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AlladinOne [14]
3 years ago
11

Please help. Is algebra.

Mathematics
1 answer:
lara [203]3 years ago
4 0

Answer:

1) 0

2) -6

Step-by-step explanation:

Any number to the ⁰th power is 1.

A negative exponent flips the fraction.

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Answer:  

y = -2/3x + 18

Step-by-step explanation:

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8 = -2/3(15) + b

8 = -10 + b

b = 18

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How many years will $400 yield an interest of $112 at 14% simple interest
german

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2 years

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You need to buy some pencils and an eraser. You can spend no more than $5. The eraser cost $1 and the pencil cost $0.25 each. Wr
vekshin1
5≤1e+ .25p 
E represents erasers and p pencils

6 0
3 years ago
Sean wrote the equation 9.25 = 5m, where m is the cost per pound, to show the relationship between the total cost, $9.25, and th
OLEGan [10]
<h2>Explanation:</h2>

The complete question is in a comment above. The statements says that:

  • Sean wrote the equation 9.25=5m
  • m is the cost per pound.
  • The equation show the relationships between the total cost, $9.25, and the number of pounds of pears.

So we are asked to write an write an equation to show the cost y of x pounds of pears. In other words, we need to write an equation such that y is given in terms of x, where x is the pounds of pears. So:

y=f(x)

From the equation we can determine m as:

m=\frac{9.25}{5}=1.85

So each pound costs $1.85. The equation tells us that 5 pounds of pears result costs $9.25. Then, by proportion:

\frac{y}{x}=\frac{9.25}{5} \\ \\ y=1.85x

So choosing the number of pounds as 0, 1, 2, 3, 4, 5, the table would be:

\begin{array}{cc}x(\text{Number of pounds}) & y(\text{Cost in dollars})\\0 & 0\\1 & 1.85\\2 & 3.7\\3 & 5.55\\4 & 7.4\\5 & 9.25\end{array}

From the table we can know that the graph is a line. that passes through all these points. Since this line passes through the origin, then y varies directly as x (Direct Proportion).

3 0
4 years ago
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