How would I set up an equation for this problem?"The cost per month of making n number of wooden toys is C = 3n + 30. The income from selling n toys is I = 6 n. How many toys must the company make to get a profit?"

Answers

Answer 1

Answer: it would be 67 for the income

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how to find the volume of each sphere, both in terms of \pi and the nearest tenths for r=3 use 3.14 for \p.

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Volume formula of a sphere:
$(4)/(3)$ $\pi$ r³

given:
r = 3

V = $(4)/(3)$ $\pi$ (3)³
V = $(4)/(3)$ × 27 $\pi$
V = 36 $\pi$ units³ (in terms of $\pi$ )
V = 113.097 units³ ≈ 113.1 units³

Can anyone answer these math problems ? can u plz show work

Answers

To me they look all answered...

Evaluate 3|-3|
if you could do it step by step I’d appreciate

Answers

Answer:

Step-by-step explanation:

the absolute value of -3 is 3

so; 3*|-3| =3*3 =9

~~~15 POINTS~~~
Please help me with these two questions.

Answers

This is what I think:
The first one, you take (x,y) both times 3
A(1,1) to A(3,3)
B(-1,1) to B(-3,3)
C(1,-1) to C(3,-3)
D(-1,-1) to D(-3,-3)

The second one, you take (x,y) both times 2
A(4,1) to A(8,2)
B(4,3) to B(8,6)
C(1,2) to C(2,4)

That is how I think you do it. I hope that I helped you.

17)
Find the length of the side of the smaller square. So subtract the x-values from each other.
1-(-1)=2
The length of the square is 2.

Now find the length of the bigger square.
3-(-3)=6 (You can also just count the units between the two points.)

Now divide the length of the bigger triangle by the length of the smaller triangle to find the scale factor used to dilate the object.

$(6)/(2)={\boxed{3}$

The scale factor is 3.

18)
Find the base of the larger triangle.
The y-value for point B is 6 and the y-value for point A is 2. Just subtract to find the length of BA.
6-2=4

Now find the base of the smaller triangle.
The y-value for point B is 3 and the y-value for point A is 1. Just subtract to find the length of B'A'.
3-1=2

Divide the base of the smaller triangle by that of the larger triangle.

$(2)/(4)={\boxed{(1)/(2)}$

The scale factor is 1/2.
_____________________________________________________

Now you might be wondering why I divided the smaller triangle by the larger one but I didn't follow the same procedure for the squares. If you look closely, the smaller triangle is the new figure after the scale factor dilation while the larger square is the new figure after the scale factor dilation. Just look at the coordinates. The coordinates for a changed figure always has an apostrophe at the end of it. The bigger square in question 17 has the apostrophes so I knew that the larger square was the new figure after the dilation. And the smaller triangle in question 18 has the apostrophes so I knew that the smaller triangle was the new figure after the dilation.

My daughter needs help with homework.

Answers

Just find the a common denominator between the two fractions and then add across

For example on the first one i'm going to turn each fraction into an improper fraction by multiplying the whole number by the denominator then adding that number to the numerator

2 1/8 = 17/8
4 2/3 = 14/3

Then multiply the denominators together to get 24 - this is the common denominator (24)

Figuring out the numerator is more complex - figure out what number needs to be multiplied to the original denominator that makes it 24 - then multiply that to the numerator. Add the two products and the answer should be 163/24.

This could be dead wrong because the number next to the fraction could be multiplying in - in that case the answer is 35/12 and has a completely different set of steps.

Sergio has p paintings in his art collection. He and other local painting collectors agreed to donate a total of 48 paintings to the local museum. Each of the 12 collectors will donate the same number of paintings. How many paintings will Sergio have in his art collection after his donation? Write your answer as an expression.

Answers

Since there are 48 paintings being donated by 12 collectors, then we can say that each collector will donate 4 paintings.

This means that Sergio will have 4 less paintings then he had before, which was represented by $p$ . Thus, our expression is now $\boxed{p - 4}$ .

The number of paintings Sergio will have in his art collection after his donation is p - 4

Given:

Number of Sergio's paintings = p

Total number of paintings to donate = 48

Number of collectors to donate (including Sergio) = 12

Number of paintings donated by each collector = Total number of paintings to donate ÷ Number of collectors to donate

= 48 ÷ 12

= 4 paintings per collector

Therefore,

Number of paintings Sergio will have in his art collection after his donation = Number of Sergio's paintings - Number of paintings donated by each collector

= p - 4

brainly.com/question/19594805

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