 more answers

Please help!! MathsWatch, Surd Expressions, Clip 207c

dexar [7]

Answer:

$A=(72+36\sqrt{3})\ mm^2$

Step-by-step explanation:

see the attached figure with letters to better understand the problem

Let

a ----> the height of rectangle in mm

b ---> the base of rectangle in mm

step 1

Find the base of rectangle

$b=AB+BC+CD+DE$ ----> by segment addition postulate

substitute

$b=3+3+3+3=12\ mm$

step 2

Find the height of rectangle

$a=FB+CG+GH$ ---> by segment addition postulate

substitute the given values

$a=3+CG+3\\a=6+CG$

Find the length sides CG

Applying the Pythagorean Theorem

$BG^2=BC^2+CG^2$

substitute the given values

$6^2=3^2+CG^2$

$CG^2=6^2-3^2$

$CG=\sqrt{27}\ mm$

simplify

$CG=3\sqrt{3}\ mm$

therefore

$a=(6+3\sqrt{3})\ mm$

step 3

Find the area of rectangle

$A=ab$

we have

$a=(6+3\sqrt{3})\ mm$

$b=12\ mm$

substitute

$A=(6+3\sqrt{3})(12)=(72+36\sqrt{3})\ mm^2$

8 0

3 years ago

Find all solutions by factoring. c? + 13c + 40 = 0

Karolina [17]

Answer: c = -5, -8

Step-by-step explanation:

c^2 +13c+40=0

(c+5)(c+8)=40

c = -5, -8

3 0

3 years ago

HELP what is the equation of the lines in slope - intercept form

34kurt

Answer:

y=7x

Step-by-step explanation:

slope intercept form is y=mx+b.

m is the slope (rise over run) and b is your y- intercept. you leave y as it is. if the line is going down, you have a negative slope. hope this helped :)

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2 years ago