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4 years ago

Find the difference. Express your answer in simplest form. 5r/s - 6r/s

Mathematics

1 answer:

gregori [183]4 years ago

6 0

Answer:

Step-by-step explanation:

$\frac{5r}{s} - \frac{6r}{s} = \frac{-r}{s}$

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Aiden wants to buy a calculator for $13 and as many gel pens as

forsale [732]

Answer:

Aiden can buy 2 gel pens after buying the calculator.

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3 years ago

Given the graph below, what is the y-intercept(s)? Give your answer(s) as an ordered pair.

Irina18 [472]

Answer:

(0, 4)

General Formulas and Concepts:

<u>Algebra I</u>

The y-intercept is the y value when x = 0. Another way to reword that is when the graph crosses the y-axis.

Step-by-step explanation:

According to the graph, the line passes the y-axis at y = 4. Therefore, our y-intercept is (0, 4).

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3 years ago

Mrs Watson runs a distance of 200 metres in 25 seconds work out the average speed of miss Watson in metres per second

natima [27]

8 meters per second. You get this by dividing the amount of meters by the amount of seconds. 200/25=8.

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4 years ago

Read 2 more answers

Jennifer can do 8 math problems in 20 minutes. How long would it take her to complete a 10 question test at the same rate?

-BARSIC- [3]

Answer:

25 minutes

Step-by-step explanation: 20 divided by 8 equals 2.5 so she take 2 and a half minutes per question. 2.5 plus 2.5 equals 5 so just add five minutes on her original time. 25 minutes

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4 years ago

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What is the solution to log Subscript 2 Baseline (9 x) minus log Subscript 2 Baseline 3 = 3

sdas [7]

The value of x is $\frac{8}{3}$

Explanation:

The expression is $\log _{2}(9 x)-\log _{2}(3)=3$

Adding $\log _{2}(3)$ to both sides of the equation, we get,

$\log _{2}(9 x)=3+\log _{2}(3)$

Using log definition, if $\log _{a}(b)=c$ then $b=a^{c}$ , we have,

$9 x=2^{3+\log _{2}(3)}$

Using exponent rule, $a^{b+c}=a^{b} a^{c}$ ,

$9x=2^{\log _{2}(3)} \cdot 2^{3}$

Simplifying, we have,

$9x=3\cdot8\\9x=24$

Dividing both sides by 9, we have,

$x=\frac{24}{9}$

Simplifying,

$x=\frac{8}{3}$

Thus, the value of x is $\frac{8}{3}$

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4 years ago