I prefer D.

It's clear that Kevin took (1/4)x.
Keith took (1/4)x -> kevin's amount
* 2 -> twice.
-1 -> 1 less.

So Kevin + Keith = (1/4)x + (1/4)x * 2 - 1 = (3/4)x - 1.

3 0

3 years ago

PLEASE HELP ME IM STRUGGLING WITH MATH I NEED THE ANSWER IN LIKE 2 MINUTES PLZ

nydimaria [60]

Answer:

Step-by-step explanation:

I just plugged in the numbers

Change 3/4 to 0.75 and then plug in 8

0.75(8 + 12) = 15

0.75(20) = 15

15 = 15

Hope this helps :)

5 0

3 years ago

Read 2 more answers

Write the set of real numbers from -10 through 10 in interval notation.

alexdok [17]

Answer:

$Interval: [-10.10]$

Step-by-step explanation:

Given

Set: -10 to 10

Required

Write as interval notation

We start by writing the given parameter as an inequality

$Inequality: -10 \leq x \leq 10$

The direct representation of $\leq$ and $\geq$ in interval representation of sets is $[$ and $]$ , which shows that the beginning and end of the interval are inclusive;