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EastWind [94]
3 years ago
12

Which phrase is NOT a way to state the meaning of the expression x – 3?

Mathematics
2 answers:
Gala2k [10]3 years ago
6 0

x - (-3) the the answer I think not sure

MrRissso [65]3 years ago
5 0

Answer:

<h2>"A number subtracted from 3"</h2>

Step-by-step explanation:

The given expression is

x-3

Notice that this expression is about a difference between a variable and the number 3.

Remember that a variable is called "a number" in a general form, indicating that it's an unknown value.

So, the best way to state the meaning of this expression is

"The difference between a number and 3" or

"A number minus 3" or

"Three subtracted from a number".

Now, a wrong way to represent this expression is

"A number subtracted from 3", this is wrong because it's indicating the difference in the wrong direction, this statement is setting the number as negative, which is not true.

Therefore, the right answer is

<h3>"A number subtracted from 3"</h3>
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I need help with part a and b. sorry its kind of hard to read
Anastasy [175]

Answer:

A) 4900

B) How far above she is before she starts hiking/the distance she is from the canyon floor.

Step-by-step explanation:

Since it's linear, it will follow the formula y=mx+c.

We can sub in the values to get:

3500=m(1)+c → 3500-m=c

2100=m(2)+c → 2100 = 2m+c

Sub '3500-m' in for c:

2100=2m+3500-m

m= -1400

c=3500-m=3500-(-1400)=3500+1400=4900

∴equation is: y= -1400x+4900

To find the initial value, ie when the number of hours = 0, we sub in zero for x:

y = -1400(0) + 4900

PART A ANS: 4900

PART B ANS: Since the number of hours passed is zero, the value represents how far above she is before she starts hiking/the distance she is from the canyon floor.

5 0
3 years ago
Evaluate the algebraic expression, 3x + 2, for the different values of x listed.
cestrela7 [59]
For X=-0.5
3(-0.5)+2
Answer=0.5

For x=-1
3(-1)+2
Answer=-1
6 0
3 years ago
Read 2 more answers
the bus bound for northtown departs every 15 minutes and the bus for eastown departs every 18 minutes from the central station.
USPshnik [31]

Considering the least common factor of 15 and 18, it is found that they will depart from the central station at the same time at 11 AM.

<h3>How to find the time it takes for periodic events to repeat at the same time?</h3>

To find the time that passes between the events happening at the same time, we need to find the least common multiple of the periods.

In this problem, the periods are of 15 and 18, hence their lcm is found as follows:

15 - 18|2

15 - 9|3

5 - 3|3

5 - 1|5

1 - 1

Hence:

lcm(15,18) = 2 x 3 x 3 x 5 = 90 minutes.

They will depart from the central station at the same time in 90 minutes from 9:30 AM, hence at 11 AM.

More can be learned about the least common factor at brainly.com/question/16314496

#SPJ1

7 0
2 years ago
What is 3x+5=-8(x+3)
sashaice [31]

Answer:

-29/11

Step-by-step explanation:

i used a calculator lol

4 0
3 years ago
Can anyone help me with these two questions? Even if you can only do one of them its greatly appreciated. Thanks in advance.
o-na [289]
F(x)=2x+8
G(x)=x-4

Plug g(x) into f(x)
F(g(x))=2(x-4)+8

Distribute
F(g(x))=2x-8+8

Simplify
F(g(x))=2x
7 0
4 years ago
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