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Luba_88 [7]
3 years ago
10

You are saving for a pair of shoes. After saving for 5 weeks you have $42.50 saved. If you save the amount each week how much wi

ll you have saved in 14 weeks?
Mathematics
1 answer:
antiseptic1488 [7]3 years ago
8 0

you take the amount you have and divide it with 14 week (I think)

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Pls help with this question.
avanturin [10]

Answer:

24 ml oil

60 g onions

360 g potatoes

400 ml milk

Step-by-step explanation:

The recipe makes 16 portions and you only need 4 portions. Since 16 is 4 times bigger than what you need, just divide everything you've been given by 4.

<em>*you can choose to convert into the correct units of measurement before or after dividing. I converted after dividing. Either way works fine though.</em>

1) 96/4 = 24 ml

2) 240/4 = 60 g

3) 1.44/4 = 0.36 kg

They want it in grams, so times it by 1,000 to convert. this gives you 360 g.

4) 1.6/4 = 0.4 l

They want it in ml, so times it by 1,000 to convert. this gives you 400 ml.

Hope this helped : )

3 0
4 years ago
Which number sequence follows the rule multiply by 3, starting from 4?
mixas84 [53]
Answer

12, 36, 108, 324
3 0
3 years ago
The standard deviation of the weights of elephants is known to be approximately 15 pounds. We wish to construct a 95% confidence
JulsSmile [24]

Answer:

The 95% confidence interval for the population mean weight of newborn elephants is between 242.12 pounds and 245.88 pounds.

Step-by-step explanation:

We have that to find our \alpha level, that is the subtraction of 1 by the confidence interval divided by 2. So:

\alpha = \frac{1-0.95}{2} = 0.025

Now, we have to find z in the Ztable as such z has a pvalue of 1-\alpha.

So it is z with a pvalue of 1-0.025 = 0.975, so z = 1.96

Now, find M as such

M = z*\frac{\sigma}{\sqrt{n}}

In which \sigma is the standard deviation of the population and n is the size of the sample.

M = 1.96*\frac{15}{244} = 1.88

The lower end of the interval is the sample mean subtracted by M. So it is 244 - 1.88 = 242.12 pounds.

The upper end of the interval is the sample mean added to M. So it is 244 + 1.88 = 245.88 pounds

The 95% confidence interval for the population mean weight of newborn elephants is between 242.12 pounds and 245.88 pounds.

5 0
4 years ago
A recipe requires 1/5 cup of sugar and 1/2 cup of flour. How many times as much flour is required for the recipe as sugar?
Damm [24]

Answer:

2.5 times

Step-by-step explanation:

To compare the two quantities, find a common denominator.

1/5 is 2/10 of sugar.

1/2 cup of flour is 5/10 of flour.

There is almost 3 times as much flour as sugar. 5/ 2 = 2.5. It is 2.5 times as much.

6 0
3 years ago
4. A formula used for calculating velocity is v=1/2at^2
Andreyy89

Step-by-step explanation:

You're sure?

But I thought that for calculating distance

7 0
3 years ago
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