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azamat
3 years ago
14

How to do this right im confused

Mathematics
1 answer:
Leokris [45]3 years ago
6 0

hi, i wrote down the correct way how to do the formula for questions 5 and 8... im really sorry but i dont really know to explain step by step over just writing so you can just look at the pictures and take whatever you can from them. good luck

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Explain how you know that the sum of 12.6,3.1, and 5.4 is greater than 20
ozzi
By just looking at ur whole numbers...12 + 3 + 5 = 20...and thats not even counting ur decimals..so by adding ur decimals, u know that it will be over 20.
5 0
3 years ago
Which answer best describes the solution to the equation
SCORPION-xisa [38]
4 + 5z = 5z + 4 is an identity and is true for all values of z.

The equation has, therefore, infinitely many solutions.
3 0
3 years ago
Read 2 more answers
The table represents a linear function. Find the values of A and B.​
bazaltina [42]

Answer:

The answers are that a = -5 and b = 1

Step-by-step explanation:

In order to find A and B, we first need to find the equation of the line. We can do this by using two ordered pairs and the slope formula. For the purpose of this activity, I'l use (0, 5) and (-3, 11)

m(slope) = (y2 - y1)/(x2 - x1)

m = (11 - 5)/(-3 - 0)

m = 6/-3

m = -2

Now that we have this we can model this using point-slope form.

y - y1 = m(x - x1)

y - 5 = -2(x - 0)

y - 5 = -2x

y = -2x + 5

Now that we have the modeled equation we can use the ordered pair (a, 15) to solve for a.

y = -2x + 5

15 = -2(a) + 5

10 = -2a

-5 = a

And we can also solve for b using the ordered pair (2, b)

y = -2x + 5

b = -2(2) + 5

b = -4 + 5

b = 1

4 0
3 years ago
Convert 312 quarts to gallons.
dimaraw [331]
78 gallons is the same as 312 quarts
8 0
3 years ago
Please help me immediately​
marshall27 [118]

Answer:

zero of a polynomial can be defined as the points where the polynomial become 0 as a whole.

An equation formed with variables, exponents and coefficient together with operation and an equal sign is called polynomial equation.

I hope this will help you

5 0
3 years ago
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