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Triss [41]
2 years ago
9

Negative 4 squared + (5 minus 2) (negative 6)

Mathematics
1 answer:
Firlakuza [10]2 years ago
6 0

Answer:

-2

Step-by-step explanation:

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Select each perfect square
3241004551 [841]

Answer:

hi

Step-by-step explanation:

1 and 2 no are perfect square other r not

8 0
3 years ago
Read 2 more answers
Can someone help me find the value of z? ⅔z + 1 = 13
sergey [27]

Answer:

z = 18

Step-by-step explanation:

Given: ⅔z + 1 = 13

Subtract one from both sides: ⅔z = 12

Multiply both sides by the inverse of 2/3, which is 3/2: z = 18

Have a nice day!

    I hope this is what you are looking for, but if not - comment! I will edit and update my answer accordingly. (ノ^∇^)

- Heather

4 0
2 years ago
What is the measure of the unknown angle?
Romashka-Z-Leto [24]

Answer:

63

Step-by-step explanation:

a entire circle is 360⁰

so you do:

360-297

6 0
2 years ago
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I don't understand this please help
Troyanec [42]
Circle area equation is 3.14 x r squared.
So for question 1,
The radius is 3 cm.
We can square the radius ( 3 squared = 9).
After that, 9 x 3.14 = 28.26.

And after that we match our answers on the right hand column. Since we don't have the answer as given, we try to look for similar numbers. If we look at H, it shows us 0.2826 km squared. When cm is turned into km, the decimal moves two digits to its left. So for question 1, H is correct.
4 0
3 years ago
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Prove:<br> sin^2x (sec^2x + csc^2x)=sec^2x
Vikki [24]
Sin^2x (sec^2x + csc^2x) = sec^2x

I would convert the functions in the parentheses to their reciprocals.

sin^2x (1/cos^2x + 1/sin^2x) = sec^2x

Now distribute the sine.

sin^2x/cos^2x + sin^2x/sin^2x = sec^2x

Remember that sine divided by cosine is always tangent.

tan^2x + sin^2x/sin^2x = sec^2x

The remaining fraction is simply 1.

tan^2x + 1 = sec^2x

Use the Pythagorean identity to add the left side.

sec^2x = sec^2x

Q.E.D.
4 0
2 years ago
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