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pishuonlain [190]
3 years ago
11

A company has two large computers. The slower computer can send all the company's email in 45 minutes. The faster computer can c

omplete the same job in 30 minutes. If both computers are working together, how long will it take them to do the job?
Mathematics
1 answer:
tatuchka [14]3 years ago
7 0

Answer

It would take them the same amount of time as it normally took.

Which would be 30 and 45 minutes.

please feel free to ask me some more questions, or clarify.

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The answers ? Plssss I’ll mark u brianliest
frez [133]

Answer:

4. C

5. B

Step-by-step explanation:

4. Circumference = diameter * pi

pi is approximately 3.14

Diameter = 2*radius

Diameter = 2*8 = 16

Circumference = 3.14 (16), so the answer is C.

5. The question asking asking for the surface of the toy box.

Surface area of a cube = 6*the area of one face of the cube = 6 (edge * edge)

Substitute the edge with 2

Surface area of the toy box = 6(2*2) = 6(4) = 24

Surface area is 24 feet squared, so the answer is B

Hope this helps :)

Have an awesome day!!

4 0
2 years ago
Find all points on the curve y = cos x, 0 ≤ x ≤ 2π, where the tangent line is parallel to the line y = -x.
andre [41]

Answer:

90⁰

Step-by-step explanation:

y=cosx

y'= -sinx

eqñ of tangent is y=-x

slope of tangent =-1

we know...

slope of tangent = y' or derivative of y

-sin x = -1

sin x= 1

x = 90⁰

7 0
2 years ago
A map is being reduced to from a pocket sized version. What is the scale factor being used to reduce the map?
Aneli [31]

Answer and explanation:

If a map is being reduced to form a pocket sized version then it is being proportionality reduced a smaller size that is required. Cartographers enlarge and reduce maps proportionally to serve different purposes in their study. The map is still the same but smaller in size.

If on a map 2cm represents 2 meters, that is 0.02/2 which evaluates to 1/100, then we are comparing distance and ensuring they are proportional using scale factor(our scale factor is 1:100 here)

8 0
3 years ago
Please help with 11 and 12
larisa [96]
11.k>-3(4r+3)/4r-5
12.k<(2x+2)/x+3
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storchak [24]
37 she did earn last week.

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3 years ago
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