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Olegator [25]
3 years ago
9

Steve buys 14 ounces of kiwis and 2 pounds of peaches.How many more ounces do the peaches weigh then the kiwis?

Mathematics
1 answer:
8090 [49]3 years ago
7 0
1 pound = 16 ounces

2 pounds x 16 ounces = 32 ounces for the peaches.

32 ounces - 14 ounces = 18

The peaches weigh 18 more ounces.
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Which methods correctly solve for the variable s in the equation -2 - 5s =9?​
Ivanshal [37]
The answer is C: first add 2 both sides then divide both sides by -5.
3 0
2 years ago
Helpppppppppppppppppppppppppppp
Oliga [24]

<u>To find the area of a complex shape</u>:

 ⇒ must split into simpler shapes

  • a rectangle of <u>8m by 7m</u>
  • a rectangle of <u>2m by 8 m</u>

<u>Now let's find</u>:

  • Area of a rectangle of <u>8m by 7m</u>

               Area=8*7=56m^2

  • Area of a rectangle of <u>2m by 8m</u>

               Area = 2 * 8 = 16m^2

<u>Total Area</u> = 56 + 16 = <u>72 m²</u>

<u>Answer: 72 m²</u>

Hope that helps!

6 0
1 year ago
Is the area of this 36 (2, 8),<br> (2, 2), (–4, 2), and (–4, 8).
almond37 [142]

Answer:

yes

Step-by-step explanation:

side 1

(2,8) to (2,2)

8-2 = 6 (length of this side)

side 2

(2,2) to (-4,2)

2-(-4) = 6

side 3

(-4,2) to (-4,8)

8-2 = 6

side 4

(-4,8) to (2,8)

2- (-4) = 6

* note: it doesn't matter the order of subtraction because length can't be negative (so just make sure your answer is positive) , also don't subtract the side that is constant, you will get 0, a side can not be 0 cm

to find the area of a square multiply length by width

6 x 6 = 36

5 0
3 years ago
Positive negative zero or undefined
exis [7]

Answer:

positive

Step-by-step explanation

the line goes up and to the right

7 0
3 years ago
A programmer plans to develop a new software system. In planning for the operating system that he will​ use, he needs to estimat
erma4kov [3.2K]

Answer:

a) n = 9604

b) n = 381

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}.

The margin of error is:

M = z\sqrt{\frac{\pi(1-\pi)}{n}}

90% confidence level

So \alpha = 0.1, z is the value of Z that has a pvalue of 1 - \frac{0.1}{2} = 0.95, so Z = 1.645.

a. Assume that nothing is known about the percentage of computers with new operating systems. n = ?

When we do not know the proportion, we use \pi = 0.5, which is when we are going to need the largest sample size.

The sample size is n when M = 0.01.

M = z\sqrt{\frac{\pi(1-\pi)}{n}}

0.01 = 1.96\sqrt{\frac{0.5*0.5}{n}}

0.01\sqrt{n} = 1.96*0.5

\sqrt{n} = \frac{1.96*0.5}{0.01}

(\sqrt{n})^{2} = (\frac{1.96*0.5}{0.01})^{2}

n = 9604

b. Assume that a recent survey suggests that 99% of computers use a new operating system. n = ?

Now we have that \pi = 0.99. So

M = z\sqrt{\frac{\pi(1-\pi)}{n}}

0.01 = 1.96\sqrt{\frac{0.99*0.01}{n}}

0.01\sqrt{n} = 1.96*\sqrt{0.99*0.01}

\sqrt{n} = \frac{1.96*\sqrt{0.99*0.01}}{0.01}

(\sqrt{n})^{2} = (\frac{1.96*\sqrt{0.99*0.01}}{0.01})^{2}

n = 380.3

Rouding up

n = 381

7 0
3 years ago
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