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3 years ago

8 5/9 + 3 5/6 + 6 4/9

Mathematics

1 answer:

notsponge [240]3 years ago

3 0

Answer:

the answer is 18 5/6 may i have a brilliant

Step-by-step explanation:

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3 + x + 1 = 2<br><br> Thank you :)

Lina20 [59]

Answer:

x = -2

Step-by-step explanation:

Please mark Brainliest when able, for showing work.

8 0

3 years ago

Mileage tests are conducted for a particular model of automobile. If a 98% confidence interval with a margin of error of 1 mile

Llana [10]

Answer: 37

Step-by-step explanation:

Given : Significance level : $\alpha:1-0.98=0.02$

Critical value : $z_{\alpha/2}=z_{0.01}=2.33$

margin of error : E= 1 mile per gallon

Population standard deviation: $\sigma=2.6$ miles per gallon.

We know that when the population standard deviation is known then the formula to find the sample size is given by :

$n=(\dfrac{z_{\alpha/2}\times \sigma}{E})^2$

$n=(\dfrac{(2.33)\times 2.6}{1})^2=36.699364\approx37$ [Round to the next whole number.]

Hence, the required number of automobiles should be used in the test = 37

7 0

3 years ago

CAN SOMEONE PLZzzz Plzzzz HELP!!!???

umka21 [38]

First plot the points. Let’s just use the first graph. When you have done that. Draw a triangle. Find the right angle and look at what line is across from that. That is the hypotenuse. That is the length that you are trying to find. So you have to do your equation: a^2 + b^2 = c^2. A and B have to be the length of the other 2 lines(just count it). When you have done that repack you a and b with your #s. And what ever is equal to you c. Then that is you answer. (Im sorry if this was confusing)

8 0

3 years ago

Please help me asap

s2008m [1.1K]

Answer:howw??

Step-by-step explanation:

Umm how?

5 0

3 years ago

3/4+(1/3÷1/6)-(-1/2)=?

Ugo [173]

Answer:

3 1/4 or 3.25

Step-by-step explanation:

8 0

2 years ago

8 5/9 + 3 5/6 + 6 4/9​

8 5/9 + 3 5/6 + 6 4/9