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AlekseyPX
3 years ago
9

Which of the following reveals the minimum value for the equation 3x2 + 18x + 15 = 0?

Mathematics
1 answer:
11111nata11111 [884]3 years ago
7 0

Answer:

Step-by-step explanation:

I have no idea

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9. A manufacturer uses a mold to make a part in the shape of a triangular prism. The dimensions of this part are shown below.
Savatey [412]
The answer is c, because you have the multiply the sides
8 0
3 years ago
Which of the following statements must be true about this diagram?<br> Check all that apply.
Alik [6]

Answer:

i would go for a and c

Step-by-step explanation:

7 0
3 years ago
Avon Edwards worked 45.5 hours at $5 per hour. He made $100 in tips but no bonuses. Anything over 40 hours is paid time-and-a-ha
posledela

Answer:

1. D

2. B


Step-by-step explanation:

<u>Question 1:</u>

We can get Avon's earnings using the equation  W=HR+1.5VR+B+T

Where W is his earnings

HR is the regular hours (40 hours in this case)

V is overtime hours (hours over 40, 45.5 - 40 = 5.5 hours)

B is bonus (no bonus)

T is tips ( $100 tips, given)

and R is the rate (which is $5 per hour)


<em>Substituting the given info into the equation, we get:</em>

<em>W=HR+1.5VR+B+T\\W=(40)(5)+1.5(5.5)(5)+0+100\\W=341.25</em>


<em>So avon's earnings are $341.25</em>

<em>Answer choice D is right.</em>


<u>Question 2:</u>

The other employee needs to work x hours @ $15 per hour to equate or surpass $428. So we can set up the equation shown below and solve for x:

(15)(x)=428\\x=\frac{428}{15}\\x=28.53

Rounded to 1 decimal place, this is about 28.5 hours

Answer choice B is right.


6 0
3 years ago
Read 2 more answers
Is 1.75 less or greater than 1 1/2
julsineya [31]

Answer:

Greater 1 1/2 is 1.50

Step-by-step explanation:

Please Brainliest if right <3

7 0
3 years ago
Read 2 more answers
For a t distribution with 16 degrees of freedom, find the area, or probability, in each region. (to 2 decimals)
Fiesta28 [93]

Answer:

The area to the right of 2.120 is 0.0250 rounded to 4 decimal places

Step-by-step explanation:

We are required to find P(t>2.120)

To find this area we have to use the t distribution. Also we can use technology like excel to find the area to the right of 2.120.

The excel function is:

=TDIST(2.120,16,1)=0.0250

Where:

2.120 is the value of the test statistic

16 is the degrees of freedom

1 denotes the one tailed.

Therefore, the area to the right of 2.120 is 0.0250

6 0
3 years ago
Read 2 more answers
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