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lukranit [14]
3 years ago
14

6x -18 +2x -9 pls help

Mathematics
2 answers:
sladkih [1.3K]3 years ago
8 0
Answer 8x-27 I will show you how to do it in the picture below

ivann1987 [24]3 years ago
7 0

Answer:

8x - 27.

Step-by-step explanation:

First add the numbers with the variable(x).  Then combine the -18 and -9.

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X^2 - 4x - 4y = 0 in standard form
DENIUS [597]

Answer: y= 1/4x^2-x

I  guess

3 0
3 years ago
A
Evgesh-ka [11]
The answer will end up being c
6 0
3 years ago
Selena was comparing the flying speeds of different birds in science class. Which of the three birds flies fastest? Why?
Mashcka [7]

Answer:

Option C. The robin flies fastest because its rate is 15 m/s

Step-by-step explanation:

Let

x -----> the time in seconds

y ----> the distance in meters

The speed is equal to divide the distance by the time

In this problem, the slope or unit rate of the linear equation is the same that the speed

<em>Robin's Flight</em>

<em>Find the slope</em>

The formula to calculate the slope between two points is equal to

m=\frac{y2-y1}{x2-x1}

take two points from the table

(2,30) and (3,45)

substitute in the formula

m=\frac{45-30}{3-2}

m=\frac{15}{1}

m=15\frac{m}{sec}

<em>Cardinal's Flight</em>

y=10x

m=10\frac{m}{sec}

<em>Blue Jay's Flight</em>

take two points from the graph

(0,0) and (2,20)

substitute in the formula

m=\frac{20-0}{2-0}

m=\frac{20}{2}

m=10\frac{m}{sec}

Compare

The robin flies fastest because its rate is 15 m/s

4 0
3 years ago
PLEASE HELP FAST!!!!
kakasveta [241]

Answer:

i think c. sorry if its wrong

Step-by-step explanation:

4 0
3 years ago
Read 2 more answers
Evaluate:<br> 12.16 x .13 =
nordsb [41]

Answer:

1.5808

Step-by-step explanation:

rounded

hundreds

1.58

tens

1.6

first

2

5 0
3 years ago
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