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3 years ago

A system of linear equations is graphed below.

Mathematics

1 answer:

Aliun [14]3 years ago

8 0

Answer:

probably (20,20) if the equation is asking for were the points intersect. the intercept at (20,20)

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The 8th Grade wants to raise money for a field trip that costs $800. 15 students are in charge of fundraising. What is the minim

maksim [4K]

Answer: $54.35

Step-by-step explanation:

If each one of the 15 students raises the same amount, let's define this amount by the variable X, then the total amount they will collect is 15 times X, or:

15*X

And the minimum amount they need to collect is $800

Then we will have the inequality:

15*X ≥ $800

Now we can divide both sides by 15 to get the minimum amount that each student needs to raise:

(15*X)/15 ≥ $800/15

X ≥ $54.33...

Where we should round up the right number to $54.35, because we can not have a $0.0333... and if we round down, they would collect less than $800.

Then the inequality is:

X ≥ $54.35

This means that the minimum amount that each one of the 15 students needs to collect is $54.35

7 0

3 years ago

How to write in standard form

Lilit [14]

Wen you write in standard form, that means you're writing it in number form. For example, instead of writing "eighty-two", you'll write "82". ;-)

6 0

4 years ago

A triangular prism. The rectangular sides are 2.5 millimeters by 8 millimeters, 8 millimeters by 6.5 millimeters, and 8 millim

allsm [11]

Answer:

The triangular prism shown has 2 triangular faces and 3 lateral faces.

The triangles are on the ends, and there are three rectangular faces, which are the "lateral" faces because they're not bases.

The area of one triangular face is 7.5 square millimeters.

Area of triangle = 1/2 b*h = 1/2* 6*2.5 = 1/2*15 = 7.5 square millimeters

The surface area of the triangular prism is 135 square millimeters.

Lateral face area = the sum of the three lateral faces. = 8*6.5 + 8*2.5 + 6*8 = 120 square millimeters

Surface area = 2(triangle area) + sum of lateral faces = 2(7.5) + 120 = 135 square millimeters

5 0

4 years ago

Read 2 more answers

Mary owned n sheep and Sam had exactly 4 times as many sheep as Mary.

Veseljchak [2.6K]

Answer:

The least value of n is, 9.

Step-by-step explanation:

Mary(M) owned the number of sheep is n i.e, M = n sheep

Sam(S) had exactly four times as many sheep as Mary , i.e, S = 4 n sheep

As per the given condition Mary buys 17 extra sheep

Now, Mary has total number of sheep, M = n +17 sheep

And Sam sells 8 of his sheep that means he has now,

But, Sam still has more sheep than Mary i.e,

Solve an inequality:

Add 8 both sides we get;

Simplify:

Now, subtract n from both the side, we get;

Simplify:

Since n is the number of sheep in integer,

then the least value of n is, 9.

8 0

3 years ago

Read 2 more answers

Find the value of s² ( 20 - √ t) when s=2 , t=9

miv72 [106K]

Answer:

(2^2)(20−√9) =68

Step-by-step explanation:

5 0

3 years ago