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Vika [28.1K]
3 years ago
10

What’s the correct answer for this question?

Mathematics
1 answer:
Jobisdone [24]3 years ago
8 0

Answer:

A.

Step-by-step explanation:

A quadrilateral inscribed in a circle has its opposite angles adding up to 180°

So

<NOP + <M = 180

4x+8x-24 = 180

12x = 180+24

12x = 204

Dividing both sides by 12

x = 17

<NOP = 4(17)

= 68°

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Solve using the quadratic formula.<br> 3x^2+6x+7=0
Ghella [55]
I hope this helps you

8 0
3 years ago
Which expression is equivalent to (73)−2?
rosijanka [135]

Answer:

73-2=71

so 71 is the correct answer

4 0
3 years ago
8a - 4b = 20<br>5a - 8b = 62<br><br>What are the values of a and b?​
erastovalidia [21]

Answer:

a=2 , b= (-1)

Step-by-step explanation:

8a-4b=20/×(-2)

5a-8b=62

-16a+8b= -40

5a-8b=62

now -8+8=0 right? so the only parameter that we have is a.

-16a+5a= -40+62

11a = 22/(÷11)

a=2

in order to find b, we will replace a with its value in one of the original equations (it doesn't matter which one you will choose).For instance, I chose the first one.

8×2-4b=20

-4b=20-16

-4b=4/÷(-4)

b= -1

7 0
2 years ago
Find the perimeter of a square whose area is 168cm square​
Elis [28]

Answer:

51.84 cm

Step-by-step explanation:

Solution,

We have,

Area of the square= L²

According to question,

168 cm²= L²

√168 cm²= L²

√(12.96 cm)² = L

12.96 cm= L

Now,

We got,

Length of the square= 12.96 cm

By using the formula of perimeter of square,

We have,

Perimeter of square= 4L

=4×12.96 cm

=51.84 cm

Hence, the perimeter of square is 51.84 cm.

3 0
3 years ago
Read 2 more answers
Jerome went on a hike. He climbed 3/4 of a mile in 2/3 of an hour. What was his hiking speed in miles per hour?
Anvisha [2.4K]
1 hour = 60 mins 1 mile = 60 mins 3/4 = 45 mins. 2/3 = 40 mins. So 45+ 40 = 1 hour and 25 mins.
6 0
3 years ago
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