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3 years ago

16 2/3% of what number is 90?

Mathematics

1 answer:

zysi [14]3 years ago

7 0

Answer:

540

Step-by-step explanation:

90 is 16 2/3% of 540

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What is the length of XY?

liubo4ka [24]

Answer: The length of $XY$ is 30.

Step-by-step explanation:

-According to the figure, Δ $XYZ$ is congruent to Δ $XWZ$ .

So, if the length of $WX$ is 30, then the length of $XY$ is also 30, because $WX = XY$ .

7 0

4 years ago

A certain stock starts the day at $273/8 per share. If it drops $21/2 during the day, what is its closing value? A. $247/8 B. $2

Elza [17]

Answer:

A. $ 24 7/8

Step-by-step explanation:

GIVEN: A stock starts the day at $27 3/8 per share.

Share drops $2 1/2 during the day.

To Find : Closing value

Solution : first we need to find how many 1/8 are there in 1/2

So, $\frac{\frac{1}{2} }{\frac{1}{8} } =4$

when share drops by $2 then share will be :

$27 - $2 =$25

and $\frac{3}{8} - 4(\frac{1}{8})$

⇒ $\frac{3}{8} - \frac{4}{8}$

⇒ $\frac{-1}{8}$

So, $25-\frac{1}{8}$

⇒ $24\frac{7}{8}$

So, its closing value is $24\frac{7}{8}$ .

7 0

4 years ago

Proof that :<br><img src="https://tex.z-dn.net/?f=%20%7Bsin%7D%5E%7B2%7D%20%5Ctheta%20%2B%20%20%7Bcos%7D%5E%7B2%7D%20%5C%3A%5Cth

Arisa [49]

Answer:

Solution given:

Right angled triangle ABC is drawn where <C= $\theta$

we know that

$\displaystyle Sin\theta=\frac{opposite}{hypotenuse} =\frac{AB}{AC}$

$\displaystyle Cos\theta=\frac{adjacent}{hypotenuse}=\frac{BC}{AC}$

Now

left hand side

$\displaystyle {sin}^{2} \theta + {cos}^{2} \:\theta$

Substituting value

$(\frac{AB}{AC})²+(\frac{BC}{AC})²$

distributing power

$\frac{AB²}{AC²}+\frac{BC²}{AC²}$

Taking L.C.M

$\displaystyle \frac{AB²+BC²}{AC²}$ ....[I]

In ∆ABC By using Pythagoras law we get

$\boxed{\green{\bold{Opposite²+adjacent²=hypotenuse²}}}$

AB²+BC²=AC²

Substituting value of AB²+BC² in equation [I]

we get

$\displaystyle \frac{AC²}{AC²}$

Right hand side

<h3><u>proved</u></h3>

8 0

3 years ago

Read 2 more answers

988,18<br> is divisible by 6.

zheka24 [161]

988,188 is divisible by 6

5 0

4 years ago

The function g(x) is a transformation of the quadratic parent function, fx):

77julia77 [94]

Answer: D

Step-by-step explanation:

The graph is narrower, so the coefficient of $x^2$ has an absolute value more than 1.

Eliminate B and C.

Also, because g(x) opens down, the coefficient of $x^2$ is negative.

Eliminate A.

This leaves D as the answer.

6 0

2 years ago