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MAXImum [283]
3 years ago
9

May someone please help me, please? This is about exponents by the way. About 5 questions I need help with.

Mathematics
2 answers:
Rina8888 [55]3 years ago
8 0
Anything that is raised to 0 ALWAYS equals to 1.
Leno4ka [110]3 years ago
5 0

Answer:

1. 1  

2. 1

3. 16/81

4. 3

5. 3

Step-by-step explanation:

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Lisa can paint a wall in four hours. Sissi needs eight hours to paint the wall. How long will it take if they are helped?
never [62]

Answer:

It will take very less time actually. we cannot say accurately because if two girls start to chat they will till next day

4 0
3 years ago
Solve. 10x^2 = 6 + 9x10x 2 =6+9x10, x, start superscript, 2, end superscript, equals, 6, plus, 9, x Choose 1 answer: Choose 1 an
yulyashka [42]

Answer:

Option B.

Step-by-step explanation:

If a quadratic equation is defined as

ax^2+bx+c=0         .... (1)

then the quadratic formula is

x=\dfrac{-b\pm \sqrt{b^2-4ac}}{2a}

The given equation is

10x^2=6+9x

It can rewritten as

10x^2-9x-6=0            .... (2)

On comparing (1) and (2) we get

a=10,b=-9,c=-6

Using quadratic formula we get

x=\dfrac{-(-9)\pm \sqrt{(-9)^2-4(10)(-6)}}{2(10)}

x=\dfrac{9\pm \sqrt{81+240}}{20}

x=\dfrac{9\pm \sqrt{321}}{20}

Therefore, the correct option is B.

6 0
4 years ago
Read 2 more answers
There are 4 cats in a street,Five more come . How many cats are in a street ?
stealth61 [152]

Answer:

9, but suddenly 2 of them get separate, 3 of them trempled by people and 4 others get kidnapped so, didn't have any cat in a street

6 0
3 years ago
Read 2 more answers
Kaelyn Kaitlyn start with $15 and saved $3.50 each day what expression represents the total amount of Taylor save
Vinil7 [7]

Your equation should look like this:

d = day

15 + 3.50d

Hope this helps!

6 0
3 years ago
A line passes through the points (9,6) and (6,5). What is its equation in slope-intercept form?
Tju [1.3M]

Answer:

Y=X/3+3

Step-by-step explanation:

M= Y2-Y1/X2-X1

  = 5-6/6-9

  = -1/-3

  = 1/3

sub x=6, y=5, M=1/3 into Y=MX+C

5=6/3+C

5=2+C

5-2= 2+C-2

3=C

5 0
2 years ago
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