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mote1985 [20]
3 years ago
15

What number replaces the ◊?

Mathematics
2 answers:
Iteru [2.4K]3 years ago
7 0

A. 3

First, simplify the equation. (x means the same thing as the symbol)

19 + x = 22

Subtract 19 from both sides of the equation.

x = 22 - 19

x = 3

There’s the answer!

PolarNik [594]3 years ago
3 0

Answer:

The answer is A.

15 + 4 + 3 = 15 + 7

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62+x=82<br><br><br> Does any one know this answer
Vladimir [108]

62 + x = 82

Subtract both sides by 62.

x = 20.

4 0
3 years ago
Read 2 more answers
A.) If m 1 = 3x - 7, find x.
aleksley [76]

Answer:

x = 25

Step-by-step explanation:

Angle 1 and the angle opposite from Angle 1 (the angle that's 68°) are vertical angles.

What are vertical angles, you ask?

According to the Oxford dictionary, vertical angles are each of the pairs of opposite angles made by two intersecting lines.

For example, take the letter X. The letter X has two lines that intersect to form 4 angles. The top and bottom angles are a pair of vertical angles. So are the left and right angles.

Vertical angles are always congruent.

(This is VERY important to know! It will help you solve many types of geometry problems!)

m1 is 3x - 7. Because Angle 1 and the angle that's 68° are vertical angles, that means they are equal to each other.

Therefore: 3x - 7 = 68.

Now, you can solve for x to get x = 25.

Hope this helps!

3 0
3 years ago
Find the slope of the line in the graph below
Andru [333]
Answer =-3 or -3/1

You can either do rise/run
Or you can find two points on the line and do (y2-y1)/(x2-x1)

Two points on the line are (-1,2) and (-3,-4)
X1=-1 Y1=2
X2=-3 Y2=-4

(y2-y1)/(x2-x1) = (-4-2)/(-3-(-1)) =(-6)/(-3+1)
=-6/-2 = -3

So slope =-3/1 or -3 (same thing)
7 0
3 years ago
Here is another one. I really hate geometry.
andriy [413]
Its sideways and I cant read it
7 0
3 years ago
The probability that you will get grounded if you have a bad grade is 85%. The probability that you will get grounded and have e
alexandr402 [8]
If you are grounded, there are two options - you are only grounded or you have extra chores too. Therefore, at that point, there is a 100% chance of you already being grounded - we need to figure what percentage of 100 the extra chores is. To find that, we can do 50/85= around 59% percent
6 0
4 years ago
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