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3 years ago

I need help with these five questions

Mathematics

1 answer:

Leya [2.2K]3 years ago

5 0

Answer:

The fourth

The second

The first

The third

The fourth

Step-by-step explanation:

h(x)+g(x)=x²+4x–3

p(x)=R(x)–C(x)=50x–(8x+250)=42x+250

g(x).h(x)=(4x+1)(x²–3)=4x³–12x+x²–3=4x³+x²–12x–3

(f/g)(x)=(6x–3)/(12x²–6x)=(6x–3)/(2x(6x–3))

=1/2x x≠0 (as the equation then will be undefined)

g(x)–f(x)=(x²+1)–(2x+5)=x²–2x–4

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E 7 cm Find the value of x to 3 significant figures. x 12 cm 8 cm

kvasek [131]

Answer:

12.0 to 3 dig digs You must include the 0 to get 3 significant figures.

Step-by-step explanation:

Comment

This is a Pythagorean Problem. Use the formula

c ^2 = a^2 + b^2

Givens

a = 8 - 7 = 1 cm

b = 12 cm

c = ?

solution

c^2 = 1^2 + 12^2

c^2 = 1 + 144

c^2 = 145 Take the square root of both sides

√c^2 = √145

c = 12.04

c = 12.0 to 3 sig digs.

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3 years ago

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Darina [25.2K]

Answer:

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Step-by-step explanation:

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3 years ago

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2000:$5 2015:$6.5 what is the percent change

Julli [10]

Answer:

30%

Step-by-step explanation:

% of change = 100 x (6.5-5)/ | 5 |

7 0

3 years ago

PLEASE HELP ME I'M DESPERATE. Delta Math Question!!!

makkiz [27]

Answer:

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Step-by-step explanation:

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2 years ago

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Step-by-step explanation:

Use -5 in place of x

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