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olga nikolaevna [1]
3 years ago
13

Ratio of A and B's age = 6:5 A's age = 18 Find out b's age pls fast!!

Mathematics
1 answer:
Murljashka [212]3 years ago
3 0

Answer: I am pretty sure its 15 for Bs age!

Step-by-step explanation:  All I did is find the equivalent ratio!

5 x 3 is 15 and 6 x 3 is 18

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Scott has a rope 8 metres long. He says, “I need 9 pieces each 0.89 metres long.’’ Will Scott have enough ribbon?
Lelechka [254]

Answer:

B

Step-by-step explanation:

How did it go from "rope" to "ribbon", therefore, the statement is incorrect. This is a man-made equation that clearly has a mistake. If it was to say, "Will Scott have enough rope?" then the answer will be "YES"

7 0
3 years ago
Solve for y y−(−10)=−41
aliina [53]

Answer:

y = -51

Step-by-step explanation:

y - (-10) = -41

Subtracting a negative number: - (-10) is the same as just adding a positive number + 10, so we'll use this to simplify the expression.

y + 10 = -41

Now, we can subtract 10 from both sides of the equation in order to isolate y.

10 - 10 = 0

-41 - 10 = -51

This means the equation is now:

y = -51

Let's check this answer:

Input -51 as y:

-51 - (-10) = -41

-41 = -41

It works!

This means y = -51 is the answer!

8 0
3 years ago
Read 2 more answers
Joshua teaches an SAT preparation class where each student takes a pre-test on the first day of class and a post-
Lelu [443]

Answer:

Cannot be determined

Step-by-step explanation:

The scores are not independent

5 0
3 years ago
In the middle of the page, draw a rectangle 3 inches long and oriented vertically. Both shorter sides should be an inch.
sveticcg [70]
It is a traffic light: a vertical rectangle, divided in thre squares, each with a circle in the center.
6 0
3 years ago
Determine the intercepts of the line that passes through the following points (10,20) (15,12) (20,4)
Novay_Z [31]

Answer:

x intercept is (45/2,0)

y intercept is (0,-36)

Step-by-step explanation:

Slope intercept form of equation of line is

y=mx+b where m is the slope and b is the y intercept

use any two points to find the slope

(10,20) (15,12)

slope = \frac{y_2-y_1}{x_2-x_1} =\frac{12-20}{15- 10} = \frac{-8}{5}

m = -8/5

now we find out b using (10,20)

20 = \frac{-8}{5} (10)+b

20 = -16 + b

add 16 on both sides , so b = 36

b is the y intercept , so y intercept is (0,-36)

Now we find x  intercept

equation of line is y=mx+b that is y = \frac{-8}{5}x+36

To find x intercept plug in 0 for y

0= \frac{-8}{5}x+36

subtract 36 on both sides

-36= \frac{-8}{5}x

Multiply by -5/8 on both sides

-36*\frac{-5}{8}=x

\frac{45}{2}=x

x intercept is (45/2,0)


5 0
4 years ago
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