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kotegsom [21]
3 years ago
7

Consider the equation 6k+7=Ak-11. If k=3 in this equation, what is the value of A?

Mathematics
1 answer:
Kipish [7]3 years ago
4 0

6(3)+7=A(3)-11

18+7=A3-11

25=A3-11

25+11=A3-11+11

36=A3

36/3=A3/3

12=A


A=12

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Moana's motorcycle travels for 6 hours 30 minutes at an average speed of 50 kph. How far does she travel in total?
elena-s [515]

Answer:

325 km

Step-by-step explanation:

we are given the average speed of Moana's motorcycle and we want to figure out her total distance to do so convert hours to minutes so,

  • 6×60+30 minutes
  • 360+30
  • 390

therefore,

\begin{array}{ccc} \rm 60\: minutes \implies  50kph \\ \displaystyle\rm1  \: minutes \implies \frac{50}{60}  kph \\ \\   \displaystyle \rm390   \: minutes  \:  \implies \frac{50}{60} \times 390kph  \\  \xrightarrow{ \rm reduce \: fraction} \displaystyle  \frac{5}{6}\times 390 \\  \displaystyle \xrightarrow{ \rm \: reduce\: fraction}5 \times 65 \\ \xrightarrow{ \rm \: simplify\: multiplication}325\end{array}

hence,

she travels <u>3</u><u>2</u><u>5</u><u> </u>km in total

3 0
3 years ago
Classify -2x4 - x 3 + 8x2 = 12 by degree. A. quartic B. quintic C. quadratic D. cubic
Dominik [7]
A.) Highest degree of the equation is 4. Therefore it is quartic. Quintic is for polynomial with highest degree 5. Quadratic with highest degree 2 and cubic with highest degree 3.
4 0
3 years ago
Please help. Mathematics.
Alenkinab [10]
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8 0
3 years ago
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What is the ratio of 24
dalvyx [7]
It is 2,3,4,5 there are all of your answere
5 0
3 years ago
How do u do this question step by step<br><br>​
Nutka1998 [239]

Answer:

CRT = 18

TRV = 72

V = 18  

see attachment

Step-by-step explanation:

CRT = 90 - C = 90 - 72 = 18

TRV = 90 - CRT = 90 - 18 = 72

V = 90 - C = 90 - 72 = 18  

RTC =TUS = SXW

6 0
3 years ago
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