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Hoochie [10]
2 years ago
5

How is this ejercice: 15+x=4

Mathematics
1 answer:
alexandr402 [8]2 years ago
4 0
X equals negative 11
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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
3 years ago
James has a balance of $1,230 on his credit card that has an APR of 24%. He currently pays the minimum monthly payment of $30.75
Gnom [1K]

Answer:

B

Step-by-step explanation:

James can eliminate $25 from Food/Clothes and $27 from Entertainment

5 0
3 years ago
Read 2 more answers
Compute. 6 + 8 × 5 =
castortr0y [4]

using order of operations (PEMDAS) your answer should be 46

you do multiplication before addition.

3 0
2 years ago
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Felix earns $1,400 a month. His cell phone represents 5% of his income. How much is his cell phone cost each month?
solong [7]
I believe is 70 multiply 1400 times 5% and it will give you 70
4 0
3 years ago
Read 2 more answers
A scientist has discovered a new strain of bacteria. The bacteria culture initially contained 1000 bacteria and the bacteria are
Anna007 [38]

Answer:

Bacteria Culture = B

Hour = H

<u>B=1000*2^H</u>

Step-by-step explanation:

Every hour, the bacteria doubles. This means that the amount is multiplied by 2 every hour. If it was 5 hours in, the bacteria would be at 32000. You can use the equation B=1000*2^5 to get that answer.

4 0
2 years ago
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