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zalisa [80]
3 years ago
10

Heeelp meeee :))))))

Mathematics
2 answers:
goldfiish [28.3K]3 years ago
8 0

Answer:

C) y = 2x

Step-by-step explanation:

That's the only equation that if x = 0, y will = 0

sertanlavr [38]3 years ago
4 0

Answer:

C

Step-by-step explanation:

The equation of a line in slope- intercept form is

y = mx + c ( m is the slope and c the y- intercept )

A

y = x + 1 ← has a y- intercept of 1

B

y = x - 1 ← has a y-intercept of - 1

C

y = 2x ← has a y- intercept of 0

D

y = 2x + 2 ← has a y- intercept of 2

Thus y = 2x passes through the origin → C

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Answer is 48.........
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The sum of two positive integers is 13 the difference between these numbers is 7 what is their product ? Explain :
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A+b=13
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add the two equations using system of equations
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1.5 horas para realizar un afinamiento; 0,2 horas para limpiar la bateria; 0,75 horas para cambiar el aceite y el filtro del mot
Sunny_sXe [5.5K]

Answer:

170.56\ soles

Step-by-step explanation:

The question in English

1.5 hours for tuning; 0.2 hours for cleaning the battery; 0.75 hours for changing the oil and engine filter; 1.45 hours for changing and aligning lights; and 1.3 hours for repairing the air conditioning system. The hourly rate is 32.8 soles; how much does it cost to repair the car?

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Sum the hours to repair the car

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3 0
3 years ago
Please someone help me...​
Savatey [412]

use a^2-b^2=(a+b)(a-b)

to get (\cos^3A-\sin^3A)(\cos^3A+\sin^3A)

then use a^3+b^3=(a+b)(a^2+b^2-ab)

and a^3-b^3=(a-b)(a^2+b^2+ab)

also, \sin^2\theta+\cos^2\theta=1

to get (\cos A-\sin A)(1+\sin A\cos A)(\cos A+ \sin A)(1-\sin A\cos A)

then again use the first identity In both pairs, i.e.

(\cos A-\sin A)(\cos A+ \sin A) \cdot (1+\sin A\cos A)(1-\sin A\cos A)

to get \cos 2A (1-\sin^2A\cos^2A)

multiply and divide by 4 to get the RHS.

because, \sin(2A)= 2\sin A \cos A

squaring both sides, \sin^2 (2A)=4\sin^2A\cos^2A

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3 years ago
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What is the slope of the line that passes through the points (-2.15) and (-8,-5)?​
Savatey [412]

Slope = 20/6 = 10/3

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