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zepelin [54]
3 years ago
10

T + 3t - 7 = 4t - 7???

Mathematics
2 answers:
bogdanovich [222]3 years ago
7 0
t+ 3t - 7 = 4t - 7\\
-7=-7\\
x\in\mathbb{R}
kupik [55]3 years ago
6 0
t+3t-7=4t-7\\\\4t-7=4t-7\ \ \ \ \ |subtract\ 4t\ from\ both\ sides\\\\-7=-7-TRUE\\\\infinitely\ many\ solutions;\\each\ number\ is\ a\ root\ of\ the\ equation\\\\t\in\mathbb{R}
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Jobisdone [24]
1) $375
500 *.25= 125
500-125= 375

2) (5/8)* 32= 20 girls in class
(3/8)* 32= 12 BOYS in class

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4 0
3 years ago
Please at least help me cause I have no idea
Blababa [14]

Answer:

Solving the given formula for v2 gives us:

a(t_2-t_1)+v_1 = v_2

Step-by-step explanation:

Solving an equation for a particular variable means that the variable has to be isolated on one side of the equation.

Given equation is:

a = \frac{v_2-v_1}{t_2-t_1}

Multiplying both sides by t2-t1

(t_2-t_1) . a = \frac{v_2-v_1}{t_2-t_1} . (t_2-t_1)\\a(t_2-t_1) = v_2-v_1

Adding v1 to both sides of the equation

a(t_2-t_1)+v_1 = v_2-v_1+v_1\\a(t_2-t_1)+v_1 = v_2

Hence,

Solving the given formula for v2 gives us:

a(t_2-t_1)+v_1 = v_2

8 0
3 years ago
17. Which of the following measures can be calculated for qualitative data? a. Mean b. Median c. Mode d. All of these
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Answer: C. Mode

Step-by-step explanation:

Qualitative data applies to observable data such as reoccurring patterns (mode)

Quantitative data applies to numbers and numerical calculations (Mean, Median)

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3 years ago
Estimate the difference by rounding to the nearest hundred 3860-2757
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Answer:

1,100 is the answer.

Step-by-step explanation:

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3 years ago
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Answer:

I suggest you use Socratic, it solves questions like this.

Step-by-step explanation:

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