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alexandr402 [8]
3 years ago
6

Please I need this ASAP

Mathematics
2 answers:
vlabodo [156]3 years ago
8 0

Answer:

Step-by-step explanation:

Where is Ac leath

yawa3891 [41]3 years ago
3 0

Answer:

26 cm

Step-by-step explanation:

just use Pythagoras theorem

c2 = a2 + b2

c2 = 10^{2} + 24^{2}

c2 = 100 + 576

c2 = 676

shift the square to the other side and it becomes a square root

c = \sqrt{676}

c = 26

AC = 26 cm.

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kendra biked 10kilometers on monday .she biked twice as many kilometers on tuseday how many total meters did she bike
hram777 [196]

Answer:

10km+10km*2 = 30km

30km*(1000m/1km) = 30000m

In the second equation of the problem, the kilometers from the initial total distance biked is cancelled out by the conversion of kilometers to meters, as seen in the 1000m/1km (or 1000 meters for every 1 kilometer).

Read more on Brainly.com - brainly.com/question/454009#readmore

Step-by-step explanation:

5 0
3 years ago
An angle that is supplementary to an angle that measures 42° would measure _____°.
Ede4ka [16]
Supplementary angles add up to 180 degrees. to find one just subtract. 
180- 42= 138
7 0
3 years ago
Which image shows a translation of the green quadrilateral JKLM three units to the right and one unit down?
podryga [215]

Answer:

The second option shows the correct translation of 3 units to the right and 1 unit down.

8 0
3 years ago
Read 2 more answers
A research scientist wants to know how many times per hour a certain strand of bacteria reproduces. The mean is found to be 9.8
svetlana [45]

Answer:

The 99% confidence interval for the true mean number of reproductions per hour for the bacteria is between 9.6 and 10.

Step-by-step explanation:

We have that to find our \alpha level, that is the subtraction of 1 by the confidence interval divided by 2. So:

\alpha = \frac{1-0.99}{2} = 0.005

Now, we have to find z in the Ztable as such z has a pvalue of 1-\alpha.

So it is z with a pvalue of 1-0.005 = 0.995, so z = 2.575

Now, find the margin of error M as such

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In which \sigma is the standard deviation of the population and n is the size of the sample.

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The lower end of the interval is the sample mean subtracted by M. So it is 9.8 - 0.2 = 9.6 reproductions per hour.

The upper end of the interval is the sample mean added to M. So it is 9.8 + 0.2 = 10 reproductions per hour.

The 99% confidence interval for the true mean number of reproductions per hour for the bacteria is between 9.6 and 10.

8 0
2 years ago
Find the length of the arc of a circle with radius of 20 centimeters intercepted by a central angle of 45 degrees
oksian1 [2.3K]

If the radius is 20cm, the circumference is

C = 2\pi r = 40\pi centimeters.

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\dfrac{40\pi}{8} = 5\pi

8 0
3 years ago
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