3 years ago

Which ratio correctly compares 30 in. to 2 ft, when the lengths are written using the same units?

Mathematics

1 answer:

saul85 [17]3 years ago

6 0

D. 15:1 is equivalent to 30:2. (:

You might be interested in

Find the interquartile range (IQR) of the data in the dot plot below.

kolbaska11 [484]

Answer:

(IQR) interquartile range: 12 - 9 = 3

Step-by-step explanation:

Median: 10

Lower quartile: 9

Upper quartile: 12

Interquartile Range: 12 - 9 = 3

5 0

3 years ago

One number is eight more than twice another. If their difference is 25, what is the larger number?

Vladimir79 [104]

You can set up an system of equations
x=2y+8
x-y=25

Substitute x in to the second equation
2y+8-y=25
y+8=25
y=17

Substitute the y back in to the first equation.
x=2(17)+8=42

7 0

3 years ago

X=4y-5 2x+3y=23 Solve using the substitution method

jenyasd209 [6]

Answer:

x =7, y = 3

Step-by-step explanation:

We substitute the value of x in terms of y (given) into the equation.

Then we solve for y and plug in the value of y back into the equation for the value of x to find x.

3 0

3 years ago

How to solve this question please helpp!!!!!! Q1. cos -1 ( - √3/2 )

Amiraneli [1.4K]

Answer:

cos( $\sqrt{\frac{3}{2} }$ ) or 0.339

Step-by-step explanation:

6 0

3 years ago

How many centimeters are there in 1/5 of an inch

Lynna [10]

Answer:

0.508

Step-by-step explanation:

4 0

3 years ago