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Bingel [31]
2 years ago
14

T=2r + 3 5r - 4t = 6

Mathematics
2 answers:
ludmilkaskok [199]2 years ago
4 0

Answer:

solving by substitution: t = -9, r = -6

Step-by-step explanation:

drek231 [11]2 years ago
4 0

Answer:

Step-by-step explanation:

5r-4(2r+3)=6

5r-8r-12=6

-3r=18

r=-6

t=2(-6)+3

t=-12+3

t=-9

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The solution set for <br> 6a^2-a-5=0
Alex_Xolod [135]

Answer:

a=1 or a=5/6

Step-by-step explanation:

I'm going to attempt to factor 6a^2-a-5

a=6

b=-1

c=-5

Find two numbers that multiply to be a*c and add to be b.

a*c=-30                                   =-6(5)

b=-1                                          =-6+5

So replace -a with -6a+5a in the expression we started with

6a^2-6a+5a-5

now we factor by grouping

6a(a-1)+5(a-1)

(a-1)(6a-5)

Now let's solve the equation:

(a-1)(6a-5)=0

So a=1 or a=5/6

4 0
3 years ago
Help with this plz on finding x
ratelena [41]
M<3 = m<5
10x = 12x - 25
2x = 25
x = 12.5

answer is A. first choice
3 0
3 years ago
640, 160, 40, 10,....
-Dominant- [34]
The pattern is dividing by 4 so it would be: 640 (divided by 4), 160 (divided by 4), 40 (divided by 4), 10 (divided by four), 5/2.
The next number would be 10/4 or 5/2 when simplified. (I’d go with 5/2 because teachers liked simplified numbers)
4 0
3 years ago
For which interval is the function increasing<br><br> Choose two answers that are correct
kaheart [24]

Answer:

-8 ≤ x ≤ - 6

2 ≤ x ≤  6

Step-by-step explanation:

Increasing part of the function can be easily determined from the graph.

Note that increasing function means for each successive values of 'x', the values of 'y' keep increasing.

From the graph, we see that the function is increasing in the interval $ - 8 \leq \ x \leq -6 $

Between -6 and -4, the graph is constant and takes the value 4.

After that it decreases till x = -2 until it becomes a constant function again on x = 2.

Then, it again increases from x = 2 till x = 6. This is represented by the interval

$ 2 \leq x \leq 6 $.

Then it again decreases.

So, OPTION A and C are the answers.

3 0
3 years ago
A sofa is on sale for 26% off. The sale price is $629 . What is the regular price?
OlgaM077 [116]
100% - 26% = 74%

74% ..............$629
<span>100% ..............?

629 x 100/74 = 850
</span>
answer
regular price is $850

6 0
3 years ago
Read 2 more answers
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