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Alex777 [14]
2 years ago
6

Sixth grade math please in K12

Mathematics
1 answer:
Nat2105 [25]2 years ago
3 0

Answer:

327r6

Step-by-step explanation:

Too long, if you really need it, comment on this answer.

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Sarah the cheetah ran 100 meters at a speed of 16.8 meters per second. An olympian ran the 100-meter dash in 9.6 seconds. How mu
EastWind [94]

Given that Sarah the cheetah ran 100 meters at a speed of 16.8 meters per second.

An olympian ran the 100-meter dash in 9.6 seconds.

Then speed of olympian = distance/ time = 100 meter/ 9.6 seconds = 100 meter/ 9.6 seconds = 10.4166666667 meter/ seconds


whis is approx 10.42 meter/seconds

Now we need to find about how much faster was Sarah the cheetah’s speed, to the nearest tenth of a meter per second.

16.8-10.42 = 6.38 = 6.4

Hence speed of Sarah the cheetah's is approx 6.4 meter per second more than the speed of olympian.

4 0
3 years ago
Read 2 more answers
Use addition to solve the linear system of equations.
Degger [83]

Answer:

(4,-5)

Step-by-step explanation:

Y = 3-2X

8X +5(3-2X) =7

8x + 15 - 10x = 7

-2x = -8

x = 4

y = 3 - 2(4)

y = -5

8 0
2 years ago
Can u solve <br> 2x+13=-7x+28
I am Lyosha [343]

Answer:

Step-by-step explanation:

2x+13=-7x+28 =

Solutions:

x = 15

     9

≈ 1.666667

7 0
3 years ago
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Please help me <br><br> this is urgent
vfiekz [6]

Answer:

18 cm²

Step-by-step explanation:

A = 1/2bh

= 1/2 x 6 x 6

= 3 x 6

= 18 cm²

4 0
2 years ago
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F(x)=1/x shifts up 12 units and right 7 units<br>What is the equation
kogti [31]
Do the right first. It's the one that you have to pay the most attention to because it is any intuative. y = 1/(x - 7) That looks like it should shift to the left. But it does not. Take a simple example 
if y = 1/x is used first then if x = 1 then y = 1/1 = 1
if y = 1/(x - 7) is considered then if x = 1 then y = 1/(1 - 7) = -1/6

The question is where does 1/x = -1/6 the answer is when x = -6
So the same answer is obtained with a shift to the right. Try this a couple of times to convince yourself of it.

To shift the graph up, all you need do is add 12. 
y = 1/(x - 7) + 12 is your answer. I'll put a graph up to show you how it works.
Notice the blue function. It is shifted up 12 (which you can see from the portion that starts from the left and eventually heads down. And then it is also going right (same part of the blue graph.

The red graph is y = 1/x

7 0
3 years ago
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