A recipe for bread calls for 4 1/8 cups of flour. Jack accidentally put in 5 1/7 cups. How many extra cups did he put in

A bank records deposits as positive numbers and withdrawals as negative numbers. Mike withdrew $60\$60 $60 dollar sign, 60 from

kumpel [21]

Answer:

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Step-by-step explanation:

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8 0

3 years ago

) Ms. Pimentel went on a trip with the Glee Club. The trip was $365. Included in that price are $105 for a plane ticket, the cos

tangare [24]

A. $25
The explanation would be because 365-105=206 and then double 105 which would be 210 and then subtract that from 206 which would be 50 then divide that by 2 and you would get 25

3 0

3 years ago

Read 2 more answers

I got 25 so I wanted to know if I'm correct

kvasek [131]

I feel it should be 30 because x represents the number of lessons, and 30 is multiplied by that.

3 0

3 years ago

Read 2 more answers

It is important that face masks used by firefighters be able to withstand high temperatures because firefighters commonly work i

USPshnik [31]

Answer:

The 93% confidence interval for the true proportion of masks of this type whose lenses would pop out at 325 degrees is (0.3154, 0.5574). This means that we are 93% sure that the true proportion of masks of this type whose lenses would pop out at 325 degrees is (0.3154, 0.5574).

Step-by-step explanation:

In a sample with a number n of people surveyed with a probability of a success of $\pi$ , and a confidence level of $1-\alpha$ , we have the following confidence interval of proportions.

$\pi \pm z\sqrt{\frac{\pi(1-\pi)}{n}}$

In which

z is the zscore that has a pvalue of $1 - \frac{\alpha}{2}$ .

For this problem, we have that:

$n = 55, \pi = \frac{24}{55} = 0.4364$

93% confidence level

So $\alpha = 0.07$ , z is the value of Z that has a pvalue of $1 - \frac{0.07}{2} = 0.965$ , so $Z = 1.81$ .

The lower limit of this interval is:

$\pi - z\sqrt{\frac{\pi(1-\pi)}{n}} = 0.4364 - 1.81\sqrt{\frac{0.4364*0.5636}{55}} = 0.3154$

The upper limit of this interval is:

$\pi + z\sqrt{\frac{\pi(1-\pi)}{n}} = 0.4364 + 1.81\sqrt{\frac{0.4364*0.5636}{55}} = 0.5574$

The 93% confidence interval for the true proportion of masks of this type whose lenses would pop out at 325 degrees is (0.3154, 0.5574). This means that we are 93% sure that the true proportion of masks of this type whose lenses would pop out at 325 degrees is (0.3154, 0.5574).

8 0

3 years ago

Find the x and y intercepts of the equation. Express your answers as points. 5 x + 7 y = − 140

iVinArrow [24]

Answer:

x-intercept(s): (-28, 0)

y-intercept(s): (0, -20)

Step-by-step explanation:

Try This Answer.

5 0

2 years ago