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GenaCL600 [577]
4 years ago
12

Pls help with this qeusetion pls

Mathematics
1 answer:
jekas [21]4 years ago
4 0

Answer:

a is 1

b is 1,5

Step-by-step explanation:

lol

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A train travels at a constant speed of 35 feet per second. How many minutes will it take the train to travel exactly 70 miles? (
olga_2 [115]

176 minutes,

70x5,280= 369,600 divide by 35= 10,560 divide by 60=176

3 0
4 years ago
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Write the standard form of the equation of the circle with the center (0,2) that passes through (7,3)
Alex787 [66]

Answer:

x²+y²-4y-46=0

Step-by-step explanation:

the equation of a circle is in the form (x - a)² + (y - b)² = r², where (a,b) is the center of the circle

the equation is (x - 0)² + (y - 2)² = r², where r is the radius. But r is the distance from (0,2) to (7,3)

the distance from two points is given by r² = (x₁ -x₂)² + (y₁ - y₂)²

r²= (0 - 7)² + (2 - 3)²

r² = 49 + 1 = 50

hence the equation is  

                  (x)² + (y - 2)² = 50

                  x²+y²-4y+4 = 50

                 x²+y²-4y-46= 0

5 0
3 years ago
Which of these is a simplified form of the equation 7y + 7 = 9 + 2y + 2y?
Verizon [17]
3y = 2  see picture for directions

6 0
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Given the geometric sequence where a1 = 2 and the common ratio is 8, what is the domain for n?
sukhopar [10]

Answer:

B. All integers where n ≥ 1

Step-by-step explanation:

We are given the geometric sequence where a1 = 2 and the common ratio is 8.

Where a1 is the first term.

we have to find the domain for n.

The general formula for the geometric sequence is:

  an=a1\times r^{n-1}

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Hence, the correct option is:

B. All integers where n ≥ 1

3 0
3 years ago
Solve for x: -4x – 18 = 22
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Answer:

x=-10

Step-by-step explanation:

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3 years ago
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