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3 years ago

6

Nejdismhskaiendudneoxnusnsnxn

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pshichka [43]3 years ago

3 0

Answer:

Bruhhhhhhhhhhhhhhhhhhhhhhhhhhhhhh

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Y * x = 20<br><br> y + x = 9 <br><br> what numbers are y and x equal to?

Ksivusya [100]

$y = 9 - x$
Substitute into
$y \times x = 20 \\ (9 - x) \times x = 20 \\ { - x}^{2} + 9x = 20 \\ {x}^{2} - 9x + 20 = 0 \\ (x - 5)(x -4) = 0 \\ x = 5 \: or \: x = 4$
When x = 5,
$y = 9 - 5 \\ y = 4$
When x = 4,
$y = 9 - 4 \\ y = 5$

x = 5, y = 4
x = 4, y = 5

Hope this helps. - M

4 0

3 years ago

U are going 80 miles how long are you driving if you are driving 80 miles

Sati [7]

Let x be the time in hours it takes to go 80 miles. Set v(t) = 80.

∫v(t)dt = 80 from 0 to x

Then 80x - 80(0) = 80

80x = 80

x = 1 hour

3 0

4 years ago

What is equivalent expression 9y+y

andrew11 [14]

Answer:

10y

Step-by-step explanation:

9y+y=

10y

4 0

4 years ago

In a right triangle with acute angle of measure theta, sintheta=1 /2. What is the value of costhetatheta? Draw a diagram as part

Stells [14]

Answer:

0.866

Step-by-step explanation:

By definition

$sin \theta = \frac{Opposite}{Hypotenuse}$

$cos \theta = \frac{Adjacent}{Hypotenuse}$

We know that $sin \theta = 0.5$ . Inverse of sine is arcsin, so, angle $\theta$ is computed as

$\theta=arcsin(0.5)=30$

Therefore, cosine of $\theta$ is

cos (30°) = 0.866

3 0

4 years ago

The ratio of males to females at

BaLLatris [955]

Answer:

<h3><u>48 people</u> is the right answer.</h3>

Step-by-step explanation:

Let the number of male and female be 3x and 5x

There are twelve more females than males

According to the above problem,

$5x - 3x=12\\ 2x = 12\\ x = \frac{12}{2} \\ \boxed{x = 6}$

Therefore, the numbers of male is

$3x = 3 \times 6 = 18$

and number of female is

$5x = 5 \times 6 = 30$

Hence, total number of people are

$(30 + 18) = 48$

There are <u>48 people</u> in the party.

8 0

3 years ago