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Naily [24]
3 years ago
10

I will ive brainliest answer

Mathematics
2 answers:
yarga [219]3 years ago
8 0

The red line is y=1/2x -4 while the blue one is y=-2x+1. It's the last statement

iogann1982 [59]3 years ago
8 0

For this case what you should do is see the point of intersection of both graphics.

The point of intersection represents the solution of the system of equations.

We have then that the solution is given by:

(x, y) = (2, -3)

We have then that the system of equations is:

(1/2) x-4 = -2x + 1

Substituting the value of x = 2 the result on both sides of the equation must be -3.

We have then:

(1/2) (2) -4 = -2 (2) +1\\1-4 = -4 + 1\\-3 = -3

Abswer:

(1/2) x-4 = -2x + 1

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What is the slope of the line through (-4,2) and (3, 3)? "/ yo Choose 1 answer: 19 21 42 142 A А 7 5 B 7 5 5 7 5 7 e slope an​
NNADVOKAT [17]

Answer:

1/7

Step-by-step explanation:

m=(y2-y1)/(x2-x1)

m=(3-2)/(3-(-4))

m=1/(3+4)

m=1/7

5 0
3 years ago
Please help will give brainliest
deff fn [24]

Since the sum of the probabilities of all possible outcomes must be 100%, we can deduce the following:

  • Cooking in under 20 minutes: 10%
  • Cooking between 20 and 30 minutes: 85%
  • Cooking in more than 30 minutes: 5%

In fact, the probabilities of cooking in less than 20 or more than 30 sum up to 15%, which means that the remaining outcome (i.e. cooking time between 20 and 30) must complete this probability to 15, and in fact 15+85=100.

That being said, all three answers are simply a combination of these three scenarios: let C be the cooking time, for aesthetic reasons:

P(C\geq 20) = P(20 \leq C \leq 30)+P(C\geq30) = 85\%+5\%=90\%

P(20 \leq C \leq 30) = 85\%

P(C\leq 30) = P(C\leq20)+P(20 \leq C \leq 30) = 10\%+85\%=95\%

3 0
3 years ago
Which equation is correct?
Vlad [161]

Step-by-step explanation:

SOHCAHTOA

sin=opp/hyp

cos=adj/hyp

tan=opp/adj

option B is correct

6 0
2 years ago
Read 2 more answers
4.26 as a mixed number in simplest form
VikaD [51]
The answer is 4 13/50
8 0
2 years ago
Ahhhh i need help again.
qwelly [4]

Answer:

B

Step-by-step explanation:

A. these simply to 21 + 7x and 21 + 3x

  • this one is incorrect because the 7x and 3x are different

B. these simplify to 10 + x and 10 + x

  • this is the correct one since they are exactly the same

C. these simplify to 21x and 7x + 21

  • these two are not the same because one expression has only a number with a variable but the other one has a number with a variable <em>and </em>another number

D. these simplify to  \frac{7}{3-x}  and  \frac{7}{x-3}

  • in subtraction, the order of the 3 and the x matters, so the equations are not the same
  • example: 6 - 4 = 2 but 4 - 6 = -2
3 0
2 years ago
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