3 years ago

472,558 to the nearest hundred thousand

Mathematics

2 answers:

seraphim [82]3 years ago

7 0

500,000 is the correct answer.

Marrrta [24]3 years ago

4 0

473,000 u round up to the next thousand

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Find the perimeter of the sector of a circle of radius 14cm with an angle of 72 degree

Alika [10]

Answer:

the area sector is 123.2

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3 years ago

M is between points C and Q. CM=17 and CQ=21. What is MQ?

katrin2010 [14]

Sometimes it helps to draw it out...

(17)
C_______M_________Q
|___________________|
21

therefore, CM + MQ = CQ
17 + MQ = 21
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3 years ago

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Let a, b, c, and d be real numbers with a, c 6= 0. Prove that the lines y = ax+b and y = cx + d have the same x-intercept if and

Monica [59]

Step-by-step explanation:

We have got the lines :

$y=ax+b\\y=cx+d$

Both lines intercept the x-axis in the point :

$I = (i_{1} ,i_{2})$

In all point from x-axis the y-component is equal to 0.

$I=(i_{1},o)$

We replace the I point in the lines equations:

$0=a(i_{1})+b \\0=c(i_{1})+d$

From the first equation :

$0=a(i_{1})+b \\-b=a(i_{1})\\i_{1}=\frac{-b}{a}$

From the second equation :

$0=c(i_{1})+d\\ -d=c(i_{1})\\i_{1}=\frac{-d}{c}$

Then $i_{1}=i_{1}$

Finally :

$\frac{-b}{a}=\frac{-d}{c} \\\frac{b}{a}=\frac{d}{c} \\ad=bc$

y = ax + b and y = cx + d have the same x-intercept ⇔ad=bc

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3 years ago

Aiden bought some noteboks and book covers for the upcoming school year.He bought a total of 13 items.Each notebook costs $1.37,

Darina [25.2K]

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x = 13 - y
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x = 13-5
x = 8

He bought 8 notebooks and 5 book covers

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3 years ago

What is 0.25 divided by 1.075?

timurjin [86]

0.25 divided by 1.075 is 0.2325..
But I think 1.075 divided by 0.25 sounds more right, in case that is the problem then the answer is 4.3

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3 years ago