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stiks02 [169]
3 years ago
14

9 written in exponential form

Mathematics
1 answer:
vredina [299]3 years ago
5 0
You could write 3^2 which is the same as 9. 
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If x=8 what is the value of x(17-x)?
Svetlanka [38]
The highest power is 2.
Explanation:
Because x has a maximum power of 2, there will be 2 answers. if it were 3, there could be up to 3 answers, etc.
While solving this problem, you gather all terms on one side so the equation looks like
x
2
−
81
+
17
=
0
x
2
−
64
=
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then factor
(
x
−
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)
(
x
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=
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then, because any number times 0 equals 0, we know that one of the two parts in the parenthesis must be equal to 0, so
x
−
8
=
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or
x
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and so the two answers
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7 0
3 years ago
Read 2 more answers
What kind of sequence is this? 143, 125, 107, 89, ...
podryga [215]

Hello from MrBillDoesMath!

Answer:   It is part of an arithmetic progression

Discussion:

143 - 125 = 18

125 - 107 = 18

107 - 89  = 18


The value 18 is subtracted from each term in the arithmetic sequence.

Regards, MrB

4 0
3 years ago
9 times a number has 1 subtracted from it. The result is trebled. The answer is the same if you add 7 to twice the number and mu
Natali [406]

Answer: 4

Step-by-step explanation: 1) You need to first understand the question and a way to do that is to list plainly the information given.

2) Let the number be (X)

3) For the equation from the first sentence given; 3(9x-1)

4) From the second sentence; 7(7+2x)

5) Equating both sentences together, since the question says they are the same 3(9x-1) = 7(7+2x)

6) Opening the bracket/expanding the equation.... 27x-3=49+14x

Solving further we will have 13x = 52

X= 52/13

= 4

3 0
3 years ago
Read 2 more answers
Please help, it's for a geometry quiz, show all work please, question in the image attached
aliya0001 [1]

Answer:

m<ABC=94°

m<BCD=25°

m<ACB=43°

Step-by-step explanation:

To find <mBCD

m<ABD=133°, so m<CBD=133° too.

A triangle is equal to 180°.

22°+133°=155°

80°-155°=25°

To find <mACB

You first need to know triangle ACD measurements.

m<ADC=44° (22°+22°)

Then you take the two 25 and add them.

25°+25°=50°

50°+44°=94°

180°-94°=86°

86°÷2=43°

To find m<ABC

43°+43°=86°

180°-86°=94°

4 0
3 years ago
Why did the 30-60-90 triangle marry the 45-45-90 triangle
Tatiana [17]

Answer: because they were right for each other.

Step-by-step explanation:

8 0
4 years ago
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