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marysya [2.9K]
3 years ago
6

15 + ( -11)3 please help

Mathematics
2 answers:
sattari [20]3 years ago
4 0

Answer:

-18

Step-by-step explanation:

Multiply -11 by 3.

Add -33 to 15.

Answer -18

lora16 [44]3 years ago
3 0

Answer:

15 + (-11)3 = -18

Step-by-step explanation:

just follow the order of operations. hope it helps :)

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Kevin uses 2 and 1/4 cups of ravens for every half cup of peanuts when making a snack mix how many cups of raisins does Kevin us
Dmitrij [34]

Answer:

For 1 cup of peanut Kevin will use \frac{9}{2} \ cups \ \ \ OR \ \ \ 4\frac{1}{2} \ cups of raisins.

Step-by-step explanation:

Given:

\frac{1}{2} cups of peanuts = 2\frac{1}{4} cups of raisin

2\frac{1}{4}  can be rewritten as \frac{9}{4}

\frac{1}{2} cups of peanuts = \frac{9}{4} cups of raisin

We need to find number of cups of raisins used in 1 cup of peanut.

Solution:

Now we know that;

\frac{1}{2} cups of peanuts = \frac{9}{4} cups of raisin

So 1 cup of peanut = number of cups of raisins used in 1 cup of peanut

Now by using Unitary method we get;

number of cups of raisins used in 1 cup of peanut = \frac{\frac{9}{4}}{\frac{1}{2}}=\frac{9}{4}\times \frac{2}{1} = \frac{9}{2} \ cup \ \ \ OR \ \ \ 4\frac{1}{2} \ cup

Hence For 1 cup of peanut Kevin will use \frac{9}{2} \ cups \ \ \ OR \ \ \ 4\frac{1}{2} \ cups of raisins.

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3 years ago
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Answer:

It would be the first graph, because if you look at the points on your graph the first one is (0,1), the the next one is (5,2), and so on so forth, that makes your answer the first graph, because that table is showing you the points that are marked

Step-by-step explanation:

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amid [387]

Answer:

It takes 7.37 hours for the size of the sample to double.

Step-by-step explanation:

Continuous exponential growth model:

The continuous exponential growth model for populations is given by:

P(t) = P(0)e^{rt}

In which P(0) is the initial population and r is the growth rate parameter, as a decimal.

Growth rate parameter of 9.4% per hour.

This means that r = 0.094

So

P(t) = P(0)e^{rt}

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This is t for which P(t) = 2P(0). So

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2P(0) = P(0)e^{0.094t}

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0.094t = \ln{2}

t = \frac{\ln{2}}{0.094}

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It takes 7.37 hours for the size of the sample to double.

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Use the trigonometry triangles SOH CAH TOA
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