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Crazy boy [7]
3 years ago
14

Solve the equation. –x – 7 = 16 –23 8 22 –9

Mathematics
1 answer:
Svetradugi [14.3K]3 years ago
4 0

Answer:

x = - 23

Step-by-step explanation:

Given

- x - 7 = 16 ( Isolate - x by adding 7 to both sides )

- x = 23 ( multiply both sides by - 1 )

x = - 23

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Determine whether each quadrilateral is a parallelogram. Write yes or no. If yes, give a reason for your answer. ​
emmasim [6.3K]

Answer:

yes

Step-by-step explanation:

All of the opposite sides are parallel  to each other.  

6 0
2 years ago
It is estimated that 7 out of 10 people invited to a wedding will attend. If Mark and Katie invite 120 people, how many should t
Margarita [4]

7 and 10 is half

so we expect the people come to wedding half of 120÷2=60 people

i just try

5 0
2 years ago
C = d where C is the circumference of a circle, is about 3.14, and d is the diameter.
Rzqust [24]

Answer:

Formula for Circumference of a Circle

Circumference is given by the formula C = πd where π = 3.14 and d is the diameter of the circle. Circumference is given by the formula C = 2πr where π = 3.14 and r is the radius of the circle.

Hope it's helpful to you

3 0
3 years ago
PLEASE HELP ASAP 40 PTS
DochEvi [55]

Answer:

40 + 3x + 4 + 3x + 4 = 180

48+6x=180

48 - 48 + 6x = 180 -4 8

6x = 132

6x/6 = 132/6

x = 22

Step-by-step explanation:

1. since the triangle is isosceles, angles A and C will have the same measures, so to solve for x, you can add another 3x + 4 or you can multiply A by 2.

2. add like terms

3. subtract

4. divide to get x

7 0
3 years ago
a shelf holds 3 novels, 2 biographies, and 1 history book. two students in turn choose a book at radom. what is the probability
shepuryov [24]
1/2 choose biographies
3 0
2 years ago
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