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navik [9.2K]
3 years ago
11

Solve the system of equations using substitution.

Mathematics
2 answers:
TEA [102]3 years ago
6 0
I think the answer is C
Lunna [17]3 years ago
5 0
See attached picture for answer:

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PLS HURRY
Goryan [66]

Answer:

The answer is A. One graph uses an open circle, but the other graph uses a closed circle. Also, the rays use arrows that point in opposite directions, but they have the same endpoint.

7 0
3 years ago
Suppose you are running in a marathon for charity, looking to raise at least $1500. People may sponsor you by donating either $1
Marrrta [24]

Answer:

See below ~

Step-by-step explanation:

<u>Let</u> :

  • x = people donating $15 when you run
  • y = people donating $25 when you run

<u>Two inequalities created are</u> :

  • 15x + 25y ≥ 1500
  • 3x + 5y ≥ 300 [Simplified] ⇒ Inequality 1
  • x + y ≤ 100 ⇒ Inequality 2

<u>Solving</u>

<u />

3 0
2 years ago
Read 2 more answers
DO IT ASAP! Thank you very much!
frozen [14]

Answer:

a = 5

Step-by-step explanation:

According to the factor theorem, if x + 2 is a factor, then by dividing the polynomial by the binomial, we are meant not to have a remainder

In this case, the remainder would be zero

So, if we set the binomial equals zero and substitute the x-value into the polynomial, we are supposed to have 0

So we have this as;

x + 2 = 0

x = -2

-2^3 -2(-2)^2 -2(a) + 6 = 0

-8-8-2a + 6 = 0

-16 + 2a + 6 = 0

2a -10 = 0

2a = 10

a = 10/2

a = 5

3 0
3 years ago
Suppose that two cards are randomly selected from a standard​ 52-card deck. ​(a) what is the probability that the first card is
Charra [1.4K]
Hey ,here is the answer to ur question....!
(a).p(that the first card is a queen)=4/52=2/26=1/13
P(the card is a queen if the sampling is done without replacement)=3/52
(B).p(the first card is a queen)=4/52=1/13
P(the second card is queen of the sampling is done with replacement)=1/13....
Hope this helps you....!
8 0
3 years ago
Which of the following statements correctlydescribes the points
gregori [183]

The first statement is correct

To calculate the distance we have to substrate the values of the Y axis only since X values are constant so the distance IS 4 - - 7=4+7=11

4 0
3 years ago
Read 2 more answers
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