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Rufina [12.5K]
3 years ago
11

HELP ME!!!!

Mathematics
1 answer:
Hunter-Best [27]3 years ago
3 0

Answer:

D 8 pizzas

Step-by-step explanation:

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I would like to purchase 20 products at a cost 65.00 per product. what will be my total? your state has 3.5% sales tax
xxTIMURxx [149]
20*65 = 1300
That's the price without tax.
Now to find tax:
1300*.035 = 45.5
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$1345.5 is your total

5 0
3 years ago
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What type of triangle has side lengths 9, 10, and √130? A. obtuse B. not a triangle C. acute D. right
EastWind [94]

Answer: Option C.

Step-by-step explanation:

The lengths of our triangle are:

9, 10 and √130.

If the triangle is a triangle rectangle, by the Pitagoream's theorem we have:

A^2 + B^2 = H^2

in this case H is the larger side, this must be √130.

then:

A and B must be 9 and 10.

9^2 + 10^2 = (√130)^2

81 + 100 = 130

This is false, so this is NOT a triangle rectangle, the hypotenuse is shorter than it should be.

Now, we have some kind of rule:

 if A^2 + B^2 = H^2 then we have one angle of 90° and two smaller ones. (triangle rectangle)

 if A^2 + B^2 > H^2 then all the angles are smaller than 90°, this is an acute triangle.

 if A^2 + B^2 < H^2 then we have one angle larger than 90°, this is an obtuse angle.

(H is always the larger side, A and B are the two shorter ones).

In this case:

81 + 100 > 130

Then this must be an acute angle.

3 0
3 years ago
Jackson has 2,000 baseball cards in his collection. Gabe has 1/10
Paraphin [41]
2,000 x 1/10 = 200. If it's not an answer tell me.
5 0
3 years ago
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Guillermo is a professional deep water free diver. his altitude (in meters relative to sea level), xxx seconds after diving, is
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The first thing you should realize is that this is a quadratic equation and the graph will be a parabola.

We can simply the equation to:

y = (1/20)x^2 - 5x

Now, use -b/2a to find the x-value of the vertex which is 50. Then, input 50 back into the equation to get -125 for the maximum depth.
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3 years ago
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A subway train is traveling at a rate of 22.4 m/s. Brakes are applied and it slows down at a constant rate of 3.5 m/s2 until it
WARRIOR [948]

You use the equation Final Velocity²= (Initial Velocity)² 2(Acceleration)(Distance). You plug in what you have 0²=22.4² X 2(-3.5)(D) and solve for D which is 71.68m or about 72m.

6 0
3 years ago
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