All categories

3 years ago

At 8:00 A.M., the temperature is 53 °F. At 11:00 A.M., it is 69 °F.

Mathematics

1 answer:

NARA [144]3 years ago

3 0

The average change per hour is B 40.7

You might be interested in

Share £60 in the ratio 1:4

soldi70 [24.7K]

Answer:

s=5

v=2

Step-by-step explanation:

8 0

3 years ago

The top of a tree is 172/3 feet

arlik [135]

Answer:

1091 feet

Step-by-step explanation:

172/3 + 1037 = ?

54 + 1037 = ?

1091 = ?

4 0

4 years ago

Mona is going shopping! She bought 3 teeshirts, each costing the same price of -$15.00. This can be modeled with the equation: 3

inysia [295]

Answer:

Yes

Step-by-step explanation:

Yes, equation 3(-15) is basically saying that you are spending -15, 3 times and that those two numbers are being multiplied together which would give you the total cost of all the shirts you are buying. That being said, no purchase would be a negative value, this is most likely an error made when writing the question but the cost of each individual shirt should be $15 and not -$15. Therefore making the actual equation 3(15). We can even equal this to the variable C which would represent the total cost of the purchase and make it more of a real equation.

C = 3(15)

4 0

3 years ago

How many 3 number combinations are possible if you can't repeat the numbers? The numbers range from 0-39

TEA [102]

Answer: 49600

Step-by-step explanation: There are 40 ways to choose the first number

and there are 40 ways to choose the second number.

Now we take some examples to determine how many choices there are for

the third number

If the second number is 23, then the 3rd number cannot be any of these

9 numbers 19,20,21,22,23,24,25,26,or 27, since they are not at least 5

numbers away from 23. Same for all other 40 second numbers.

Let's look at a second example which includes some on both sides of 0.

If second number is 2, we couldn't choose any of the 9 numbers 38,39,0,1,2,3,4,5,6.

So thats 40-9 or 31 choices for the 3rd number.

Answer 40*40*31 = 49600 ways.

4 0

3 years ago

Determine if the given lines are parallel, perpendicular, or neither.

Leni [432]

Answer:

The lines are parallel.

Step-by-step explanation:

Given the lines

$-2x-3y=9$

$4x+6y=24$

Writing the equations in the slope-intercept form

$y=mx+b$

where m is the slope and b is the y-intercept

$-2x-3y=9$

$y=-\frac{2}{3}x-3$

Thus, the slope = m₁ = -2/3

also

$4x+6y=24$

$y=-\frac{2}{3}x+4$

Thus, the slope = m₂ = -2/3

We know that parallel lines have equal slopes

m₁ = m₂

Thus, the lines are parallel.

4 0

3 years ago