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3 years ago

13

The amount of money Susan earns (y) for every magazine she sells (x) is shown on the graph. Which equation could Susan use to ca

lculate the amount of money she earns for any number of magazines she sells?
A) y = 34x
B) y = 43x
C) y = 23x
D) y = -34x

2 answers:

Allisa [31]3 years ago

6 0

Answer:

I dont get it can you explaine

Step-by-step explanation:

Alex73 [517]3 years ago

3 0

<span>y = 3/4x

Good luck =]</span>

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Jonathan is using the microscope in lab. He saw a chain of bacteria that was 10 millimeters long,

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We have been given that Jonathan is using the microscope in lab. He saw a chain of bacteria that was 10 millimeters long. We are asked to find the length of chain of bacteria in centimeters.

We know that 1 millimeter is equal to 0.1 centimeter.

To convert 10 milllimeters into centimeters, we will multiply 10 by 0.1.

$\text{Length of bacteria in cm}=10\text{ mm}\times \frac{0.1\text{ cm}}{\text{1 mm}}$

$\text{Length of bacteria in cm}=10\times 0.1\text{ cm}$

$\text{Length of bacteria in cm}=1\text{ cm}$

Therefore, the chain of the bacteria is 1 cm long.

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3 years ago

What is the area of angle ABC? Round to the nearest tenth

otez555 [7]

Area formula: L · W · H
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Width: 5
Height: 5

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3 years ago

A pond has 150 fish and the population decreases by 8% each day. How many days before there are 30 fish

nlexa [21]

Answer:

19 days

Step-by-step explanation:

Given

$a = 150$ --- initial

$r = 8\%$ -- rate

Required

Days when the fish gets to 30

The function is exponential and as such it follows;

$y = ab^x$

Where x represents the number of days and y the number of fishes

Because the fishes decreases;

$b = 1 - r$

So, we have:

$b = 1 - 8\%$

Express as decimal

$b = 1 - 0.08$

$b = 0.92$

In $y = ab^x$

$a =150$

$y = 30$

$b = 0.92$

So, we have:

$30 = 150 * 0.92^x$

Divide both sides by 150

$0.2 = 0.92^x$

Take log of both sides

$log(0.2) = log(0.92^x)$

Apply law of logarithm

$log(0.2) = x\ log(0.92)$

Make x the subject

$x = \frac{log(0.2)}{log(0.92)}$

$x = \frac{-0.6990}{-0.0362}$

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$x \approx 19$

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3 years ago

I need the answer ASAP please help

Fantom [35]

Answer:

5 and 50

Step-by-step explanation:

Constant of proportionality=(10-5)/(2-1)=5

Distance is 5*10=50

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2 years ago

A hippopotamus can run at the speed of about 24.9 miles per hour. At this rate, how far can the hippo run in 30 minutes? Use the

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3 years ago

Read 2 more answers