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KiRa [710]
3 years ago
15

A company has two large computers. The slower computer can send all the company's email in 60 minutes. The faster computer can c

omplete the same job in 40 minutes. If both computers are working together, how long will it take them to do the job? Do not do any rounding.
Mathematics
1 answer:
Lelu [443]3 years ago
4 0

Answer:

If both computers are working together, it will take 24 minutes to do the job

Step-by-step explanation:

It is given that,

There are two computers.The slower computer can send all the company's email in 60 minutes.

The faster computer can complete the same job in 40 minutes

<u>To find the LCM of 40 and 60</u>

LCM (40, 60) = 120

<u>To find efficiency of 2 computers</u>

Let x be the efficiency of faster computer and y be the efficiency of faster computer

x = 120/40 = 3

y = 120/60 = 2

then, x + y = 3 + 2 = 5

Therefore efficiency of both the computer work together = x + y =5

<u>To find the time taken to work both the computer together</u>

time = 120/5 = 24 minutes

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Wittaler [7]

Answer:

91.46m

Step-by-step explanation:

The length of 100 yard football field in meters.

From the dimension given,

1 yard = 3 feet

Therefore,

100 yard = x feet

1 yard = 3 feet

100 yard = x feet

X = (100 × 3) / 1

X = 300 feet.

But,

1 metre = 3.28feet

X metre = 300 feet

X = (300 × 1) / 3.28

X = 91.46m

Therefore, 100 yard football field is equal to 91.46m

6 0
3 years ago
What is the measure of BC⏜ ? Enter your answer in the box. ° Circle with inscribed angle B D C. Angle B D C is 65 degrees.
Zigmanuir [339]

Answer:

Minor arc BC - 130° (arc at which inscribed angle is subtended)

The major arc BC - 230°

Step-by-step explanation:

Angle BDC is inscribed angle subtended on the arc BC.

The measure of the angle BDC is 65°.

The Central Angle Theorem states that the central angle from two chosen points B and C on the circle is always twice the inscribed angle from those two points.

By the central angle theorem, the measure of central angle BOC (O is the center of the circle) has the measure of

2\cdot 65^{\circ}=130^{\circ}

Hence, the minor arc BC has the same measure as the central angle BOC that is 130°.

The major arc BC has the measure

360^{\circ}-130^{\circ}=230^{\circ}

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3 years ago
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Question 9 of 10
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Answer:

D.

Step-by-step explanation:

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Kari drew two parallel lines PQ and RS intersected by a transversal KL, as shown below.. . Which fact would help Kari prove that
Anon25 [30]

The fact that alternate interior angles MNR and QMN are congruent to each other and vertical angles SNL and MNR are congruent to each other would help Kari prove that the measure of angle QMN is equal to the measure of angle SNL. I am hoping that this answer has satisfied your query and it will be able to help you in your endeavor, and if you would like, feel free to ask another question.

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3 years ago
Three more than five times a number is 38
mario62 [17]
3+5x=38
-3 on both sides
5x=35
divide by 5 on both sides
x=7
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3 years ago
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