Ask question

Ask question

All categories

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!!!!!

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

You might be interested in

In a certain college, 33% of the math majors belong to ethnic minorities. If 7 students are selected at random from the math maj

Digiron [165]

Answer: a) 0.996, b) 0.253, c) 0.02.

Step-by-step explanation:

Since we have given that

Probability of success = Probability of the math majors belong to ethnic minorities = 33% = 0.33 =p

Probability of failure = q = 1-0.33 = 0.67

Number of students selected = 7

a) No more than 5 belong to an ethnic minority

So, using "binomial distribution", we get that

$P(X\leq 5)=\sum^5 _{x=0} ^5C_x(0.33)^x(0.67)^{5-x}=0.996$

b. Exactly three of them belong to an ethnic minority

So, it becomes,

$P(X=3)=^7C_3(0.33)^3(0.67)^4=0.253$

c. None of them belong to an ethnic minority

$P(X=0)=^7C_0(0.33)^0(0.67)^7=0.02$

Hence, a) 0.996, b) 0.253, c) 0.02.

8 0

3 years ago

find the volume of each geometric solid in the figure below. Then determine the volume of the entire figure. (use pi=3.14 and ro

Licemer1 [7]

Answer: All volume is measured in cubic feet.

7 0

4 years ago

Find the LCD for the following fractions: , 25x3 60x3 25x5 60x5

zimovet [89]

Answer:

We need to find the lowest common divisor which is the smallest possible number that is dividable by ALL numbers.

We have the following numbers:

$\frac{25}{3}$

$\frac{60}{3}$

$\frac{25}{5}$

$\frac{60}{5}$

For the denominators (3, 3, 5, 5) the least common multiple (LCM) is 15.

LCM(3, 3, 5, 5) . Therefore, the least common denominator (LCD) is 15.

Rewriting the original inputs as equivalent fractions with the LCD:

125/15, 300/15, 75/15, 180/15

7 0

4 years ago

I need help please!:D

True [87]

5×15= 75 the 4 days is irrelevant

4 0

3 years ago

Read 2 more answers

Determine the value of x for which a || b if m<3=10x and m<5=12x-25

dangina [55]

10x=12x-25
-2x=-25
2x=25
x=2.5

6 0

3 years ago