3 years ago

How many solutions 2x+4=2(x+2) 0 1 many

1 answer:

6 0

In order to find the number of solutions, we first must solve the equation.

2x+4=2x+4
2x=2x
x=x

When x=x, we can use infinetly many solutions. For example if we try the value x=4, we can input it into the equation.

2(4)+4=2((4)+2)
8+4=2(6)
12=12

Since we got an answer that is true, we can say confidently there are one solutions. This remains true for all real values of x.

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You are investing $1500 at 5.2% compounded annually. How much money will you have in 12 years?

erica [24]

Answer:

$2756.01 to the nearest cent.

Step-by-step explanation:

A = P(1 + r)^t where A is the amount after t years, P = amount invested, r = rate as a decimal fraction.

So here, we have:

A = 1500(1 + 0.052)^12

= 1500 * 1.837337

= $2756.01

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2 years ago

A runner is 7/8 mile from the finish line. If she can travel 3/8 mile per minute, how long will it take her to finish the race?

Ksivusya [100]

Answer:

2 1/3 minutes

Step-by-step explanation:

Distance:

d = 7/8 mile

Speed:

s = 3/8 mpm

Time:

t = d/s
t = 7/8 : 3/8 = 7/8 * 8/3 = 7/3 = 2 1/3 min

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2 years ago

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From a point on the ground 12 ft. from the base of a flagpole, the angle of elevation of the top of the pole measures 53°. How t

torisob [31]

Answer:

4.75 feet

Step-by-step explanation:

Let the height of the flagpole be x

Sin 53 = x/12

x = 12 × Sin 53

x = 12 × 0.3959

x = 4.75 feet

5 0

3 years ago

Find the area and perimeter of the rectangle Length = 5cm Breadth =2cm

avanturin [10]

Answer:

perimeter: 14

Area: 10

Step-by-step explanation:

PERIMETER

2x(L+B) = 2x(5+2) = 2x(7) = 14

AREA

LxB = 5x2 = 10

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3 years ago

??????????????????????????????????

iogann1982 [59]

Answer:

angle 3 is 140°

Step-by-step explanation:

angle 2 and angle 3 are equal

angle 4 and 1 are also equal

angle 3 =

180-40= 140

angle 3 is 140

4 0

3 years ago

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