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4 years ago

Find the slope of each line.

Mathematics

1 answer:

svetoff [14.1K]4 years ago

7 0

The answer would be -7 since rise over run and it is a negative line.

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3 x 2 5/6 = Group of answer choices 8 2/3 17/18 8 1/2 5 2/3

kvasek [131]

Answer:

The answer is 8 1/2

8 0

1 year ago

Father is four times older than his son. In 14 years the father will be twice as old. What are their current ages?

wariber [46]

Answer:

---

Step-by-step explanation:

The son’s age is unknown, so call it: X

The father’s age, four times older, so that means: 4*X= 4X (I use * for multiply)

After 16 years, we add 16 to both ages:

Son: X+16

Father: 4X+16, now, after 16yrs father’s age 2x older than son:

father→ 4X+16 = 2(X+16) = 2X+32 (father twice older than the son age)

4X +16= 2X+32 (after opening the brackets)

4X-2X= 32 - 16 ——-> we moved 2X to left, turned minus -, we moved 16 to the right turned minus -

2X = 16

X = 16/2 = 8

Son’s age is 8 yrs old

Father(Sunil) age is 4x8= 32

After 16 yrs, Father’s age twice older:

8+16=24 (son)

32+16= 48 (Father,Sunil, twice older than son)

8 0

4 years ago

Read 2 more answers

Please help me What is the volume of the box

lawyer [7]

Answer: 4 1/2

Step-by-step explanation:

Amogus

3 0

3 years ago

Read 2 more answers

Justin recently drove to visit his parents who live 96 miles away. On his way there his average speed was 20 miles per hour fast

never [62]

Answer:

Justin's average speed to his parents' house: x= 40mph

Justin's average speed from his parents' house: x+20=60 mph

Step-by-step explanation:

Let the average speed be x +20

Then average speed from his parents' x

And the distance is S=96

Then we know :

$\displaystyle \frac{S}{x+20} +\frac{S}{x} =4 \\\\\\ \frac{96}{x+20} +\frac{96}{x}=4 \ |\div 4 \\\\\\ 24\bigg(\frac{1}{x+20} +\frac{1}{x} \bigg) =1 \\\\\\ 24\cdot \frac{x+x+20}{(x+20)x} =1 \ |\cdot (x+20)x \ \ \\\\\\48x+480=x^2+20x \\\\ x^2-28x-480=0 \\\\ \rm D=28^2+4\cdot 480=2704 =52^2 \\\\ \boxed{x_1=\frac{28+52}{2} =40} \\\\x_2=\frac{28-52}{2} =-12 \ \ \varnothing$

Justin's average speed to his parents' house: x= 40mph

Justin's average speed from his parents' house: x+20=60 mph

4 0

3 years ago

Enter the fractions in order from the least to greatest 1/5 8/10 1/2

UkoKoshka [18]

Answer:

1/5, 1/2, 8/10

Step-by-step explanation:

If you change all the fractions into x/10, you get:

1/5 = 2/10

1/2 = 5/10

8/10 = 8/10

2/10 < 5/10 < 8/10

hope this helps :)

6 0

4 years ago