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Darya [45]
3 years ago
7

Solve for x 3+5x=18

Mathematics
2 answers:
Nikitich [7]3 years ago
7 0

Answer:

x=3

Step-by-step explanation:

e-lub [12.9K]3 years ago
6 0
Working:
3+5x=18
5x=15
x=3

So the answer is x=3
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. Which of the following statements is not true?
lesantik [10]

Answer:

If x^2 = 1, then x = 1 is NOT true because x can also be -1.

6 0
2 years ago
Draw a model to represent the problem 1/2 divided by 2/8
Vlad [161]
The answer is 2 because 2/8+ 1/4 and 1/4 goes into 1/2 twice because 1/4 times 2 equals 2/4 and 2/4= 1/2.
7 0
3 years ago
Read 2 more answers
30 points!!!
AysviL [449]
<h3>Answer: The graph is shown in the attached image below</h3>

-2x means -2*x or "-2 times x" where x is a placeholder for any number you want.

To graph y = -2x, you just need two points. Each point is of the form (x,y)

Let's plug in zero as it is often the easiest to work with.

If x = 0, then -2*x = -2*0 = 0. Notice how I replaced x with 0 and simplified.

Therefore, if x = 0, then y = 0. We have (x,y) = (0,0) as one point on this line. I have marked it as point A in the graph.

Point B is (1, -2) and it is found by plugging x = 1 into the equation to get...

y = -2x

y = -2*1

y = -2

You could find other points, but two points is enough to draw a straight line through them. The slope of this line is -2 = -2/1. The y intercept is 0.

6 0
4 years ago
A card is drawn from a standard deck. Find the probability of drawing a heart or a 7.
Mazyrski [523]
<h3>Answer:   4/13</h3>

=======================================================

Explanation:

There are A = 13 hearts and B = 4 copies of "7"

The count A+B = 13+4 = 17 may seem like it's the count of hearts or "7" cards, but we're double counting the 7 of hearts. So the true count is actually 17-1 = 16

There are 16 cards we want (either a heart or a "7") out of 52 total. Therefore, the probability is 16/52 = (4*4)/(4*13) = 4/13

6 0
3 years ago
Greenfield village is spread across 240 acres of land. Only 37% of the land is used for the exhibits, while the rest of the land
irinina [24]

88.8 acres are used for exhibits

Step-by-step explanation:

Given

Total area of Greenfield = 24 acres

Percentage of lad for exhibits = 37%

Now,

Acres\ used\ for\ exhibits = 37\%\ of\ 240\\= \frac{37}{100} * 240\\=0.37*240\\=88.8\ acres

Hence,

88.8 acres are used for exhibits

Keywords: Percentage, percent

Learn more about percentage at:

  • brainly.com/question/4168505
  • brainly.com/question/4228574

#LearnwithBrainly

6 0
3 years ago
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