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lions [1.4K]
3 years ago
9

What are the possible values of x in 8x + 4x = -1

Mathematics
1 answer:
zhannawk [14.2K]3 years ago
7 0

Answer:

Exact form:

x = 1/12

Decimal form:

x = 0.083

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A sporting equipment company wants to sell a new bicycle helmet. They have developed a function, shown below, where total profit
Sergio [31]

Answer:

p(s) = -24s^2 +2200 s -18000

If we use the valie of s =60 we have

p(60) = -24 (60)^2 +2200*60 -18000

And after solve we got:

p(60)= -86400 +132000 -18000 =27600

So then the best option for this case would be:

$27,600

Step-by-step explanation:

Using the following info in order to complete the problem:

p(s)=-24s^(2)+2200s-18000

$112,560

$27,600

$111,120

$236,400

$14,240

We have the following function given:

p(s) = -24s^2 +2200 s -18000

If we use the valie of s =60 we have

p(60) = -24 (60)^2 +2200*60 -18000

And after solve we got:

p(60)= -86400 +132000 -18000 =27600

So then the best option for this case would be:

$27,600

8 0
4 years ago
20 points!
Tasya [4]
Basically, to solve this, we need to use the equation:
x^2 + 6x + 8 = 0
Now, to do this we need to simplify:
(x + 4)(x + 2) = 0
(When you multiply these two, you get x^2 + 6x + 8, you can check)
To make 0, one of these two have to make 0. In this case, one could be -4, and one could be -2
So, x = -4, and x = -2 (-2 is larger, -4 is smaller.)
Knowing this, we need to use -b/2a to find the vertex:
-6/2 = -3
Knowing that x is -3, we input it:
-9 + 18 - 8 = 1
Knowing this, we can say that the vertex is (-3, 1)
8 0
4 years ago
Read 2 more answers
4. Fraction: Explain what 5/6 means. Write an explanation of the term fraction that should work with 5/6 and %.
vazorg [7]

Answer:

See below.

Step-by-step explanation:

5/6 is a fraction. The 5 is in the numerator, and the 6 is in the denominator.

The denominator is the number of parts the unit was divided into. In this case, the denominator is 6. That means one unit, 1, was divided into 6 equal parts. Each part is one-sixth.

The numerator is the number of those parts that you use. 5 in the numerator means to use 5 of those parts, each of which is 1/6 of 1.

In other words, 5/6 means divide 1 into 6 equal parts, and take 5 of those parts.

5/6 is the same as 5 divided by 6, so as a decimal it is 0.8333...

As a percent it is 83.333...%

7 0
3 years ago
You buy Apple stock for $120 per share over a period of time the stock value increased at a weekly rate of 5% you sell the stock
Rainbow [258]

Answer:

8.31  weeks

Step-by-step explanation:

Given that the cost of one share of Apple stock, C=$120

Rate is the increment of the stock value, R= 5%/week=0.05 / week.

Assuming that after t week, the stock has been sold for $180.

Since the stock value increased at 5% every week, so, the interest is compounded weekly, so

S=C\left(1+R\right)^t \\\\ \Rightarrow 180 = 120\left(1+0.05\right)^t \\\\  \Rightarrow 180 = 120\left(1.05 )^t \\\\

\Rightarrow \frac{180}{120}=1.05^t \\\\\Rightarrow 1.5=1.05^t

\Rightarrow \ln(1.5)=t \ln(1.05) [taking log both sides]

\Rightarrow t=\frac {\ln(1.5)}{\ln(1.05)}=8.31 weeks

Hence, after 8.31  weeks the stock has been sold for $180.

6 0
3 years ago
A:4x+4=108<br>B:4x+4=90<br>C:108+4×+4=180<br>D:180=90+4×+4<br>E:×+108=108​
Citrus2011 [14]

Answer:

C:108+4x+4=180

Step-by-step explanation:

The angles are supplementary so they sum up to 180

3 0
3 years ago
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