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Mamont248 [21]
3 years ago
8

What is 9 times 9 could you answer

Mathematics
2 answers:
Rashid [163]3 years ago
5 0

Answer:

81

Step-by-step explanation:

same as 9+9+9+9+9+9+9+9+9

PtichkaEL [24]3 years ago
4 0

Answer:

lol 81

Step-by-step explanation

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What is the coefficient
Vlada [557]

Answer:

B

Step-by-step explanation:

Using the Pascal's triangle

Pertaining to the 8th term the coefficients are;

1, 8, 28, 56, 70, 56,28, 8 and 1 in that order

Expanding this,

the coefficient of the term x^7y is 8

3 0
3 years ago
Read 2 more answers
Please help me with this
juin [17]

Answer:

x=30, <A=60, <C=30

Step-by-step explanation:

A triangle always has its total angles added up to 180 degrees, so we can set up the following equation:

90+2x+x=180

90+3x=180

3x=90

x=30

Since x=30, this means <C is 30 degrees. For <A, it's twice as much as <C, so 2*30=60.

So x=30, <A=60, <C=30

Hope this helped!

8 0
3 years ago
Read 2 more answers
The area of a rectangular dining room is 16 square meters. The perimeter is 16 meters. What are the dimensions of the dining roo
neonofarm [45]

Answer:

4

Step-by-step explanation:

The area is 16, and you know that it's 2 sides u need to multiply

The perimeter is 16, and you know that you need to add up all the sides

So....

A = b * h

A = 4 * 4

A = 16    CORRECT

And....

P = S + S + S + S                                                         ( s = sides)

P = 4 + 4 + 4 + 4

P = 16 CORRECT

Hope this helped!

Have a supercalifragilisticexpialidocious day!

6 0
3 years ago
What is the period of the sinusoid given by y=-3cos(2pi/5x)? Is it 2/5? Please explain.
alex41 [277]
Y = a sin b x
amplitude = a
period = 2π /b.

<span>y = 6 sin x
a = 6
b = 1
</span>
a, the amplitude, represents the highest point a graph reaches;
a = 6

The period represents the length of a cycle-

the period = 2π /b = 2π/1 = 2π

6 0
4 years ago
Read 2 more answers
2) A jacket that is regularly priced at $175 is on sale, at a discount of 35%.
Mandarinka [93]

Answer:

$113.25

Step-by-step explanation:

35% of 175 is 61.25. Since it's 35% OFF we have to subtract 61.25 to 175 which is 113.25.

I hope this helps and if it did I would appreciate it if you marked me Brainliest. Thank you and have a nice day!

5 0
3 years ago
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