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3 years ago

What is that same as 4 tens and 13 ones

Mathematics

1 answer:

Katen [24]3 years ago

5 0

Answer:

Step-by-step explanation:

40 + 13 = 53

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Find the length of side xx in simplest radical form with a rational denominator.

borishaifa [10]

Answer:

x = 3sqrt(2)/2

Step-by-step explanation:

Since this is a right triangle, we can use the Pythagorean theorem

a^2+b^2 = c^2 where a and b are the legs and c is the hypotenuse

The two legs are equal, x

x^2 + x^2 = 3^2

2x^2 = 9

Divide each side by 2

x^2 = 9/2

Take the square root of each side

sqrt(x^2) = sqrt(9/2)

x = sqrt(9)/ sqrt(2)

x = 3 / sqrt(2)

x = 3 sqrt(2) / sqrt(2)*sqrt(2)

x = 3sqrt(2)/2

5 0

3 years ago

Read 2 more answers

PLEASE HELP ME!! FIRST ONE WILL GET BRAINLIEST!!!

KATRIN_1 [288]

Answer:

-3, 0, 1/2, 3

Step-by-step explanation:

For all Plato users

5 0

3 years ago

Marlee spins a spinner and rolls a 1-6 number cube. The spinner has 5 equal parts numbered 1-5. what is the probability Marlee w

ollegr [7]

The probability is 1/30.

There are 5 possibilities for the spinner and 6 for the number cube, so this gives us 5*6= 30 outcomes.

There is only one way to spin a 3 and roll a 3 at the same time, so the probability is 1/30.

7 0

3 years ago

Read 2 more answers

PLZZ HELP ME!!! I DONT UNDERSTAND!

maw [93]

Answer:

the third slot should be 5x+4-9+x

then the last one should be 6x-5

5 0

3 years ago

Last year, 50% of MNM. Inc. employees were female. It is believed that there has been a reduction in the percentage of females i

Serhud [2]

Answer:

We conclude that there has been a significant reduction in the proportion of females.

Step-by-step explanation:

We are given the following in the question:

Sample size, n = 400

p = 50% = 0.5

Alpha, α = 0.05

Number of women, x = 118

First, we design the null and the alternate hypothesis

$H_{0}: p = 0.50\\H_A: p < 0.50$

This is a one-tailed test.

Formula:

$\hat{p} = \dfrac{x}{n} = \dfrac{118}{400} = 0.45$

$z = \dfrac{\hat{p}-p}{\sqrt{\dfrac{p(1-p)}{n}}}$

Putting the values, we get,

$z = \displaystyle\frac{0.45-0.50}{\sqrt{\frac{0.50(1-0.50)}{400}}} = -2$

Now, we calculate the critical value.

Now, $z_{critical} \text{ at 0.05 level of significance } = -1.645$

Since the calculated z-statistic is less than the critical value, we fail to accept the null hypothesis and reject it. We accept the alternate hypothesis.

Thus, there has been a significant reduction in the proportion of females.

3 0

3 years ago