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diamong [38]
3 years ago
5

Sarah was trying to decide what kind of cat food to buy at the store. smiley cat costs 7.90 for 10 pounds. purr plus cost .85 pe

r pound. which brand is the better buy?
Mathematics
1 answer:
Keith_Richards [23]3 years ago
5 0
Smiley's cat that is 7.90 for 10 pounds. Because purr plus in total of 10 pounds is 8.50
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2×<br><img src="https://tex.z-dn.net/?f=%20%7B2x%7D%5E%7B2%7D%20%20%3D%208x%20%2B%203" id="TexFormula1" title=" {2x}^{2} = 8x +
Contact [7]

theres a few calculaters that can do that


3 0
3 years ago
The length of a rectangle is twice its breadth. If its length is decreased half of the 10 cm and the breadth is increased by hal
Leto [7]

Since the length of this rectangle is twice its breadth, the length is equal to 40 cm.

<h3>How to calculate the area of a rectangle?</h3>

Mathematically, the area of a rectangle can be calculated by using this formula:

Area = Length × Width

Based on the information provided, we have:

  • Its length is decreased half of the 10 cm ⇒ (length - 5)
  • Its breadth is increased by half of the 10 cm ⇒ (breadth + 5)
  • Its area is increased by 75 cm ⇒ (area + 5)

Substituting the parameters into the formula, we have:

LB + 75 = (L - 5)(B + 5)

2B² + 75 = (2B - 5)(2B + 5)

2B² + 75 = 2B(B + 5) - 5(B + 5)

2B² + 75 = 2B² + 10B - 5B - 25

5B = 75 + 25

5B = 100

B = 100/20

B = 20 cm.

For the length, we have:

L = 2B

L = 2 × 20

L = 40 cm.

Read more on rectangle here: brainly.com/question/25292087

#SPJ1

6 0
1 year ago
HELP Easy points really fast won’t take more than 1 minute
VashaNatasha [74]

Answer:53

Step-by-step explanation:

5 0
2 years ago
Y = 5/4 x + 3.000000000
Mnenie [13.5K]

Answer:

151

Step-by-step explanation:

6 0
2 years ago
A boat can travel 315 miles on 63 gallons of gasoline. How much gasoline will it need to go 5 miles?
Oksi-84 [34.3K]

\begin{array}{ccll} miles&\stackrel{gasoline}{gallons}\\ \cline{1-2} 315 & 63\\ 5& x \end{array} \implies \cfrac{315}{5}~~=~~\cfrac{63}{x} \\\\\\ 63=\cfrac{63}{x}\implies 63x=63\implies x=\cfrac{63}{63}\implies x=1

3 0
1 year ago
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