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lorasvet [3.4K]
3 years ago
14

Nellie has a watering can that contains 20 cups of water . She pours one quart of water on each plant in her yard. If Nellie use

s all of the water in the watering can , how many plants does the water?
Mathematics
1 answer:
Aleksandr-060686 [28]3 years ago
7 0

Answer: she waters 4 plants

Step-by-step explanation:

5cups /quart=20/x(x=#of quarts)

5x=20

x=20/5

x=4

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In ¾ pound of a banana bread, there is ½ cup of cinnamon. How much cinnamon does the bread contain per pound?
Shkiper50 [21]

1 pound of bread contains \frac{2}{3} cups of cinnamon.

<h3><u>Solution:</u></h3>

Given that , In \frac{3}{4} pound of a banana bread, there is \frac{1}{2} cup of cinnamon

<em><u>To find:</u></em>

Amount of cinnamon per pound in bread

Let "n" be the cinnamon per pound present in bread

\frac{3}{4} pound of banana bread ⇒ \frac{1}{2} cup of cinnamon

Then, 1 pound of bread ⇒ n cups of cinnamon

Now, let us use criss cross method (i.e. multiplying the diagonal ordered terms and equating them)

\begin{array}{l}{\rightarrow n \times \frac{3}{4}=\frac{1}{2} \times 1} \\\\ {\rightarrow n \times \frac{3}{4}=\frac{1}{2}} \\\\ {\rightarrow n=\frac{1}{2} \times \frac{4}{3}} \\\\ {\rightarrow n=\frac{2}{3}}\end{array}

Hence, 1 pound of bread contains \frac{2}{3} cups of cinnamon.

3 0
4 years ago
Divide 72 rolls into 2 groups so the ratio is 3 to 5
Lelu [443]
3+5=8
72/8=9
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5 0
3 years ago
Please help don't understand how to do this, show steps
Anit [1.1K]
First get what equals 20
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If (x + 1)(x-3) = 5, then which of the following statements is true?
bixtya [17]

Answer:

x=−2 or x=4

Step-by-step explanation:

Step 1: Simplify both sides of the equation.

x2−2x−3=5

Step 2: Subtract 5 from both sides.

x2−2x−3−5=5−5

x2−2x−8=0

Step 3: Factor left side of equation.

(x+2)(x−4)=0

Step 4: Set factors equal to 0.

x+2=0 or x−4=0

x=−2 or x=4

5 0
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a polynomial function p(x) with rational coefficients has the given roots (10-square root of 6 and 4i). Find two additional root
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Answer:

6px

Step-by-step explanation:

hope this help

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3 years ago
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