3 years ago

On which of the following lines does the point (-3,-1) lie?

Mathematics

1 answer:

gregori [183]3 years ago

6 0

I think that it is 5x-1

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A cylinder has radius 2.5 cm and lateral area 20 pi cm^2. What is the surface area of the cylinder in terms of pi?

Novosadov [1.4K]

This is the concept of areas of solid materials; the surface area of the cylinder whose radius is 2.5 cm and lateral area is 20 pi cm^2 will be: Surface area of cylinder is given by:
SA=(area of cyclic sides)+(lateral area)
SA=2πr^2+πrl
Area of the cyclic sides will be:
Area=2πr^2
=2*π*2.5^2
=12.5π cm^2
The lateral area is given by:
Area=20π cm^2
Therefore the surface area of cylinder will be:
SA=(12.5π+20π) cm^2
SA=32.5π cm^2
The answer is 32.5π cm^2

4 0

3 years ago

How much do you need to add to 2 5/8 to make 6

docker41 [41]

Answer:

3 3/8

Step-by-step explanation:

6 minus 2 5/8 equals 3 3/8

3 3/8 plus 2 5/8 equals 6

6 0

3 years ago

Read 2 more answers

21) Jaquan earns $5 per hour raking leaves. He needs at least $170 to buy a new deo game system. Write an inequality that descri

Anna007 [38]

5x>/170
(WORK SHOWN BELOW)

5 0

3 years ago

PLS HELP MEEEEEEEEE pls i make brain

Degger [83]

Answer:

1) 0.75

2) y = $\frac{3}{4}$ x - 3

3) (4, 0); (0, -3)

Step-by-step explanation:

Convert to slope-intercept form (y = mx + b) by solving:

y = $\frac{3}{4}$ x - 3

m is the slope, so $\frac{3}{4}$ or you can write as 0.75.

To find the x and y intercepts, set the y value to zero and solve (x-intercept), and b is the y-intercept.

3 0

3 years ago

Read 2 more answers

Answer all 4 please

FrozenT [24]

1)
$180 - (37 + 90) = 180 - 127 \\ = 53$
2)
$(180 - 15) \div 2 = 165 \div 2 \\ = 82.5$
each of other angles measures 82.5 degrees

3)
$180 - (42 + 20) = 180 - 62 \\ = 118$
4)sorry I don't know the last one

7 0

3 years ago