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3 years ago

Whats the x intercept of y = 1x + 3

Mathematics

2 answers:

Natali5045456 [20]3 years ago

8 0

Answer:

(-3,0)

Step-by-step explanation:

To find the x intercept, let y = 0 and solve for x

y =x+3

0 = x+3

Subtract 3 from each side

-3 = x+3-3

-3 =x

The x intercept is -3

(-3,0)

andreyandreev [35.5K]3 years ago

7 0

Answer: 1

Step-by-step explanation: SIMPLE just do y=mx+b

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(2,1) is the correct answer

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Answer:

35/8

Step-by-step explanation:

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3 years ago

Solve the equation for the given variable. justify each step.

s344n2d4d5 [400]

Answer: y= $\frac{5-9x}{2}$

s=-30+10t

Step-by-step explanation:

9x + 2y = 5; y

9x-9x+2y = 5-9x

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2 years ago

Evaluate the expression below at x = 6.

vivado [14]

Answer:

Step-by-step explanation:

$(6+1/3x)^2$

Lets first substitute x into the equation:

$(6+1/3[6])^2$

1/3 times 6 = 2

$(6+2)^{2}$

$8^{2}$

Which equals 64

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3 years ago

Edward invested $1600 in a savings account for 8 years. At the end of 8 years, his savings account had $1920 in it.

miss Akunina [59]

$\bf \qquad \textit{Simple Interest Earned Amount}\\\\
A=P(1+rt)\qquad 
\begin{cases}
A=\textit{accumulated amount}\to &\$1920\\
P=\textit{original amount deposited}\to& \$1600\\
r=rate\to r\%\to \frac{r}{100}\\
t=years\to &8
\end{cases}
\\\\\\
1920=1600(1+r8)\implies \cfrac{1920}{1600}=1+8r\implies \cfrac{6}{5}=1+8r
\\\\\\
\cfrac{6}{5}-1=8r\implies \cfrac{\frac{6}{5}-1}{8}=r\implies \cfrac{\frac{1}{5}}{8}=r\implies \cfrac{1}{40}=r
\\\\\\
0.025=r\implies r\%=100\cdot 0.025\implies r=\stackrel{\%}{2.5}$

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3 years ago