One number is nine more than a second number. Four times the first is 6 less than 2 times the second. Find the numbers.

Mathematics

1 answer:

Masteriza [31]3 years ago

6 0

9514 1404 393

Answer:

-12, -21

Step-by-step explanation:

Let x represent the first number. Then the second is x-9. The other relation is ...

4x = 2(x-9) -6

2x = -24 . . . . . subtract 2x, simplify

x = -12

x-9 = -21

The first number is -12; the second number is -21.

You might be interested in

Which Data set has the smallest IQR ?

mel-nik [20]

Answer:

<h2 /><h2>The interquartile range (IQR) is the difference between the upper (Q3) and lower (Q1) quartiles, and describes the middle 50% of values when ordered from lowest to highest. The IQR is often seen as a better measure of spread than the range as it is not affected by outliers. Interquartile Range. 25% of values.</h2>

<h2 />

<h2>here your answer </h2>

8 0

3 years ago

Find the probability that when a couple has three children, at least one of themis a girl. (Assume that boys and girls are equal

kvv77 [185]

Answer: $\bold{\dfrac{7}{8}=87.5\%}$