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Oksana_A [137]
2 years ago
13

PLS HELP!!

Mathematics
1 answer:
mestny [16]2 years ago
3 0

Answer:

x = - 3 , x = 2

Step-by-step explanation:

the solutions are the points on the x- axis ( y = 0 ) where the graph crosses.

solutions are then x = - 3 , x = 2

You might be interested in
A company has 7 male and 9 female employees, and needs to nominate 2 men and 2 women for the company bowling team. How many diff
lys-0071 [83]

Answer:

The team can be formed in 756 different ways

Step-by-step explanation:

This is a combination problem since we are to select a set of people from a group. Combination has to do with selection.

for example, if r number of object is to be selected from a pool of n objects, this can be done in nCr number of ways.

nCr = \frac{n!}{(n-r)!r!}

Now If A company has 7 male and 9 female employees, and needs to nominate 2 men and 2 women for the company bowling team, then this can be done in the following way;

7C2 * 9C2

7C2 = \frac{7!}{5!2!} \\= \frac{7*6*5!}{5!*2} \\= 7*3\\= 21ways\\\\similarly;\\\\9C2 = \frac{9!}{7!2!}\\9C2= \frac{9*8*7!}{7!*2} \\9C2 = 9*4\\9C2 = 36

7C2 * 9C2 = 21*36

= 756

The team can be formed in 756 different ways

5 0
3 years ago
Tara is making dinner for 9 people. She mixes 1 1/4 kilograms of rice with 500grams of vegetables and 410 grams of meat. If all
kotegsom [21]

Answer:

240 grams

Step-by-step explanation:

Tara uses:

  • 1 \dfrac{1}{4}\ kg=1 \ kg\ 250 \ g=1250\ g of rice
  • 500 g of vegatables
  • 410 g of meat

In total, Tara uses

1250+500+410=2160\ g of ingredients.

She is making dinner for 9 people, so the weight of each serving is

2160:9=240\ g

3 0
3 years ago
What is the slope of 6x+6=-4y?
Alecsey [184]

the slope is -3/2

y = mx + b

y = -3/2 x + 3/2

3 0
3 years ago
What is the slope of the line that passes through the points (8, 2) and (9, 3)? Write
Burka [1]

Answer:

The slope of the line is 1

Step-by-step explanation:

8 0
3 years ago
C(h)= 2h^2+5h/h^3+8
Sidana [21]

Answer:

  1. 0 ≤ h
  2. The only asymptote in the domain is the horizontal asymptote c = 0.
  3. The only intercept in the domain is (x, y) = (0, 0).
  4. Maximum concentration occurs at h ≈ 1.95.
  5. About 1:33 pm

Step-by-step explanation:

1. For functions involving time, it usually makes no sense to evaluate them for negative values of time. At some point in the future, the value of the function is sufficiently small as to be "don't care", so that value of time is a good upper limit on the domain. Here, that might be about 100 hours, where the concentration is about 0.02%.

A reasonable domain might be 0 ≤ h ≤ 100.

__

2. In the domain, the only asymptote is horizontal. As h gets large, the value of the function becomes 2/h, so approaches zero.

The horizontal asymptote is C=0.

__

3. The only intercept is the origin, where C(0) = 0.

__

4. A graph shows the function maximum occurs at about h = 1.95.

__

5. A graph shows the value of C(5.544) ≈ 0.5. If we assume that C(h) represents the concentration in %, then the next injection should be given about 5.544 hours after 8 am, or at 1:33 pm. (My calculator converts hours to hours:minutes, so there is no "work" to show.)

6 0
3 years ago
Read 2 more answers
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