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2 years ago

What is 2/3 Time 2/3

Mathematics

1 answer:

klasskru [66]2 years ago

4 0

Answer:

$\frac{4}{9}$

Step-by-step explanation:

$\frac{2}{3} * \frac{2}{3}$

you multiply across, so you do 2*2 for the numerator, then 3*3 for the denominator. This would equal 4 as the numerator, 9 as the denominator, which is $\frac{4}{9}$

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Nielsen ratings are based on televisions in 50005000 households. Nielsen estimates that 12 comma 00012,000 people live in these

avanturin [10]

Answer:

We are 95% confident that the true proportion of TV audience is between 65.15% and 65.85%

Step-by-step explanation:

-From the given information, $\hat p=0.65$ .

-We calculate the confidence interval using this value at 95% confidence level:

$CI=\hat p\pm z \sqrt{\frac{\hat p(1-\hat p)}{n}}\\\\\\=0.65\pm 1.96\times \sqrt{\frac{0.65\times 0.35}{12000}}\\\\\\=0.65\pm 0.0085\\\\\\=[0.6415,0.6585]$

So, the 95% confidence interval is (0.6515,0.6585).

Hence, we are 95% confident that the true proportion of TV audience is between 65.15% and 65.85%.

6 0

2 years ago

Jackson bought 5 ounces of raisins for $4. How much could he have buy for 1$?

Yuliya22 [10]

If you do 5 divide by 4 then you can find what 1$ would be worth so ie.
5 divide by 4 is 1.25 which means that for 1$ you could buy 1.25 ounces

4 0

3 years ago

Read 2 more answers

Solve the equation.-7=y/7

ad-work [718]

Answer:

y = -49

General Formulas and Concepts:

Pre-Algebra

Order of Operations: BPEMDAS

Brackets
Parenthesis
Exponents
Multiplication
Division
Addition
Subtraction

Left to Right

Equality Properties

Step-by-step explanation:

Step 1: Define

-7 = y/7

Step 2: Solve for y

Multiply 7 on both sides: -49 = y
Rewrite: y = -49

7 0

2 years ago

Which of the following mean the same as x-intercept?

aleksklad [387]

Answer:

(A), (D), and (E)

Step-by-step explanation:

In a quadratic function, the solutions are always on the x-axis, which means that it can be another word for x-intercept. Also, a zero and a root are the same thing, and they are both x-intercepts. Hope this helps!

8 0

2 years ago

Find the value of x m<2= 10x + 10

jarptica [38.1K]

Answer: x = 12

Step-by-step explanation:

a) Linear Pair: 110° + ∠a = 180° --> ∠a = 70°

b) congruent sides implies congruent angles --> ∠b = 70°

c) Triangle Sum Theorem: ∠a + ∠b + ∠c = 180

70° + 70° + ∠c = 180°

∠c = 40°

d) Complimentary Angles: ∠c + ∠d = 90°

40° + ∠d = 90°

∠d = 50°

∠2) Linear Pair: ∠d + ∠2 = 180°

50° + ∠2 = 180°

∠2 = 130°

x) m∠2 = 130°

10x + 10 = 130°

10x = 120

x = 12

3 0

2 years ago