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Maru [420]
3 years ago
12

How can you tell Without dividing that the first digit of the quotient 2874÷3 is in the hundreds place

Mathematics
1 answer:
LenaWriter [7]3 years ago
4 0
The firs digit in 2874 is less than 3, so it cannot be divided by 3 and stay a number equal or greater than 1.
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Consider this sequence
pochemuha
Hello,

u_{1} =1*(8-7)=1*(2*4-(6+1))\\
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 u_{3} =3*(12-9)=3*(2*6-(6+3))=3*(2*(4+2)-(6+3))\\
 u_{4} =4*(14-10)=4*(2*7-(6+4))=4*(2*(4+3)-(6+4))\\




u_{10}=10*(2*(4+10)-(6+10))\\
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u_{n} =n*(2*(n+n-1)-(6+n))\\
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5 0
3 years ago
What is the surface area of this square pyramid? <br> HELP!
aniked [119]

Answer:

A≈149.84

Step-by-step explanation:

A=a2+2aa2

4+h2=62+2·6·62

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3 0
3 years ago
Function k is a linear function with a slope of 1/2 that passes through the point (4,2). What equation represents Function K?
Novay_Z [31]

Answer:

A. y = 1/2 x.

Step-by-step explanation:

Use the point-slope form of a linear (straight line) function:

y - y1 = m(x - x1)

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8 0
3 years ago
Write the product in the simplest form 3x1/6
igomit [66]

Answer:

1/2

Step-by-step explanation:

3 * 1/6 = 3/6

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7 0
3 years ago
AB and DE are chords that intersect at point F inside circle C as shown. If the measure of arc EA= 50 degrees and the measure of
defon

Answer:

Part 1) m\angle AFE=55^o

Part 2) m\angle EFB=125^o

Step-by-step explanation:

Part 1) what is the measure of angle AFE

we know that

The measure of the interior angle is the semisum of the arches that comprise it and its opposite.

<u>Note:</u> In this problem the correct measure of arc EA is 40 degrees (see the picture)

so

m\angle AFE=\frac{1}{2}(arc\ EA+arc\ DB)

substitute the given values

m\angle AFE=\frac{1}{2}(40^o+70^o)=55^o

Part 2) what is the measure of angle  EFB?

we know that

m\angle AFE+m\angle EFB=180^o ---> by supplementary angles (form a linear pair)

so

substitute the given value

55^o+m\angle EFB=180^o

m\angle EFB=180^o-55^o=125^o

8 0
3 years ago
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