Round 1,289 to the nearest 100

Mathematics

2 answers:

anygoal [31]3 years ago

8 0

1300
is the correct answer

Oliga [24]3 years ago

7 0

Hello!

When you round you look at the number to the right of where you are rounding and look to see what it is

If it is 5 or higher you round up

If it is lower than 5 you keep the number the same

You are rounding to the nearest 100

You look at the hundreds and tens place

1289

You look at the number to the right

Since it is higher than 5 you round the 2 up

The answer is 1300

Hope this helps!

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A survey of 2,000 doctors showed that an average of 3 out of 5 doctors use brand X aspirin. How many doctors use brand X aspirin

swat32

You would use cross multiplication:

X/2,000 = 3/5
Multiply: 2,000*3= 6,000
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3 years ago

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Veronika [31]

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3 0

3 years ago

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antoniya [11.8K]

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4 0

2 years ago

In the parallelogram DEFG, DH=x+1, HF=3y, GH=3x-4, and HE=5y+1. Find the values of x and y. The diagram is not drawn to scale.

RideAnS [48]

Answer:

Step-by-step explanation:

Given: In parallelogram DEFG,

DH = x + 1

HF = 3y

GH = 3x - 4

and HE = 5y + 1

Solution: Since, DH,HF, GH and HE represents the diagonals of the parallelogram and we know that the diagonals of the parallelogram bisect each other, therefore

x+1=3y (1)

3x-4=5y+1 (2)

Multiply equation (1) with 3 and then subtract equation (2) from it, we get

3x+3-3x+4=9y-5y-1

7=4y-1

y=2

Substituting the value of y=2 in equation (1), we get

x+1=3(2)

x=5

Therefore, the value of x and y are 5 and 2 respectively.

8 0

3 years ago