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Anna007 [38]
3 years ago
8

before school began mrs. weeks bought a total of 86 balls us the information below to help you write a numerical expression​

Mathematics
1 answer:
STALIN [3.7K]3 years ago
3 0

For this case we have that the total of the balls is 86. We know there are 8 footballs then:

Basketball: Two more than twice the number of footballs are basketballs, that is:

2 + 2 (8) = 2 + 16 = 18

There are 18 Basketballs.

Baseballs: Four less than 5 times the number of footballs are baseballs, that is:

5 (8) -4 = 40-4 = 36

There are 36 Baseballs.

Softballs: Six more than half of baseballs are softballs. That is to say:

6+ \frac {36} {2} = 6 + 18 = 24

There are 24 Softballs

If we add we must get 86.

8 + 18 + 36 + 24 = 86

ANswer:

There are 8 Footballs

There are 18 Basketballs.

There are 36 Baseballs.

There are 24 Softballs

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S = 900\pi    in^2

Step-by-step explanation:

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5 0
4 years ago
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Find the mass of a thin triangular plate bounded by the coordinate axes and the line if
sergij07 [2.7K]

The mass of a thin triangular plate bounded by the coordinate axes is 3 3/4.

<h3>How to calculate the mass?</h3>

It should be noted that mass simply means a quantity of matter that's in a body. It's the meaure of the inertia in the body.

In this case, from the complete question, the mass will be:

= 3/1000[1/24x⁴ - 25x² + 1000/3x]

= 15/4

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Learn more about mass on:

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8 0
2 years ago
Eudora ran from her home to her secret laboratory at an average speed of 12\text{ km/h}12 km/h12, start text, space, k, m, slash
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Answer:

Eudora ran for 30 minutes and use the jetpack for 1 hour and 30 minutes

Step-by-step explanation:

Lets call x the time she ran and y the time she was using a jetpack (in hours), we have

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Since it took 2 hours we have that x+y = 2, hence y = 2-x. We can replace y in the equation above, obtaining

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12x-76x = 120-152

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As a result

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4 0
3 years ago
determine the equation of the parabola (simplified) with roots -3+sqrt6 and -3-sqrt6, and passing through the point (-1,4)
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Given:

Roots:

\begin{gathered} -3+\sqrt[]{6} \\ -3-\sqrt[]{6} \end{gathered}

Point: (-1,4)

To determine the equation of the parabola with the given roots and point, we find the missing values first.

Since the roots are given, we can say that the equation is:

y=a(x+3-\sqrt[]{6})(x+3+\sqrt[]{6})

Next, we expand the terms.

y=a(x^2+6x+3)

Then, we plug in x= -1, and y=4 into the equation to get the value of a.

\begin{gathered} y=a(x^2+6x+3) \\ 4=a((-1)^2+6(-1)+3) \\ \text{Simplify and rearrange} \\ 4=a(-2) \\ a=\frac{4}{-2} \\ a=-2 \end{gathered}

So,

undefined

6 0
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