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3 years ago

What is preceding and succeeding numeral 100 base seven

1 answer:

5 0

100 base 7 is 7^2 like 100 is 10^2 in base ten. The number before 100 base 7 is 66 and the numer after is 101. If you check 6*7+6 is 48 and 101 is 7^2+1 =50

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Hi, I need help with this

skelet666 [1.2K]

The value of x in the traingle is 5
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3 0

3 years ago

Simplify this i need help

Temka [501]

Answer:

Step-by-step explanation:

√2x(7 + √2x)

7√2x + √2x ·√2x

7√2x + 2x

2x + 7√2x

A is the answer

6 0

3 years ago

It took Mary 1.5 hours to bicycle 39km. Then she slowed down and took another 3 hours to bicycle 51 km more. Find her average sp

Goshia [24]

39/1.5 = 26 km per hour
51/3 = 17 km per hour
Then you need the mean. 26+17/2 = 21.5 km per hour

4 0

3 years ago

When solving the system of equations by graphing, what is the solution of 3x + 2y = 2 and 2x – y=6?

oksian1 [2.3K]

Answer:

answer B: (2,-2)

Step-by-step explanation:

First, write the equations on top of each other:

$3x+2y=2\\2x-y=6$

Then, multiply the the second equation by 2 so that we can use elimination of the y-variable:

$3x+2y=2\\2(2x-y)=2(6)\\\\3x+2y=2\\4x-2y=12$

Next, use elimination to find the value of "x":

$3x+2y=2\\+(4x-2y=12)\\\\7x+0=14\\7x=14\\\frac{7x}{7}=\frac{14}{7}\\x=2$

So, your x-value is 2.

Now, substitute your x-value into one of your equations, let's take the second equation, 2x-y=6:

$2x-y=6\\2(2)-y=6\\4-y=6\\4-4-y=6-4\\-y=2\\\frac{-y}{1}=\frac{2}{-1}\\y=-2$

Your y-value is -2.

With all your information gathered, you find that the solution to this system of equation is (2,-2).

5 0

3 years ago

PLZZZ ANSWER :(-!!!!!!<br> |<br> |<br> |<br> v

elixir [45]

Answer: 1400

Step-by-step explanation: you add 40 and 30 then you times it by 20 because it said " what is the area of the part that's painted blue" it's trying to throw you off by having the other numbers by the window and the door.

8 0

3 years ago

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