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ArbitrLikvidat [17]

3 years ago

9

The county water department charges a service fee of $10.15 plus $0.005 for each gallon of water used. The inequality shown is u

sed to determine the number of gallons of water, x, used by customers whose monthly charges range from $35 to $55.

1 answer:

grandymaker [24]3 years ago

6 0

Answer:

if its a multiple choice its A!

Step-by-step explanation:

These customers use at least 4,970 gallons but no more than 8,970 gallons of water per month.

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MUST SHOW WORK. <br> please do this ASAP!<br> This is about numerical expressions!

lara31 [8.8K]

$\huge\text{Hey there!}$

$\mathsf{2(4 - 1)^2 - 3 + 2(5)}$

$\mathsf{4 - 1 = \bf 3}$

$\mathsf{= 2(3^2) - 3 + 2(5)}$

$\mathsf{3^2}\\\mathsf{= 3\times3}\\\mathsf{= \bf 9}$

$\mathsf{= 2(9) - 3 + 2(5)}$

$\mathsf{2(9)}\\\mathsf{= \bf 18}$

$\mathsf{= 18 - 3 + 2(5)}$

$\mathsf{18 - 3}\\\mathsf{= \bf 15}$

$\mathsf{= 15 + 2(5)}$

$\mathsf{2(5)}\\\mathsf{= \bf 10}$

$\mathsf{= 15 + 10}\\\mathsf{= \bf 25}$

$\boxed{\boxed{\huge\text{Therefore, your ANSWER is: \textsf{25}}}}\huge\checkmark$

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3 years ago

Read 2 more answers

Lin runs 5 laps around a track in 6 minutes.

Paladinen [302]

Answer:

25.2

Step-by-step explanation:

6/5 is 1.2, so it takes 1.2 minutes to run one lap.

This means 21 x 1.2 = the minutes it takes to run 21 laps around the track.

Therefore it takes 25.2 minutes to run around the track 21 times.

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3 years ago

Round 14.857 to the nearest tenth

Mila [183]

14.9. this is because 8 is in the tenth place, and the next number is five. for numbers greater than 4, you round up, for four or less, you stay the same.

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3 years ago

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Given cos B = 11/18 find angle B in degrees. Round your answer to the nearest hundredth.

Anastaziya [24]

$B = cos^{-1}(\frac{11}{18}) \approx 52.33^\circ$

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4 years ago

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Fill in Sin, Cos, and tan ratio for angle x. <br> Sin X = 4/5 (28/35 simplified)

Fantom [35]

Answer:

Given: $\sin(x) = (4/5)$ .

Assuming that $0 < x < 90^{\circ}$ , $\cos(x) = (3/5)$ while $\tan(x) = (4/3)$ .

Step-by-step explanation:

By the Pythagorean identity $\sin^{2}(x) + \cos^{2}(x) = 1$ .

Assuming that $0 < x < 90^{\circ}$ , $0 < \cos(x) < 1$ .

Rearrange the Pythagorean identity to find an expression for $\cos(x)$ .

$\cos^{2}(x) = 1 - \sin^{2}(x)$ .

Given that $0 < \cos(x) < 1$ :

$\begin{aligned} &\cos(x) \\ &= \sqrt{1 - \sin^{2}(x)} \\ &= \sqrt{1 - \left(\frac{4}{5}\right)^{2}} \\ &= \sqrt{1 - \frac{16}{25}} \\ &= \frac{3}{5}\end{aligned}$ .

Hence, $\tan(x)$ would be:

$\begin{aligned}& \tan(x) \\ &= \frac{\sin(x)}{\cos(x)} \\ &= \frac{(4/5)}{(3/5)} \\ &= \frac{4}{3}\end{aligned}$ .

7 0

3 years ago