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SVEN [57.7K]
3 years ago
14

Can somebody help please

Mathematics
1 answer:
FromTheMoon [43]3 years ago
6 0

Answer:

a1 = -10

an = an-1 * -2

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86° 34° Х X = ____ degrees help quick pls​
Rufina [12.5K]

Answer:

60 degrees

Step-by-step explanation:

The angles all have to add up to 180, so you can do

34 + 86 +x = 180\\120 + x = 180\\x = 60

3 0
3 years ago
Read 2 more answers
Brian is riding his bike. He biked a distance of 14 miles at a rate of 14 miles per hour. Rearrange the distance formula, d = rt
Mariana [72]

Answer:

60 minutes

Step-by-step explanation:

The distance formula is:

D = RT

Where

D is distance (in miles)

R is rate (in miles per hour)

T is time (in minutes)

Given,

D = 14 miles

R = 14 miles per hour

We want to find T, so we have:

D=RT\\T=\frac{D}{R}\\T=\frac{14}{14}\\T=1

So the time is 1 hour

We want in minutes, and we know 60 minutes is 1 hour, so the time (in minutes) is 60 minutes

8 0
3 years ago
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10. The legs of an isosceles triangle are (3x2 + 4x + 2) inches and the base is
Igoryamba

Answer:

  6x^2 +12x -1

Step-by-step explanation:

The perimeter is the sum of the two leg lengths and the base length:

  P = 2(3x^2 +4x +2) +(4x -5)

  = 6x^2 +8x +4 +4x -5

  P = 6x^2 +12x -1

6 0
3 years ago
Ax+ bx + c = 0<br> x2 - 2x - 3 - 0
Helga [31]

idk the correct answer help me to get points plzz

............................................................................

4 0
3 years ago
2.
Ivenika [448]

Answer:

Part A) 56 mph

Part B) 12 hours

Step-by-step explanation:

Part A) 168/3 = 56 mph

Part B) 672/56 = 12 hours

6 0
2 years ago
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