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3 years ago

Pls pls pls pls pls pls

Mathematics

2 answers:

stealth61 [152]3 years ago

8 0

Answer:

so I just looked at it and saw 1=17 so for this one all you have to do is 510 ÷17 = 30

Vesna [10]3 years ago

6 0

Answer:

$30

Step-by-step explanation:

One dollar is 17 pesos according to the chart, so 510/17 would be the US dollar price ($30)

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7 - 12c = 43 show work and check plz

Svetradugi [14.3K]

The answer is -3

-12c = 43 - 7
-12c = 36
÷ -12 ÷-12
c = -3

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3 years ago

What do you need to do for this 2 step

Andrew [12]

−27
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3 years ago

Read 2 more answers

$25000 at 4.25% for 2 year

lianna [129]

Answer:

Step-by-step

Monthly Payment $1,088.41

Total Interest Paid $1,121.77

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Mark brainliest if this answer is correct please

6 0

3 years ago

What's the full equation for this graph?

swat32

1.
Left side of a graph is a line that passes through points $A=(-1,-1)$ and $B=(1,4)$ so we can write its equation as:

$(y-y_A)=\dfrac{y_B-y_A}{x_B-x_A}(x-x_A)\\\\\\
\big(y-(-1)\big)=\dfrac{4-(-1)}{1-(-1)}\big(x-(-1)\big)\\\\\\
y+1=\dfrac{4+1}{1+1}(x+1)\\\\\\y+1=\dfrac{5}{2}(x+1)\\\\\\y+1=\dfrac{5}{2}x+\dfrac{5}{2}\\\\\\y=\dfrac{5}{2}x+\dfrac{5}{2}-1\\\\\\\boxed{y=\frac{5}{2}x+\frac{3}{2}}$

2.
Right side of a graph is a parabola with vertex $V=(3,-3)$ that passes through point $P=(1,1)$ . Its equation:

$y=a(x-x_V)^2+y_V\\\\y=a(x-3)^2+(-3)\\\\y=a(x-3)^2-3$

Substitute $x=1$ and $y=1$ to calculate parameter $a$

$1=a(1-3)^2-3\\\\1=a(-2)^2-3\\\\1=4a-3\\\\4a=4\quad|:4\\\\a=1$

and we have the equation of parabola:

$y=a(x-3)^2-3\\\\y=1\cdot(x-3)^2-3\\\\y=(x-3)^2-3\\\\y=x^2-2\cdot x\cdot3+3^2-3\\\\y=x^2-6x+9-3\\\\\boxed{y=x^2-6x+6}$

From 1. and 2. full equation for graph is:

$f(x)=\begin{cases}\dfrac{5}{2}x+\dfrac{3}{2}\qquad\text{for}\,\,\,x\ \textless \ 1\\\\x^2-6x+6\qquad\text{for}\,\,\,x\geq1\end{cases}$

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4 years ago

HELP URGENT PLEASE !!!!!!!!!!!!!!!!!!

Black_prince [1.1K]

Answer:

y=69*43

Step-by-step explanation:

this is not correct because the words are writen

7 0

3 years ago