3 years ago

THE NUMBER THAT IS 7 MORE THAN THE NUMBER N

Mathematics

2 answers:

Musya8 [376]3 years ago

6 0

N+7
....................

Anvisha [2.4K]3 years ago

3 0

7 more than N

that is = 7 + N

So the number is (N + 7)

Hope this explains it.

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Consider the equation below.

Korvikt [17]

Answer:

Equation in square form:

$y=3(x+5)^2-4$

Extreme value:

$(h,k)=(-5,-4)$

Step-by-step explanation:

We are given

$y=3x^2+30x+71$

we can complete square

$y=3(x^2+10x)+71$

we can use formula

$a^2+2ab+b^2=(a+b)^2$

$y=3(x^2+2\times x\times 5)+71$

now, we can add and subtract 5^2

$y=3(x^2+2\times x\times 5+5^2-5^2)+71$

$y=3(x^2+2\times x\times 5+5^2)-3\times 5^2+71$

$y=3(x+5)^2-75+71$

So, we get equation as

$y=3(x+5)^2-4$

Extreme values:

we know that this parabola

and vertex of parabola always at extreme values

so, we can compare it with

$y=a(x-h)^2+k$

where

vertex=(h,k)

now, we can compare and find h and k

$y=3(x+5)^2-4$

we get

h=-5

k=-4

so, extreme value of this equation is

$(h,k)=(-5,-4)$

6 0

3 years ago

Read 2 more answers

a box contains three pens two markers, and one highlighter. Tera selects one item randomly and does not return it to the box, th

Anna [14]

Answer:

For the pen 3/6 and for the marker 2/6

Step-by-step explanation:

Hope this helps

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3 years ago

1.Simplify 4√3 - 24√3 A. -20√3 B. 20√3 C. -6√15 D. -64√3

Zinaida [17]

1) 4√3 - 24√3 = -20√3

2) Multiply and simplify square root of 3 times the quantity of 4 + square root of 12:
(√3) x 4 + √12==> (√3) x 4 + √(4 x 3)==> 4√3 + 2√3 = 6√3

3) Simplify √3 + 4√3. ===> =5√3

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3 years ago

An electronics store is advertising a discount of 18% off all of their inventory. Constantine buys a DVD player that originally

e-lub [12.9K]

The DVD player that originally cost $300 now costs 0.82*300, or $246.

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3 years ago

Square root of 756 simplified

WARRIOR [948]

The answer is 6√21 if I'm right

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