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3 years ago

7

21-35aFactor the following expression

1 answer:

erica [24]3 years ago

4 0

Answer:

7x(3-5a)

Step-by-step explanation:

21-35a =

to find a minimum common multiply you have to rationalize the number with the same numer, and this number must be a whole, this will help you to write the expression easier, if you notice that 21 and 35 are familiar of 7, then you can find a common factor, to multiply your expression

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The surface area of the solid is about ____ inches squared

Dafna11 [192]

Answer:

Surface area of the whole figure $= 320.28inch^2$

Step-by-step explanation:

The surface area of the figure :

Surface area of the cylinder(excluding top)+Surface area of the cone(excluding bottom)

Radius of the cylinder=3 inch and Height of cylinder=13 inch

Surface area of the cylinder with one circular face

$=2\pi rh+\pi r^2$

As, $\pi =\frac{22}{7}= 3.14$

$=(2*3.14*3*13)+(3.14*3*3)\\\\=244.92+28.26\\\\=273.18inch^2$

Surface area of the cone excluding base:

$=\pi *r*l$

l= slant height=5 inch r= radius= 3 inch

Surface area of the cone = $3.14*3*5$

$=47.1inch^2$

Total surface area of the whole figure $=273.18+47.1$

$= 320.28inch^2$

5 0

3 years ago

jeremy has a job packing boxes in a warehouse. Jeremy must pack 20 boxes each day that he works to meet quota. He can pack 4 box

eimsori [14]

Answer:

Yes he has enough boxes to meet quota.

Step-by-step explanation:

4 x 8 = 32 This is over what he is requried to meet quota he is at quota.

7 0

3 years ago

Read 2 more answers

Simplify the following expression:<br> 4(x+10)-3x-2-x

Ilia_Sergeevich [38]

4x+40-3x-2-x
(4x-3x-x)=4x-4x=0
(40-2)=38
The answer will be 38

6 0

4 years ago

4’1” - 1’ 10” whats is

cluponka [151]

Since inches are out of 12 this would be

4 ft - 1 ft = 3 ft

3' 1" - 1 " = 3 '

3 feet is also 2 ft and 12 inches

2' 12" - 9 " = 2' 3"

So the answer is 2 feet and 3 inches

Hope this helps

-GoldenWolfX

7 0

4 years ago

Macy's offers a shirt at the price $ 100 . Then one week later, they offer the shirt at 15 % off. The shirt still doesn't sell,

lesya692 [45]

Answer:

$ 68.

Step-by-step explanation:

Original price 100

reduce price 15% ( leaving it at 85% of original price ) = 100 * .85

reduce it further 20%

100 * .85 * .80 = $ 68

5 0

2 years ago