3 years ago

I need help pleaseee):

Mathematics

1 answer:

ankoles [38]3 years ago

7 0

Answer:

Step-by-step explanation:

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Select all of the situations below that can be modeled by the expression 4 + 3x.

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Answer:

1 2 3

Step-by-step explanation:

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3 years ago

How do i find the average speed for his question: "A bicycle racer rides from a starting marker at 10m/s. She then rides back al

padilas [110]

To find the average speed for the whole race, you just have to add the speed from a starting marker and the speed from the turnaround marker going back and divide it by 2 since there are only two speeds involved.

10 m/s + 16m/s = 26 m/s / 2 = 13 m/s

Therefore, the average speed for the whole race is 13 m/s.

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4 years ago

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Kisachek [45]

Yes your right it equals 300 thousandths

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3 years ago

Given that S is the centroid of triangle MNO, find SQ.

AnnZ [28]

Answer:

|SQ|=5

Step-by-step explanation:

If S is the median, then OP is a median of triangle OMN.

This implies that:

|MP|=|NP|

$3x-4=x+4$

We group like terms and solve for x.

$3x-x=4+4$

$\implies 2x=8$

$\implies x=4$

Now we know that: MN:SQ=2:1

But MN=2x+2

This implies that:

2x+2:SQ=2:1

Put x=4

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Therefore |SQ|=5

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3 years ago

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Answer:

Step-by-step explanation:

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