3 years ago

What is the value of x in this equation? x - 1/2 = 3 1/6

Mathematics

1 answer:

Ludmilka [50]3 years ago

6 0

Answer:

x= 3 2/3

Step-by-step explanation:

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Really need help pls

antiseptic1488 [7]

Answer:

∠1 = 45°

∠2 = 45°

∠3 = 45°

∠4 = 90°

BC = 12

AB = 12

DC = 12

EB = 8.5

DB = 17

EC = 8.5

3 0

3 years ago

Johnson rode her bike 7 miles to a lake. She rode 3/4 of distance to the lake before lunch. How many miles did Johnson ride befo

Virty [35]

Answer:

5.25 miles.

Step-by-step explanation:

What I did was I took 3/4 and made it into its decimal form which is 3/4. I then times it by 7 to get 5.25.

5.25 miles is your answer.

5 0

3 years ago

Read 2 more answers

This is a math question plz try you best

marysya [2.9K]

Answer:

11/12

Step-by-step explanation:

Calculate the sum

rewrite the fraction

simplify the fraction

Solution 11/12

3 0

3 years ago

After calculating the sample size needed to estimate a population proportion to within 0.05, you have been told that the maximum

Svetlanka [38]

Answer: 40000

Step-by-step explanation:

The formula to find the sample size is given by :-

$n=p(1-p)(\dfrac{z_{\alpha/2}}{E})^2$ , where p is the prior estimate of the population proportion.

Here we can see that the sample size is inversely proportion withe square of margin of error.

i.e. $n\ \alpha\ \dfrac{1}{E^2}$

By the equation inverse variation, we have

$n_1E_1^2=n_2E_2^2$

Given : $E_1=0.05$ $n_1=1000$

$E_2=0.025$

Then, we have

$(1000)(0.05)^2=n_2(0.025)^2\\\\\Rightarrow\ 2.5=0.000625n_2\\\\\Rightarrow\ n_2=\dfrac{2.5}{0.000625}=4000$

Hence, the sample size will now have to be 4000.

6 0

3 years ago

Paul opens a savings account with $350. He saves $150 per month. After how many months will Paul have $2150 in the account?

Debora [2.8K]

Answer:

12 months

Step-by-step explanation:

2150-350=1800

1800÷150=12

3 0

2 years ago