I need help solving this, please!:

Mathematics

1 answer:

svetoff [14.1K]3 years ago

3 0

Answer:

i think the answer is a) 9/5

You might be interested in

Ralph is 3 times as old as Sara. In 4 years, Ralph will be only twice as old as Sara will be then. Find Ralph's age now. Ralph's

IgorLugansk [536]

Let
R = Ralph's age
S = Sara's age

First statement is translated as:
S = 3R

Second statement is translated as:
S + 4 = 2(R + 4)

Use the first equation to be substituted into the second one in terms of R which is the one we are actually going to solve for Ralph's age.
Since S = 3R, then
3R + 4 = 2(R + 4)
3R + 4 = 2R + 8
3R - 2R = 8 - 4
R = 4 years old

7 0

3 years ago

Read 2 more answers

What is the linear function equation represented by the graph?

SVETLANKA909090 [29]

Answer:

$y=\frac{1}{3}x -4$

Step-by-step explanation:

To write a linear function, use y=mx+b where m is the slope and b is the y-intercept. The y-intercept is where the line on the graph crosses the y-axis. On the graph is crosses at (0,-4). So b=-4. To find the slope, subtract the difference between two points on the line which cross through a grid line intersection. (0,-4) is one point. (3,-3) is another.

$\frac{-3--4}{3-0}=\frac{-3+4}{3} =\frac{1}{3}$

Input 1/3 and b=-4 into y=mx+b.

$y=\frac{1}{3}x -4$

4 0

3 years ago

Simplify negative 8 over 3 divided by negative 2 over 6

Art [367]

Answer: The answer is 8

5 0

3 years ago

Complete the table to show the area of each circle.

Troyanec [42]

Answer: look at my work its 10 pi cm ^2

Step-by-step explanation:

3 0

2 years ago

Read 2 more answers

What is the expanded notation for 2,909? Numbers may be used Once,More than once, or not at all.

defon

(2 x 1,000) + (9 x 100) + (9 x 1)
Always check the place values by looking at the number (2,909) and you can figure out what number to multiply it by. Guess and check if you can’t recognize it right away.

3 0

3 years ago