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pav-90 [236]
3 years ago
14

How do you solve?3(t+4)-2(2t+3)=-4

Mathematics
2 answers:
shepuryov [24]3 years ago
8 0
3t+12-4t-6=-4
-t=-4+6-12
-t=-10
t=10
That's your answer.
Gnoma [55]3 years ago
8 0
3(t+4) - 2(2t+3) = -4
3t + 12 - 4t -12 = -4     ~step1: distribute both parenthesis
-t = -4                        ~step2: combine like terms (the 12s cancel each other)  
t=4                         ~step3: multiply each side by "-1" to rid of the - sign

hope this helped ! c:

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The plate is rotated 90° about the origin in the counterclockwise direction. In the image trapezoid, what are the coordinates of
Jet001 [13]

Answer:

The coordinates of the endpoints of the side congruent to side EF is:

E'(-8,-4) and F'(-5,-7).

Step-by-step explanation:

<em>" when point M (h, k) is rotated about the origin O through 90° in anticlockwise direction or we can say counter clockwise. The new position of point </em><em>M (h, k) will become M' (-k, h) "</em>

We are given a trapezoid such that the vertices of trapezoid are:

E(-4,8) , F(-7,5) , G(-4,3) , H(-2,5)

Then the new coordinates after the given transformation is:

E(-4,8) → E'(-8,-4)

F(-7,5) → F'(-5,-7)

G(-4,3) → G'(-3,-4)

H(-2,5) → H'(-5,-2)

Hence the coordinates of the endpoints of the side congruent to side EF is:

E'(-8,-4) and F'(-5,-7).


4 0
3 years ago
1) Convert the following to decimals:<br> a) 25% b) 60% c) 72.1%<br> d) 7%<br> e) 9.5%<br> f).66%
KIM [24]

25% = 25% : 100% = 0,25 ← the end

60% = 60% : 100% = 0,6 ← the end

72,1% = 72,1% : 100% = 0,721 ← the end

7% = 7% : 100% = 0,07 ← the end

9,5% = 9,5% : 100% = 0,095 ← the end

66% = 66% : 100% = 0,66

5 0
3 years ago
John travels 39 miles moving 26 miles per hour.How long will it take for his trip? HELPP!!!!
loris [4]
t=\frac{d}{v}
t - time, d - distance, v - speed

d=39 \ mi \\&#10;v=26 \ \frac{mi}{h} \\ \\&#10;t=\frac{39}{26}=\frac{3 \times 13}{2 \times 13}=\frac{3}{2}=1.5 \ [h]

It will take 1.5 h.
7 0
3 years ago
(0,-1)(5-2)what is the slope
ruslelena [56]

The formula of a slope m:

m=\dfrac{y_2-y_1}{x_2-x_1}

We have the points (0, -1) and (5, -2). Substitute:

m=\dfrac{-2-(-1)}{5-0}=\dfrac{-2+1}{5}=-\dfrac{1}{5}

<h3>Answer: The slope = -1/5</h3>
8 0
3 years ago
What is the solution set of 6 x 2 - 24 = 0?
Aleks [24]

Brainliest please?

Answer: <u><em>no solution</em></u>

there is no solution set

Step-by-step explanation:

6 x 2 = 12

12 - 24 = -12

-12 is not equal to 0

there are no solutions

4 0
3 years ago
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