Can someone please help I'm trying to get my grade up but I'm struggling

Mathematics

2 answers:

melamori03 [73]3 years ago

6 0

1. B
2. D I'm not sure about this one
3. A
4. C
5. C
6. B
7. -9
8. 1
9. -2
10. 5
Hope this helps! I'm sure about all except for number 2!

Leya [2.2K]3 years ago

3 0

For all of them? If you need me to explain any of these please ask!
1. B
2. D (you can never divide by zero)
3. A
4. C
5. C
6. B
7. -9
8. 1
9. -2
10. 5 something minus a negative number turns it into addition.

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likoan [24]

Answer: 230cm²

Step-by-step explanation:

>We can do this by splitting the figure into 2 trapeziums.

>Additionally, you can see that both trapeziums bear the same lengths a and b. Hence, we can use this formula: $\frac{1}{2} * (a+b) * (total height)$ .

>Thus,

Area = $\frac{1}{2} *(7+16)*20=230$

4 0

1 year ago

Read 2 more answers

WRITE Which solid has a greater volume: cone with a base radious of 7 centimeters and a height of 28 centimeters or a pyramid Wi

Mumz [18]

The pyramid has a greater volume.
The volume of the cone is 1436.7 ( to 5 sf )
The volume of the pyramid is 1437.3 ( to 5 sf )
Both of them is 1440 when rounded off to 3 sf. However , the volume of the pyramid is greater.
( so sorry I can’t explain well but I hope it helps )
The solution is in the picture:) hope you understand better!! Sorry if It’s confusing