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3 years ago

What is the line of symmetry for the parabola whose equation is y = x2 + 10x + 25?

Mathematics

1 answer:

omeli [17]3 years ago

8 0

Answer:

x = -5

Step-by-step explanation:

Please write this as y = x^2 + 10x + 25. Here the coefficients are {1, 10, 25}.

The equation of the axis of symmetry is x = -b/[2a], which here is

x = -10 / [2*1] = -5

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What is the x-intercept of y=6x-7

Gnoma [55]

Hello!

The x-intercept of y = 6x - 7 is 1.167.

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2 years ago

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37 is ____ % of 148; 148 is ____ % of 37 fill in the blanks

soldier1979 [14.2K]

37 is 25% of 148; 148 is 400% of 37

Step-by-step explanation:

Let us solve the questions one by one

"37 is ____ % of 148"

Let x be the percentage

Then

$37 = x\%\ of\ 148\\37 = 148x\\x = \frac{37}{148}\\x = 0.25$

to convert in percentage, multiplying by 100

= 25%

"148 is ____ % of 37"

Let y be the percentage

then

$148 = y\%\ of\ 37\\148 = 37y\\y = \frac{148}{37}\\y = 4$

To convert into percentage, multiplying by 100

= 400%

Hence,

37 is 25% of 148; 148 is 400% of 37

Keywords: Percentage, percent

Learn more about percentage at:

#LearnwithBrainly

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3 years ago

1) A business man gives N18 000,00 to his three children

pashok25 [27]

Answer: The least share is N450000

Step-by-step explanation:

Given that :

Amount shared = N18 00000

Sharing ratio = 5:4:3

Amount shared by each child :

Total ratio = (5 + 4 + 3 )= 12

First share :

(5 / 12) × 1800000 = 750000

Second share :

(4/12) × 1800000 = 600000

Third share:

(3/12) × 1800000 = 450000

The least amount of the three shares is :

N450000

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3 years ago

How to write 0.125 as a fraction in simplest form

hoa [83]

Answer:

0.125 = 125/1000

Step-by-step explanation:

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3 years ago

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Plz help only have 11 mins

marin [14]

Answer:

Step-by-step explanation:

18 7/8 - 14 7/9

18 63/72 - 14 56/72

= 4 7/72

answer is B

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2 years ago