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rewona [7]
3 years ago
7

Please help, I need it due today and urgently! Please give a small explanation and an answer

Mathematics
1 answer:
Lana71 [14]3 years ago
8 0

Answer:

0=0 1=1   <u> 6<8</u>

Since 6 < 8  0.16 < 0.18

so, the hummingbird weighs more than a nickel

Step-by-step explanation:

6 is less than 8 so therefore .16 is less than .18. The nickel weighs .18 and .16 is less than that.

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What is the diameter of circle T?
Ratling [72]

Answer:

Diameter = 16

Step-by-step explanation:

Given

\theta = 72

Sector = \frac{64}{5}\pi

Required

Calculate the diameter

The area of a sector is:

Area = \frac{\theta}{360} * \pi r^2

Substitute values for Area and \theta

\frac{64}{5}\pi = \frac{72}{360} * \pi r^2

Divide both sides by \pi

\frac{64}{5} = \frac{72}{360} * r^2

Make r^2 the subject

\frac{64*360}{5*72} = r^2

\frac{64*360}{360} = r^2

64 = r^2

Take positive square roots of both sides

\sqrt{64} = r

8 = r

r = 8

The diameter is then calculated as:

Diameter = 2r

Diameter = 2*8

Diameter = 16

5 0
3 years ago
Asap answer plssss!, John can do a piece of work in 6 days. When he and Marsha work together, it takes only 4 days. How long wil
BartSMP [9]

Answer:

12 days

Step-by-step explanation:

Let the amount of work be x.

John:

6 days = x

1 day = \frac{1}{6}x

Together:

4 days = x

1 day = \frac{1}{4}x

Marsha:

1 day = \frac{1}{4}x - \frac{1}{6}x

        = \frac{6}{24}x - \frac{4}{24}x

        = \frac{2}{24}x

        = \frac{1}{12}x

Marsha can do \frac{1}{12} of the work in 1 day.

No. of days taken (Marsha) = x ÷ \frac{1}{12}x

                                             = 12

8 0
3 years ago
How do you solve a quadratic equation by factoring
Darya [45]

Answer:

Step-by-step explanation:

Step 1: Obtain zero on one side and then factor. Step 2: Set each factor equal to zero. Step 3: Solve each of the resulting equations. This technique requires the zero factor property to work so make sure the quadratic is set equal to zero before factoring in step 1.

6 0
3 years ago
Read 2 more answers
The time spent waiting at a traffic light can be considered a random variable with values from 0 seconds, it’s green when you ap
ehidna [41]

Answer:

H = 1/30

H = 0.0333

0.033

Step-by-step explanation:

The time spent waiting at a traffic light can be considered a random variable with values from 0 seconds,

it’s green when you approach and can go on through, to 30 seconds with the following distribution shape

The entire area under the distribution curve must be 1.

Let assume the Shape is rectangle

Given

Time taken from 0s to 30s = 30s - 0s = 30s

To find height of the distribution?

Let H = the height of the distribution

Based on the above assumption;.

H * 30 = 1 --- make H the subject of formula

H = 1/30

H = 0.0333

To three decimal places is 0.033

<h3>Hence, the calculated height of the distribution is 0.033</h3>

4 0
3 years ago
Can you give a reason why a calculator shows 2/3 equal to 0.666666667
frosja888 [35]
This is because 2÷3 = 0 . Six repeating but the Calculator rounds the last 6 to 7 because I can't fit all the repeating sixes in one calculator
6 0
3 years ago
Read 2 more answers
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