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Mamont248 [21]
3 years ago
7

the points (80,20) and (120,30) form a proportional relationship. What is the slope of the line that passes though these points?

BRAINLIST IF RIGHT!!!!!

Mathematics
1 answer:
Nutka1998 [239]3 years ago
3 0

Answer:

1/4

Step-by-step explanation:

gradient formula= Δy/Δx

80-120/20-30=1/4

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If you look at the position they all go up one and the value of terms all go up by 3 so 4+1=5 so 5 goes where no is and and 11+3=14
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Which polygon in the diagram cannot be mapped onto the others by similarity transformations?
Rom4ik [11]

Answer:   B.) PQRST


Step-by-step explanation:

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6 0
2 years ago
Choose the linear inequality that describes the graph. The gray area represents the shaded region.
jek_recluse [69]

Answer:

2x + 3y ≥ 5

Step-by-step explanation:

See the graph attached.

The bold straight line passes through the points (1,1) and (4,-1).

Therefore, the equation of the straight line will be  

\frac{y + 1}{- 1 - 1} = \frac{x - 4}{4 - 1}

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⇒ 3y + 3 = - 2x + 8

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Now, the shaded region i.e. the solution to the inequality does not include the origin(0,0).

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Therefore, the inequality equation is 2x + 3y ≥ 5 (Answer)

6 0
3 years ago
Q5: The probability that event A occurs is 5/7 and the probability that event B occurs is 2/3 . If A and B are independent event
bekas [8.4K]

Answer:

P(A \cap B)

And we can use the following formula:

P(A \cap B)= P(A)* P(B)

And replacing the info we got:

P(A \cap B) = \frac{5}{7} \frac{2}{3}= \frac{10}{21}=0.476

Step-by-step explanation:

We define two events for this case A and B. And we know the probability for each individual event given by the problem:

p(A) = \frac{5}{7}

p(B) = \frac{2}{3}

And we want to find the probability that A and B both occurs if A and B are independent events, who menas the following conditions:

P(A|B) = P(A)

P(B|A) = P(B)

And for this special case we want to find this probability:

P(A \cap B)

And we can use the following formula:

P(A \cap B)= P(A)* P(B)

And replacing the info we got:

P(A \cap B) = \frac{5}{7} \frac{2}{3}= \frac{10}{21}=0.476

7 0
3 years ago
- Ralph is saving money. He already has $50. To make
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Answer:

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