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3 years ago

SOMEONE Please HELP me out with theses 2

Mathematics

2 answers:

lilavasa [31]3 years ago

5 0

#2 is b, and the answer I found to #3 is A I hope this helps

olchik [2.2K]3 years ago

4 0

Hello!

The answer for #1. is 4 centimeters, because it is the only reasonable answer.
The answer for #2. is 1 millimeter, because the tick is smaller than the penny, which is smaller than any of the other lengths.

I hope this helped :))

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There are 12 students in a class who are performing at the school concert. This represents 40%of the class. How many students ar

Fiesta28 [93]

Answer:

Step-by-step explanation:

Students performing in the school concert=40%

let the students in the class be x

hence 40% of the class=12

where 40%=40/100=4/10=2/5 and of means multiplication

(2/5)*x=12

multiplying both sides by 5/2

hence the equation becomes

x=12*5/2

x=60/2

x=30

so the total students in the class are 30

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3 years ago

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Which is not an equation of the line going through (6,7) and (2,-1) A. y-7=2(x-6) B. y=2x-5 C. y-1=2(x+2) D. y+1=2(x-2)

nikdorinn [45]

Answer:

C. y-1=2(x+2)

Step-by-step explanation:

A. y-7=2(x-6)-point slope form: y-y1=2(x-x1)-coordinate point: (x1,y1)=(6,7)

Now let's check that the other point works-just sub in the coordinates for the x and y variables.

y-7=2(x-6)\\-1-7=2(2-6)\\-8=2(-4)\\-8=-8

So answer choice A. goes through both points, so no.

B. y=2x-5-slope-intercept form, so just sub in both sets of coordinates separately to see if they each work.

y=2x-5\\7=2(6)-5\\7=12-5\\7=7\\equal

y=2x-5\\-1=2(2)-5\\-1=4-5\\-1=-1\\equal

Both work, so no.

C. y-1=2(x+2)-point slope form that gives us first coordinate set--(-2,1)

Except that the point is actually (2,-1) not (-2,1). That means that answer choice C is not an equation of the line thaat goes through (6,7) and (2,-1), so yes.

D. Anyway, if we check D--y+1=2(x-2)--coordinate point given: (2,-1), which is correct, so no.

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3 years ago

the monthly rent for an 800 square foot office is $975. For an 1100 square foot office, the rent is $1125. Write and solve a lin

IgorC [24]

For 300 more square feet the rent is $150 more.
Rent per additional square foot is 150/300 or 0.50.
For an additional 400 square feet the rent is an additional 400(0.50) or $200.
The rent for 1500 feet squared office is $1325.

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3 years ago

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Suppose you are making granola bars with 3 cups of oats. How much quinoa, flaxseed, and soy protein would you use would you need

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