3 years ago

Graph this equation : y=2(3)x

Mathematics

1 answer:

svet-max [94.6K]3 years ago

7 0

Equation simplifies to y=6x, so slope=6 (up 6/right 1)

3 plots --> (-1,-6), (0,0), (1,6)

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Please evaluate the equation

snow_lady [41]

Step-by-step explanation:

$= \sum \limits_{n = 1}^{7} ( - 2. {6}^{n - 1} )$

$= \sum \limits_ {n = 1}^{n_{ \text{max}}} (a_1. {r}^{n - 1} )$

$\:$

$a_1 = - 2$

$n = 7$

$r = 6 \to r >1$

$\:$

• Find S7.

$s_n = a_1.( \frac{ {r}^{n} - 1}{r - n} )$

$s_7 = - 2.( \frac{ {6}^{7} - 1 }{6 - 1} )$

$s_7 = - 2.( \frac{279.936 - 1}{5} )$

$s_7 = - 2.( \frac{279.935}{5} )$

$s_7 = - 2 \: . \: 55.987$

$s_7 = - 111.974$

The answer is B.

8 0

2 years ago

Write the equation in the slope-intercept form. 7x − 4y + 8 = 0

slega [8]

7x - 4y + 8=0 slope intercept is y=mx+b so you have to get y alone
+4y =+4y so add for y on both sides
7x + 8=4y Then divided 4y on both sides
7x/4 8/4= 4y/4
slope intercept form is y=7/4x+2

4 0

3 years ago

Read The question and Then give Me The answer for number 20

N76 [4]

The second option, 7 rolls of quarters and 4 rolls of dimes.

7*10=70
4*5=20
70+20=90

7 0

3 years ago

Help meee PLEASE I REALLY NEED HELP

Lerok [7]

Well lets go through what I know

The answer to the first one (A) is 49 and were looking for 45
Second questions answer (B) is 45 and that's the number were looking for so there's no need to go any further.

So the answer we are looking for is (B) 45

Hope this helps!

8 0

3 years ago

the midpoint of PQ is R. R has coordinates (-3,2,-1) and P has coordinates (4,-6,-6). What are coordinates of Q?

vlabodo [156]

Point Q would have the coordinates of (-10, 10, 4)

5 0

4 years ago