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maksim [4K]
3 years ago
7

Calculator

Mathematics
1 answer:
frez [133]3 years ago
5 0

Answer:

x=90=9.49

Step-by-step explanation:

compare with yours

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For the function {(2, 4), (3, 5), (4, 6), (5, 7)}, what is the domain?
sammy [17]

Answer: Domain:

{

1

,

3

,

4

,

6

,

8

}

Step-by-step explanation:

The domain is the set of all the values of

x

.

6 0
3 years ago
One of your friends is testing the effect of drinking coffee on the duration of cold symptoms. The common cold lasts, on average
Nonamiya [84]

Answer:

0.0930

Step-by-step explanation:

Given that one of your friends is testing the effect of drinking coffee on the duration of cold symptoms. The common cold lasts, on average, 6 days.

she tests a one-sided alternative about the population mean cold duration when drinking coffee, H0: μcoffee = 6 Ha: μcoffee < 6 She finds z = −1.68 with one-sided P-value P = 0.0465.

If hypotheses changed to two tailed as:

H_0: \mu_{coffee}  = \mu_{tea}\\H_a: \mu_{coffee}\neq \mu_{tea}

(Two tailed test)

Since we have mean difference and std error the same, test statistic would remain the same.

p value for two tailed would be = twice the p value for one tail

=2(0.0465)\\= 0.0930

6 0
3 years ago
50 POINTS!!! I have this question in geometry, but I don't know how to answer it! This is the scenario:
Neko [114]

Answer: To solve this question, you would first measure yourself and your self and your shadow, and then the shadow of the tower while the sun is in spot in the sky, you will then use the ratio (your height/your shadow) = (towers height/ towers shadow)

You will then cross multiply and divide to find the towers height

Step-by-step explanation:

3 0
3 years ago
tim brought a car 25000 and it depreciation $350 per year. What is the value of the car after 6 years?
blondinia [14]

Answer:

22900

Step-by-step explanation:

multiply 350 by 6 and get 2100

subtract 2100 from 25k and get 22900

6 0
3 years ago
Read 2 more answers
A minibus drives 101 km in 1 hour. What is its average speed in kilometers per hour?
tekilochka [14]

Answer:

Step-by-step explanation:

Average speed is distance divided by time.

s=(101km)/(1hr)

s=101 km/hr

4 0
3 years ago
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