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3 years ago

Explain how you can write 35% as the sum of two benchmark percents or as a multiple of a percent

Mathematics

1 answer:

OlgaM077 [116]3 years ago

3 0

I'll just take the points thanks XD

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Can you solve for ×/4+7=5

nataly862011 [7]

X/4 is the same as 1/4x, so you have the equation 1/4x + 7 = 5. subtract 7 to both sides to get the equation 1/4x = -2. then you multiply by four (which is the same as dividing by 1/4) to get x = -8

4 0

2 years ago

Solve using the Pythagorean identity<br>

Lynna [10]

<h3> $\bold{Sin\theta_{1}=-\frac{4}{5}}$ </h3>

Answer:

Solution given

Cos $\displaystyle \theta_{1}=\frac{3}{5}$

consider Pythagorean theorem

$\bold{Sin²\theta+Cos²\theta=1}$

Subtracting $Cos²\theta$ both side

$\displaystyle Sin²\theta=1-Cos²\theta$

doing square root on both side we get

$Sin\theta=\sqrt{1-Cos²\theta}$

Similarly

$Sin\theta_{1}=\sqrt{1-Cos²\theta_{1}}$

Substituting value of $Cos\theta_{1}$

we get

$Sin\theta_{1}=\sqrt{1-(\frac{3}{5})²}$

<h3>Solving numerical</h3>

$Sin\theta_{1}=\sqrt{1-(\frac{9}{25})}$

$Sin\theta_{1}=\sqrt{\frac{16}{225}}$

$Sin\theta_{1}=\frac{\sqrt{2*2*2*2}}{\sqrt{5*5}}$

$Sin\theta_{1}=\frac{4}{5}$

Since

In IVquadrant sin angle is negative

$\bold{Sin\theta_{1}=-\frac{4}{5}}$

7 0

2 years ago

Read 2 more answers

Round 2.51 to 1 decimal place

Leni [432]

Answer:

2.5

Step-by-step explanation:

It's because 1is less than 5

8 0

1 year ago

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The range is how many more times the difference of the means?<br> *****!,WILL MARK BRAINLIEST ****!!

suter [353]

Answer:

0.15

Step-by-step explanation:

3divided by 2

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3 years ago

The product of 25 and an unknown number is subtracted from 36. The result is -114.

svetlana [45]

Let x = the unknown number to get x = 6

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3 years ago