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inessss [21]
3 years ago
7

Find the equation of the line that satisfies the given conditions the y intercept is 3 and the x intercept is -1

Mathematics
1 answer:
Liula [17]3 years ago
7 0
The y intercept is when x=0, the x intercept is when y=0
so you two points are: (0, 3) and (-1, 0)
the slope is: m=(0-3)/(-1-0)=3, you y intercept(b) is 3
y=mx+b=> y=3x+3
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Find the number, if 35% of it is 5.5% of 56
USPshnik [31]

56*.055=3.08

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8.8 is your answer

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Solve the system of equations by first multiplying 2x + y = 1 3x + 3y = 15 Write the solution as an ordered pair:_____
jasenka [17]

Multiply the equation 2x + y = 1 by 3 to obtain same coefficients of y.

\begin{gathered} (2x+y=1)\times3 \\ 3\cdot2x+3\cdot y=3\cdot1 \\ 6x+3y=3 \end{gathered}

Substract the equation 3x + 3y = 15 from 6x + 3y = 3 to eliminate the terms of y.

\begin{gathered} 6x+3y-(3x+3y)=3-15 \\ 3x=-12 \\ x=-\frac{12}{3} \\ =-4 \end{gathered}

Substitute -4 for x in the equation 2x + y = 1 to obtain the value of y.

\begin{gathered} 2\cdot(-4)+y=1 \\ -8+y=1 \\ y=1+8 \\ =9 \end{gathered}

So solution of equations is (-4,9).

8 0
1 year ago
Makakaanswer neto may brainlest,follow,5 star,at 1 heart step-by-step explenaition po ah thank you
shusha [124]
3/4 + 1/2
multiply 1/2 denominator and numerator by 2 to match 3/4
= 3/4 + 2/4 = 5/4 (copy same denominator add numerator)

2/6 + 1/3
divide 2/6 denominator and numerator by 2 to match 1/3
= 1/3 + 1/3 = 2/3 (copy same denominator add numerator)

5/9 + 2/3
multiply 2/3 denominator and numerator by 3 to match 5/9
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6/9 -1/5
cross multiply 6x5 - 1x9 for numerator
for denominator multiply 9x5
=30/45 - 9/45= 21/45
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ziro4ka [17]

Answer:

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Step-by-step explanation:

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Sonbull [250]

Answer:

M

Step-by-step explanation:

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ax^4+bx^3+cx^2+dx+e

We can put any values for the variables a, b, c, d, and e.

The general shape of a fourth degree polynomial is in the shape of the English letter "W".

The leading coefficient is the value of "a".

If a is negative, the curve gets upside down, so a "W" going upside down would resemble an "M".

A graph of a quartic with negative leading coefficient is shown attached. The equation is:

-x^{4}+2x^{3}+x^{2}-2x-2

4 0
4 years ago
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