3 years ago

How do you know how many places are in fifty million without writing the number in standard form?

Mathematics

1 answer:

olga_2 [115]3 years ago

6 0

You have to know and study your number places

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WHAT VALUE IS EQUIVALENT TO (7+3)^2 + (8-1) X 5 EQUAL

sdas [7]

Answer:

135

Step-by-step explanation:

(7+3)^2 + (8-1) * 5

Parentheses first

(10)^2 + (7) * 5

Exponents next

100 + 7*5

Multiply

100 + 35

Add

135

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2 years ago

Which expression represents the phrase "three times the sum of a number and 4"?

Alexxandr [17]

The answer is D. 3(x+4)

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3 years ago

What is the midpoint of the segment shown below?

Bogdan [553]

C. 5/2, 3 this is the answer

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An equation that represents the path of a diver jumping off a diving board is y = –7x2 + 5x + 16. Graph this function from the p

ANTONII [103]

Answer:

See explanation

Step-by-step explanation:

An equation that represents the path of a diver jumping off a diving board is

$y = -7x^2 + 5x + 16.$

The diver jumped to the water when x = 0.

Then

$y=-7\cdot 0^2+5\cdot 0+16=16$

The jumper reached the water when y = 0, then

$-7x^2+5x+16=0\\ \\D=5^2-4\cdot (-7)\cdot 16=25+448=473\\ \\x_{1,2}=\dfrac{-5\pm\sqrt{473}}{-14}$

So, point where the jumper reached the water is

$\left(\dfrac{5+\sqrt{473}}{14},0\right)\approx (1.93,0)$

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3 years ago

Sandra can type 180 words in 3 minutes. At this rate, how many words can she type in 5 minutes?

mezya [45]

180 divided by 3 = 60

60 x 5 = 300

she can type 300 words in 5 minutes

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3 years ago

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