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3 years ago

Which function is increasing at the highest rate?

Mathematics

1 answer:

Serga [27]3 years ago

8 0

Hi! We can know which function has the highest rate of increase by looking at its slope. The function with the highest slope will have the highest rate (recall the definition of slope which is rise/run).

Let's ignore the first option since the function is clearly decreasing. For the second one, the slope would be 2. For the third one, we compute the slope below:

$slope= \frac{-4-(-5)}{2-1}=-4+5=1$

Lastly, we solve for the slope of the fourth option by using the points (8,0), and (0,-4):

$slope= \frac{-4-0}{0-8}=\frac{1}{2}$

Clearly, option 2 has the highest value for the slope therefore this would be the answer.

ANSWER: 12x - 6y = -24

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Identifying an Error

PtichkaEL [24]

The answer should be A because when you multiply two negatives it comes out positive

4 0

2 years ago

A bottle contains 255 coins. 1/3 of the coins are ?1.00. 110 of the coins are 50p coins. the rest are 20p coins. work out the to

aliina [53]

Answer:

£152.

Step-by-step explanation:

We have been given that a bottle contains 255 coins. 1/3 of the coins are £1.00.

Let us find 1/3 of 255 to find the number of £1 coins.

$\£1\text{ coins}=\frac{1}{3}\times 255$

$\£1\text{ coins}=85$

This means we have £85.

We are also told that 110 of the coins are 50 p coins.

$\text{Value of 50 p coins}=\£0.50\times 110$

$\text{Value of 50 p coins}=\£55$

Let us figure out number of 20 p coins by subtracting the number of £1 coins and 50 p coins from 255.

$\text{Number of 20 p coins}=255-(85+110)$

$\text{Number of 20 p coins}=255-(195)$

$\text{Number of 20 p coins}=60$

$\text{Value of 20 p coins}=\£0.20\times 60$

$\text{Value of 20 p coins}=\£12$

Now let us find total value of the coins contained in the bottle by adding the values of £1 coins, 50 p coins and 20 p coins.

$\text{The total value of the coins}=\£85+\£55+\£12$

$\text{The total value of the coins}=\£152$

Therefore, the total value of the coins contained in the bottle is £152.

4 0

3 years ago

Read 2 more answers

Help me i neeed am answer

Temka [501]

5*k
=5k

So therefore, the first option is correct.

5 0

3 years ago

8. Solve for y:<br> 24 = 3y

Gnom [1K]

Answer:

y=8

Step-by-step explanation:

24/3=8

3*8=24

hope this helps :3

if it did pls mark brainliest

4 0

3 years ago

Evaluate the expression: (–2)2 + (–42) + (18 – 23).

marta [7]

Answer:

-51 (no options are matching)

Step-by-step explanation:

Given: (–2)2 + (–42) + (18 – 23).

we know, 2*2 = 4, and in integer multiplication if any negative integer is multiplied with positive integer, then the result will have a negative sign.

= -4 + (-42) + (18 – 23)

Here, we have open the brackets, and written the respective signs with the integers,

= - 4 - 42 - 5

now, we will perform the integer addition. Adding all the positives together & he negative numbers together

= -51

PS: It happens to be that none of the given options match with the correct answer. But, i have solved taking the expression, i hope it helps

6 0

3 years ago

Read 2 more answers