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natita [175]
3 years ago
15

What are the solutions to the quadratic equation? x2 2 + 3x - 10 = 0

Mathematics
1 answer:
FrozenT [24]3 years ago
5 0

Answer:

2 and -5

Step-by-step explanation:

x2 + 3x - 10 = 0

Factors of -10 include, -2 and 5

so  now we have to factor

(x-2)(x+5)

so x can equal 2 and -5

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A) 2 x -7 =<br>b) -3 x 4 =<br>c) -5 % -6 =​
erastovalidia [21]

Answer:

a)2×-7= -14

b)-3×4= -12

c)-5%+6= -6.05

8 0
3 years ago
Read 2 more answers
Assume you have applied for two jobs a and b. The probability that you get an offer for job a is 0. 25. The probability of being
laila [671]

If you have applied for two jobs a and b and the probability that you get an offer for the job a is 0.25 and the probability of being offered job b is 0.20, then the probability that you will be offered both jobs is 0.05.

Probability is a term used in mathematics that is concerned with the numerical illustration of the possibility of an event to take place. Its value is between 0 and 1 where 0 illustrates the impossibility of the event to take place while 1 illustrates the certainty of an event to take place.

As the probability of both the jobs are not dependent on each other, the probability that both jobs will be offered can be calculated by the formula;

P(A∩B) = P(A) × P(B)

Here, P(A∩B) represents the probability of both the events to take place together

As P(A) is equal to 0.25

P(B) is equal to 0.20

P(A∩B) = (0.25)(0.20)

P(A∩B) = 0.05

Therefore, 0.05 is the probability that both jobs will be offered.

To learn more about probability, click here:

brainly.com/question/251701

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4 0
1 year ago
The store owner tells the girls that half of the DVDS are out on loan. How many DVDS does the store own in total?​
patriot [66]

3

Step-by-step explanation:

i need help to

3 0
2 years ago
if the perimeter of the rectangle was known to be 90 in what would the value of x be in order for this to be true​
Fofino [41]

Answer:

x = 30 in

Step-by-step explanation:

length of rectangle is (2/3)x + 10; width is (1/3)x + 5;

perimeter is 90 in; find x:

P = 90 in = 2(2/3)x + 2(10) + 2(1/3)x + 2(5), or

      90 in = (6/3)x + 30 in

Solving for x, we get (2)x = 60 in, or x = 30 in

8 0
3 years ago
The standard recipe for Hershey’s chocolate is 2/9 cups cocoa and 1/6 cups milk. If Hershey’s decided to pour a total of 14 cups
olya-2409 [2.1K]
Ok so if I understand this correctly then you have to find out what each one of them are then add them to get the total number of both of them. So this is the equation I did. The one circled on blue is the formula I made for the equation and then the green one is the answer. which is 5 4/9

I hope this helps.

3 0
3 years ago
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