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Kaylis [27]
2 years ago
9

The first two steps to solve the equation 3x2−7=47+7xare shown below:Step 1: 3x2−7x−7−47=0Step 2: 21x2−49x−49−4=0Which property

is applied in step 1 to obtain step 2?Adivision property of equalitydivision property of equalityBaddition property of equalityaddition property of equalityCmultiplication property of equalitymultiplication property of equalityDsubtraction property of equality
Mathematics
1 answer:
klemol [59]2 years ago
6 0
\begin{gathered} \text{There is multiplication of 7.} \\ \text{So, the multiplication property of the equation.} \end{gathered}

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A circle is centered at M (0,0). The point B (-4, square root of 5) is on the circle. Where does the point A (5,-1) lie?
Norma-Jean [14]

Answer: outside the circle

Step-by-step explanation: use pythagorean theorem to check radius of circle using the given points on a circle and see if the radius of the second point matches up using pythagorean theorem. use a graphing calculator to double check.

7 0
4 years ago
Magnus purchased a new car for $35,865. It depreciates about 3.6% each year. What is the value of the car after 10 years?
Naddik [55]
1 year = 3.6 % depreciation
100-3.6=96.4

so you do 35,865 ×0.964 = 34,573.86

so the price after a year is £34,573.86

to find out what the price is after 10 years you do 34,573.86 (0.964) to the power of 10
which equals £23961.73

I hope that was helpful :)

5 0
4 years ago
In how many ways can 4 people have different birth months?
Agata [3.3K]

Answer:

48

12 (the number of months in a year) multiplied by 4 (the number of people)

6 0
3 years ago
What's the lowest point of the graph of 10y + 30 = x?
inna [77]
The lowest must be ,,,,,when x=0
so
10y+30=0
10y=-30
y=-3
So your answer is (0, -3)
3 0
4 years ago
COMBINATION/PERMUTATION MATH HELP???
Artyom0805 [142]
This type of combination problem involves combined probability, or the chance that a specific set could be chosen based on the probability of multiple variables.

The number that could be generated follows the example:

XXYZZZZ

where X describes a letter, and Y describes a number that isn’t zero, and Z describes any number.

Two probabilities exist in this situation, depending on the circumstances of the question. By pressing any number once, only 8 letters can be used (ten digits, minus the one and two keys, since they don’t have letters). This means that the probability of this event is:

8 x 8 x 9 x 10 x 10 x 10 x 10

where the two eights are for the letters, the nine is for the digit that isn’t zero, and the tens are for any numbers from the keypad. This permutation yields 5,760,000 choices.

If you are allowed to press the numbers more than once to generate a letter, then the probability changes to account for the entire alphabet. The new probability of this event is :

26 x 26 x 9 x 10 x 10 x 10 x 10

where this permutation yields 60,840,000 choices.

Hope this helps!
5 0
3 years ago
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