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Leya [2.2K]
3 years ago
8

Find an

Mathematics
1 answer:
alina1380 [7]3 years ago
5 0

Answer:

5x + 13y

Step-by-step explanation:

-x + 9y- (-6x) + 4y

-x + 9y + 6x +4y

(-x + 6x) + (9y + 4y)

5x + 13y

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For a party, you are cooking a large amount of stew that has meat, potatoes, and carrots. The meat costs $6 per pound, the potat
Vaselesa [24]

Answer:

  • 6lb meat
  • 2.5lb potatoes
  • 5Ib carrots

Step-by-step explanation:

M + P + C = 13.5

6M + 3P + C = 48.50

OM + 2P - C = O

2P = C

Therefore, there are 6 pounds of meat, 2.5 pounds of potatoes, and 5 pounds of carrots.

7 0
3 years ago
Determine the intercepts of the line. y = 5 x − 1 3 y=5x−13
sweet-ann [11.9K]
Y-intercept = -13
x-intercept = 2.6 or 2 3/5
-13 is the y-intercept. In the equation, y=mx+b, b is the y-intercept. Looking at the equation, y=5x-13, we can see that -13 is in the place of b, therefore -13 is the y-intercept.
() is the x-intercept. To find the x-intercept, you need to replace values into the equation. Since the coordinates for the x-intercept consist of y being 0, you must replace y in the equation. with 0.
0=5x-13
Get rid of the -13 by adding it onto both sides. -13 is negative and the opposite of a negative is positive, thus making you add to get rid of -13.
0=5x-13
+13 +13
13=5x
Now you divide 5 from both sides to get rid of 5. The opposite of multiplication is division, so you must divide the 5 from 5x to isolate the x.
13/5=5x/5
2.6 or 2 3/5=x
Therefore the coordinates (2.6,0) represent the x-intercept, or just 2.6.

I hope this helped.
6 0
3 years ago
The price of a video game system dropped by 18%. What is the current price if it used to be $140?
IgorC [24]

Answer:

$114.80

Step-by-step explanation:

Multiply 18% and 140 to find the drop price.

.18 x 140= $25.20  now subtr. this from the original price

$140.00-$25.20=$114.80 is the sale price

4 0
3 years ago
What does 1,580÷25=I know the answer, I need to show how I got it.
ziro4ka [17]
\begin{gathered} \sqrt[25]{1580} \\ 1\text{ and 15 cannot divide 25 therefore, we use the first three numbers to divide 25} \\ \frac{158}{25}\text{ = }6\text{ remainder 8} \\ \text{You have to carry that remainder which is 8 and combine it with the 0 in 1580.} \\ \frac{80}{25}\text{ = }3\text{ remainder 5} \\ The\text{ remainder 5 will also divide 25} \\ \frac{5}{25}=0.2 \\ The\text{ quotient values are 63 + 0.2 = 63.2} \end{gathered}

4 0
1 year ago
Find the perimeter of a rectangle that is 5three fourths in. by 7 in.
dimulka [17.4K]
The perimeter is 25 2/4 in.
8 0
3 years ago
Read 2 more answers
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