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inna [77]
3 years ago
14

Which product is positive? I NEED THE ANSWER ASAP

Mathematics
2 answers:
pishuonlain [190]3 years ago
8 0
I also think it’s d
olya-2409 [2.1K]3 years ago
7 0

Answer:

D

Step-by-step explanation:

the others have a odd number of negatives.

can i have brainliest?

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First combine the like terms in 4F + (-21)+10 F
vovikov84 [41]

Answer:

7(2f-3)

No step-by-step explanation.Sorry!

6 0
2 years ago
A 25 foot ladder and a 10 foot ladder are leaning against a building at the same angle,
swat32

Answer:

33.33 feet

Step-by-step explanation:

First you want to divide 25 to 7.5 so that you can find out how far the ladder is if it was a foot-long your answer should be 3.33. Then you want to multiply the 3.33 to 10 and the answer would be 33.33

8 0
3 years ago
Which table represents the same linear relationship as the equation y = 5x + 7?
Nataly_w [17]
I can’t see the image. I’ll still try to help. The line has to cross 7 on the y-axis (|). The line is positive so it should look something like this “/“ By doing rise over run, (5/1) It is supposed to go up 5 times for every one time it goes to the right. Sorry if this explanation is a little confusing. This is the most I can do without seeing the image.
4 0
3 years ago
What is the y-intercept of a line whose equation is y = -3x - 4
vesna_86 [32]

Answer:

(0, -4)

Step-by-step explanation:

To find the y-intercept, set x equal to zero:

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4 0
3 years ago
Read 2 more answers
The marketing research department of a computer company used a large city to test market the​ firm's new laptop. The department
Anika [276]

Answer:

a. Local maximum = 50 units per week.

b. The graph is never concave upward.

c. (0, 80)

Step-by-step explanation:

a. The revenue function is:

R(x) = 1275x-0.17x^3

The derivate of the revenue function for which R'(x) = 0 gives us the local extrema:

R'(x) =0= 1275-0.51x^2\\x=\sqrt{2,500}\\x=50

The second derivate of the revenue function determines if x =50 is local maximum or minimum:

R''(x) = -1.02x\\R''(50) = -1.02*50=-51\\

Since the second derivate yields a negative value, x = 50 units per week is a local maximum.

b. Since there are no local minimums in the range of 0 < x < 80, the graph is never concave upward.

c. Since there is only one local maximum  in the range of 0 < x < 80, the graph is concave downward from x>0 to x<80 or (0, 80)

6 0
4 years ago
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