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3 years ago

Right angle trigonometry

Mathematics

1 answer:

Nady [450]3 years ago

7 0

Answer:

Step-by-step explanation:

Given

sinΘ = $\frac{1}{\sqrt{2} }$ , then

Θ = $sin^{-1}$ ( $\frac{1}{\sqrt{2} }$ ) = 45° → B

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Julie has 4/3 cups of flour.She needs 2/5 cups of flour.How will she get the amount.

valentina_108 [34]

Answer:

Step-by-step explanation:

You need to set up a ratio for the original recipe and then use that ratio for the new one.

If we need 3 cups of flour for every 4 cups of sugar, we have a 3 c flour/4 c sugar ratio, or 3/4

The new ratio is 9 c of flour for ? c of sugar. Those ratios have to be the same, so we set up an equation like this:

3/4 = 9/?

In order to keep the same ratio, you have to multiply by the same number. Since 3*3 = 9, multiply 4*3 to get your answer.

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3 years ago

Replace the ? with one of the following symbols (<, >, =, or ≠) for 4 + 3 + 7 ? 7 + 0 +7

zavuch27 [327]

4 + 3 = 7, 7 + 7 = 14, 7 + 0 = 7, 7 + 7 = 14. 14 = 14 Fourteen is equal to fourteen so the answer is =

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3 years ago

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How to do find the unit rate of fractions

IceJOKER [234]

You find a unit rate by multiplying by 100<span />

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3 years ago

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Suppose you want to have $300,000 for retirement in 25 years. Your account earns 8% interest. How much would you need to deposit

Rus_ich [418]

Using the future value formula, it is found that you would need to deposit $272.95 in the account each month.

<h3>What is the future value formula?</h3>

It is given by:

$V(n) = P\left[\frac{(1 + r)^{n-1}}{r}\right]$

In which:

P is the payment.

n is the number of payments.

r is the interest rate.

For this problem, considering that there are monthly compoundings, the parameters are:

r = 0.08/12 = 0.0067, V(n) = 300000, n = 25 x 12 = 300.

Hence we solve for P to find the monthly payment.

$V(n) = P\left[\frac{(1 + r)^{n-1}}{r}\right]$

$300000 = P\left[\frac{(1.0067)^{299}}{0.0067}\right]$

1099.12P = 300000

P = 300000/1099.12

P = $272.95.

You would need to deposit $272.95 in the account each month.

More can be learned about the future value formula at brainly.com/question/24703884

#SPJ1

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2 years ago

1/2 over 2 equals to 3 over X

gayaneshka [121]

$\frac{ \frac{1}{2} }{2} = \frac{3}{x}$
$\frac{2}{2} = \frac{3}{x}$
1= $\frac{3}{x}$
x=3

8 0

3 years ago