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3 years ago

Is -4 greater then or less then -5

Mathematics

2 answers:

d1i1m1o1n [39]3 years ago

6 0

Answer: -4 is greater than -5

To understand why, let’s look at a number line.

In the image provided, we can see that -4 is 4 units away from zero and -5 is 5 units away from zero. It may be confusing at first, but negative numbers that are closer to zero are going to be greater than numbers that are not as close to zero.

Number lines are a great tool especially when introducing integers because they help you visualize what’s going on.

Annette [7]3 years ago

5 0

-4 is greater than -5

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Evaluate 2p - 3r + t for p = 10, <br> r = -4 and t = 5. <br><br> 13<br> 37<br> 8

Ghella [55]

Answer:

Step-by-step explanation:

$2p - 3r + t$

p = 10

r = -4

t = 5

Substitute values into the given equation

$2(10) - 3( - 4) + 5$

Simplify

$20 + 12 + 5 \\ \\ = 37$

8 0

3 years ago

A particular computer takes 11 minutes to download a 33 minute TV show. How long will it take a computer to download a one and a

sergejj [24]

42 minutes because i add 33min and 1/2 hours together and got 42

5 0

4 years ago

The question is above

galina1969 [7]

For 11, we can subtract x from both sides for the first equation to get y=8-x, making the slope -1 for both equations and therefore making it parallel.

For 13, we can solve for y in the first equation by subtracting 14 from both sides and therefore getting 2x-14=y. For the next one, we can subtract 4x from both sides to get 10-4x=2y. Dividing both sides by 2, we get 10-2x=y. Since for the equations to be parallel they must be the same and for perpendicular they must be -1/(slope), this fits neither.

Using those two explanations, I implore you to solve the other two on your own!

3 0

3 years ago

You travel 3 miles downstream in a kayak at a speed of r miles per hour. You turn around and travel 4 miles upstream at a speed

shtirl [24]

<h3>Write a model in simplified form for the total time t (in hours) of the trip:</h3>

$Total\ time\ taken = \frac{3}{r} + \frac{4}{0.5r} + \frac{1}{r+1}\\$

<h3>It takes 2.95 hours when r is 4 miles per hour</h3>

<em><u>Solution</u></em>:

Given that,

<h3>You travel 3 miles downstream in a kayak at a speed of r miles per hour</h3>

Downstream:

Speed = r miles per hour

Distance = 3 miles

Time taken is given as:

$Downstream\ time = \frac{distance}{speed}\\\\Downstream\ time = \frac{3}{r} ------- eqn\ 1$

<h3>You turn around and travel 4 miles upstream at a speed of 0.5r miles per hour</h3>

Upstream:

Speed = 0.5r miles per hour

Distance = 4 miles

Therefore,

$Upstream\ time = \frac{4}{0.5r} -------- eqn 2$

<h3>Finally, you turn around and return to your original starting point at a speed of r + 1 miles per hour</h3>

Therefore,

$time = \frac{1}{r+1} ----------- eqn\ 3$

<em><u>a)Write a model in simplified form for the total time t (in hours) of the trip</u></em>

The total time taken is:

eqn 1 + eqn 2 + eqn 3

$Total\ time\ taken = \frac{3}{r} + \frac{4}{0.5r} + \frac{1}{r+1}\\$

<em><u>b)How long does your trip take when r is 4 miles per hour?</u></em>

Substitute r = 4

$Total\ time\ taken = \frac{3}{4} + \frac{4}{0.5 \times 4} + \frac{1}{4+1}\\\\Total\ time\ taken = 0.75 + 2 + 0.2\\\\Total\ time\ taken = 2.95$

Thus it takes 2.95 hours when r is 4 miles per hour

8 0

3 years ago

R is the midpoint of AM. Find the coordinate of the endpoint A given the coordinates for R and M.

Burka [1]

Answer:

Step-by-step explanation:

(x + 22)/2 = 27

x + 22 = 54

x = 32

(y + 16)/2= 9

y + 16 = 18

y = 2

(32, 2)

5 0

3 years ago

Is -4 greater then or less then -5​

Is -4 greater then or less then -5