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Amanda [17]
2 years ago
7

I need help on some math (the ones that are circled)

Mathematics
1 answer:
vagabundo [1.1K]2 years ago
4 0

Answer:

Number 7 is 34.56in

Step-by-step explanation:

First:  Label each side Ex: Left side:

                                           Top:

                                            Bottom:

                                            etc.

Second: Find the area of each side

Third: add them together

P.S. since this was a perfect cube, you could've also just found the area of 1 side then multiplied by 6:)

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Just give me the answer
Hoochie [10]

Answer:

1/32768

Step-by-step explanation:

I don't know how to explain it to you. I am sorry.

8 0
3 years ago
Please solve the worksheet. (factoring trinomials)
Vesnalui [34]

Answer:

1. (x+3)(x+1)

2. (m+4)(m+8)

3. (r-2)(r-1)

4. (x-5)(x-1)

5. (x-7)(x-3)

6. (x-11)(x-11)

7. (t-6)(t+2)

8. (p-8)(p-8)

9. (x-1)(x-9)

10. (x+5)(x+1)

11. (a+9)(a-1)

12. (y-8)(y+1)

13. (x-3)(x+1)

14. (y+13)(y+1)

15. (m+5)(m+4)

16. (x+10)(x+2)

17. (a-12)(a-2)

18. (y+9)(y+2)

19. xy(x+2+y) i think

20. ab(a-4+4b)

21. xy(x+6-7y)

5 0
3 years ago
A line passes through the point (0,2) and has a slope of -1/2 what is the equation of the line
emmasim [6.3K]

Answer:

y = -1/2x + 2

Step-by-step explanation:

A line in slope-intercept form in y = mx + b

"m" is the slope

"b" is the y-intercept

x and y represent points on the graph

To write an equation, you need "m" and "b".

We already know m = -1/2

The point (0, 2) is the y-intercept. The y-intercept occurs when x = 0.

Points are in the form (x , y), so x = 0 and y = 2.

Therefore b = 2.

Substitute m = -1/2 and b = 2 into the equation:

y = mx + b

y = -1/2x + 2

5 0
3 years ago
A phone costs $50 and goes on sale for 20% off. Select the amount that was discounted as well as the final price after the sale.
Afina-wow [57]

Answer:

40% because every 10$ = 20%

Step-by-step explanation:

6 0
3 years ago
Write the equation of the line in slope intercept form Slope=-4 Point=(2,-4)
Andrei [34K]

Answer:

y=2x-8

or

f(x)=2x-8

Step-by-step explanation:

To write in slope-intercept form using this information, first use the point slope formula.

y-y1=m(x-x1)

m is slope.

y+4=2(x-2)

Use distributive property on the right side.

y+4=2x-4

Now, subtract 4 from both sides.

y+4-4=2x-4-4

y=2x-8

Written using function notation:

f(x)=2x-8

Hope this helps!

If not, I am sorry.

5 0
2 years ago
Read 2 more answers
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