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nika2105 [10]
3 years ago
8

Simplify 3x-2+5x+9 pls

Mathematics
2 answers:
vfiekz [6]3 years ago
6 0

Answer:

8x+7

Step-by-step explanation:

creativ13 [48]3 years ago
3 0

Answer:

8x + 7

Step-by-step explanation:

3x - 2 + 5x + 9

3x + 5x + 9 - 2

8x + 7

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Which is the equation of a line that passes through the point (3,-4) and has a slope of 2.
Travka [436]

Answer:

y = 2x - 10

Step-by-step explanation:

The equation of a line in slope- intercept form is

y = mx + c ( m is the slope and c the y- intercept )

Here m = 2, thus

y = 2x + c ← is the partial equation

To find c substitute (3, - 4) into the partial equation

- 4 = 6 + c ⇒ c = - 4 - 6 = - 10

y = 2x - 10 ← equation of line

6 0
3 years ago
What set of transformations is performed on triangle RST to form triangle R’S’T’?
ra1l [238]

Answer:

D. A translation 2 units down followed by a 270-degree counterclockwise rotation about the origin

Step-by-step explanation:

The given triangle has vertices at R(3,4), S(1,1), and T(5,1)

Translating the the vertices down by 2 units, we apply the rule;

(x,y)\to (x,y-2)

\implies (3,4)\to (3,2)

\implies (1,1)\to (1,-1)

\implies (5,1)\to (5,-1)

Rotating the resulting vertices through an angle 270 degrees counterclockwise, we apply the rule:

(x,y)\to (x,-y)

\implies (3,2)\to R'(2,-3)

\implies (1,-1)\to S'(-1,-1)

\implies (5,-1)\to T'(-1,-5)

Therefore the correct choice is D.

4 0
3 years ago
jerome bought 2 postcards and received $1.35 in change in quarters and dimes. If he got coins back, how many of each coin did he
Butoxors [25]
There are many possibilities

11 dimes and 1 quarter

6 dimes and 3 quarters

1 dime and 6 quarters

Much more...
7 0
3 years ago
When a number is divided by 5, it has a remainder of 4.
Alexxx [7]

Answer:

37

Step-by-step explanation:

I plugged in the numbers between 35 and 40 and got this. No problem. :)

7 0
2 years ago
PLEASE I NEED THE ANSWERS
Olenka [21]

Answer:

1 is not a transformation

2 is a reflection

3 is a dilation

4 is a translation

Step-by-step explanation:

8 0
2 years ago
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