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3 years ago

Write a doubles plus one fact for the sum of 7

Mathematics

2 answers:

gladu [14]3 years ago

8 0

3 + 3 + 1 = 7

3 + 3 are the double ones

+1

=7

asambeis [7]3 years ago

5 0

3+3+1=7
double plus one fact is 7

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When you use a paint can opener to a can of paint you use the paint can opener as a simple machine called a _____ class______

Bogdan [553]

Answer:

FIrst blank: lever

And, did you mean to put class?

Step-by-step explanation:

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2 years ago

You have a normal model. The population mean is 500 and standard deviation is 100. Which of the following options would be the c

mihalych1998 [28]

Answer:

a. N(500, 100)

Step-by-step explanation:

The normal probability distribution, with mean M and standard deviation S, can be represented in the following notation.

N(M,S).

In this problem, we have that:

Mean = 500

Standard deviation = 100

Which of the following options would be the correct way to represent the information?

a. N(500, 100)

7 0

3 years ago

The function shown below was created to track the different intervals of speed that an automobile travels over a period of 28 se

Ksenya-84 [330]

Answer:

1. The car is slowing down at a rate of 2.5mph/s

2. The greatest acceleration is 10 mph/s.

3. In the interval 4s to 16s the speed remains constant and has magnitude 25 mph.

Step-by-step explanation:

1. The deceleration of the car is from 16 seconds to 24 seconds is the slope $m$ of the graph from 16 to 24:

$m=\dfrac{\Delta speed }{\Delta time } = \dfrac{5-25}{24-16} =-2.5mph/s$

the negative sign indicates that it is deceleration.

2. The automobile experiences the greatest change in speed when the slope is greatest because that is when acceleration/deceleration is greatest.

From the graph we see that the greatest slope of the graph is between 28 and 24 seconds. The acceleration the interval is the slope $m$ :

$m= \dfrac{45-5}{28-24}= 10mph/s$

3. The automobile experiences no acceleration in the interval 4 s to 16 s—that's the graph is flat.

The speed of the automobile in that interval, as we see from the graph, is 25 mph.

7 0

3 years ago

Read 2 more answers

Regroup tens as hundreds

Andrew [12]

35 tens

tens = 10 ones = 0.1 hundreds

35 tens = 350 ones = 3.5 hundreds

So 35 tens = 3.5 hundreds

3 0

3 years ago

A toy rocket is launched straight up from the top of a building. The function that models the height as a function of time is h(

kicyunya [14]

Answer: 50 ft

Step-by-step explanation:

The correct function is h(t)=-16t^2+200t+50.

Hi, to answer this question we simply have to replace t =0 in the function given:

h(t)=-16t^2+200t+50.

h (0) = -16t^2+200t+50.

h(0) = 50

When the time is 0, the rocket is at the top of the building.

The rocket was launched from a 50 ft height.

Feel free to ask for more if needed or if you did not understand something.

4 0

3 years ago