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AleksAgata [21]

3 years ago

6

On the day a certain celebrity proposes marriage, 8 people know about it. Each day afterward, the number of people who know grow

s by 50%.
Which expression gives the number of people who know about the proposal after 4 days?
A) 8•0.5•0.5•0.5
B) 8+0.5•0.5•0.5
C) 8(1+0.5)(1+0.5)(1+0.5)(1+0.5)
D) 8+(1+0.5)(1+0.5)(1+0.5)(1+0.5)

2 answers:

Rama09 [41]3 years ago

7 0

Answer:

8(1+0.5)(1+0.5)(1+0.5)(1+0.5)

Step-by-step explanation:

khan academy

solniwko [45]3 years ago

3 0

Answer:

8(1+0.5)(1+0.5)(1+0.5)(1+0.5)

Step-by-step explanation:

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In the rectagular prism shown below, GH is parallel to EF. If the equation of GH is 6y-x=2, could the equation of EF be 4=y-1/6x

ASHA 777 [7]

Answer:

Yes

Step-by-step explanation:

Given

GH:

$-6y - x = 2$

Required

Can EF be

$4 = y - \frac{1}{6}x$

First, we determine the slope of GH

$-6y - x = 2$

Solve for 6y

$6y = -x - 2$

Solve for y

$y = -\frac{1}{6}x - \frac{2}{6}$

$y = -\frac{1}{6}x - \frac{1}{3}$

An equation has the form:

$y =mx + b$

Where

$m = slope$

By comparison:

$m = -\frac{1}{6}$

Next, determine the slope of EF

$4 = y - \frac{1}{6}x$

Make y the subject

$y = -\frac{1}{6}x + 4$

The slope is:

$m = -\frac{1}{6}$

Compare the slopes of both lines.

$m=m = -\frac{1}{6}$

Since they have the same slopes, then the equation of EF is possible

4 0

3 years ago

Find the area of the following shape. You must show all work to receive credit.

SVEN [57.7K]

Answer:

Step-by-step explanation:

A = [(3x2)/2] + [(4x2)/2] - 1/2

A = 3 + 4 - 1/2

A = 6.5

3 0

3 years ago

The total cost (in dollars) for a company to manufacture and sell x items per week is C=40x+180, whereas the revenue brought in

crimeas [40]

Answer:

The company needs to sell either 30 or 40 items.

Step-by-step explanation:

We are given that the cost for selling <em>x</em> items given by the function:

$C(x)=40x+180$

And the revenue for selling <em>x</em> items is given by:

$R(x)=68x-0.4x^2$

The profit function is the cost function subtracted from the revenue function:

$P(x)=R(x)-C(x)$

Substitute and simplify:

$\displaystyle \begin{aligned} P(x)&=(68x-0.4x^2)-(40x+180)\\&=68x-0.4x^2-40x-180\\&=-0.4x^2+28x-180\end{aligned}$

To find how many items must be sold in order to obtain a weekly profit of $300, we can let <em>P</em> equal 300 and solve for <em>x</em>. So:

$300=-0.4x^2+28x-180$

Solve for <em>x</em>. Subtract 300 from both sides:

$-0.4x^2+28x-480=0$

We can divide both sides by -0.4:

$x^2-70x+1200=0$

Factor:

$(x-40)(x-30)=0$

Zero Product Property:

$x-40=0\text{ or } x-30=0$

Solve for each case:

$x=40\text{ or } x=30$

So, in order to obtain a weekly profit of $300, the company need to sell either 30 <em>or</em> 40 items.

7 0

3 years ago

What is the value of P(S and T)?<br><br> A.<br><br> B.<br><br> C. <br><br> D

Leviafan [203]

Answer:

0.25 but I am not sure umm I think

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3 years ago

Can you please help me

Xelga [282]

Step-by-step explanation:

there is the answers for this one

5 0

3 years ago