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3 years ago

Which equation represents the data in this function table?

Mathematics

1 answer:

777dan777 [17]3 years ago

6 0

Answer:

Step-by-step explanation:

because its easy

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A group of workers can plant at a rate of 12 acres per day.

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Answer:

Step-by-step explanation: if they do 12 acres per day.. it would be 36 for three days. 12x3=36

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4 years ago

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Which function has an axis of symmetry of x = −2?

djyliett [7]

Any function that has a -b value divided by 2a that equals -2

use ax²+bx+c to figure it out

the axis of symmetry formula is -b/2a=x

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Solve 7b = 4(b + 30) for b

Maru [420]

Answer: b=40

Step-by-step explanation:

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If josh can run 2 miles in 15 minutes. How many miles can he run in 2 hours?

Fantom [35]

Answer:

900

Step-by-step explanation:

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3 years ago

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The circumference of a circle is 22 cm.

valkas [14]

$\bf \: Circumference \: of \: a \: circle = 2\pi \: r$

$\implies22 = 2 \times \dfrac{22}{7} r$

$\implies22 = \dfrac{44}{7} \times r$

$\implies \: r = \dfrac{22 \times 7}{44}$

$\implies \boxed{ r = \dfrac{7}{2} }$

Now,

$\bf \: Area \: of \: circle = \pi {r}^{2}$

$\rightarrow \: \frac{22}{7} \times ({ \frac{7}{2}) }^{2}$

$\rightarrow \frac{22}{ \cancel7} \times \frac{ \cancel{49}}{4}$

$\rightarrow \: 22 \times \frac{7}{4}$

$\rightarrow \: 11 \times \frac{7}{2}$

$\rightarrow \frac{77}{2}$

$\rightarrow \: 38.5 \: cm {}^{2}$

Area of rectangle = 38.5 cm².

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3 years ago