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ASHA 777 [7]
3 years ago
13

(0,1),(1,3),(2,5),(3,7) function rule

Mathematics
1 answer:
DaniilM [7]3 years ago
7 0

\bf \begin{array}{ccll}x&y\\\cline{1-2}0&1\\[0.8em]1&\stackrel{2(1)+1}{3}\\[0.8em]2&\stackrel{2(2)+1}{5}\\[0.8em]3&\stackrel{2(3)+1}{7}\\[0.8em]x&2x+1\end{array}~\hspace{8em}y=2x+1

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A rectangle has an area of 900square inches. The length of the rectangle is 2.25 times the width.Find the dimensions
Alexeev081 [22]

Answer:

Length = 45 inches and Width = 20 inches

Step-by-step explanation:

Let the width be w.

Length(l)=2.25w

Area = 900 in^2

The formula for the area of a rectangle is Area = length * width

So substituting our values we get:

A=2.25w*w\\900=2.25w*w\\2.25w^2=900\\w^2=\frac{900}{2.25} \\w^2=400\\w=\sqrt{400} \\w=20

So we get width = 20 inches

Length = 2.25w

so Length= 2.25*20

=45 inches

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54/60 108/120 216/240 double both numbers each time
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If Θ = 90°, Θ is a/an __ angle.
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What is the answer to 2 3/8 ÷ 1 1/4
OLEGan [10]
2\frac{3}{8} ÷ 1\frac{1}{4} equals 1\frac{9}{10}.

First, convert 2 \frac{3}{8} to improper fraction. Use this rule: a \frac{b}{c} = \frac{ac+b}{c}. Your problem should look like: \frac{2x8+3}{8} ÷ 1\frac{1}{4}.
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Third, simplify 16 + 3 to get 19. Your problem should look like: \frac{19}{8} ÷ 1 \frac{1}{4}.
Fourth, convert 1\frac{1}{4} to improper fraction. Use the same rule as earlier. Your problem should look like: \frac{19}{8} ÷ \frac{4+1}{4}.
Fifth, simplify 4 + 1 to get 5. Your problem should look like: \frac{19}{8} ÷ \frac{5}{4}.
Sixth, apply this rule: a ÷ \frac{b}{c} = a × \frac{c}{b}. Your problem should look like: \frac{19}{8} × \frac{4}{5}.
Seventh, apply this rule: \frac{a}{b} × \frac{c}{d} = \frac{ac}{bd}. Your problem should look like: \frac{19x4}{8x5}.
Eighth, simplify 19 × 4 to get 76. Your problem should look like: \frac{76}{8x5}.
Ninth, simplify 8 × 5 to get 40. Your problem should look like: \frac{76}{40}.
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Eleventh, convert to mixed fraction. Your problem should look like: 1 \frac{9}{10} which is the answer.

Answer as mixed number form: 1\frac{9}{10}.
Answer as exact form: \frac{19}{10}.
Answer as decimal form: 1.9.


7 0
2 years ago
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