3 years ago

Circle circumference using c=2pie 8m

Mathematics

1 answer:

zhannawk [14.2K]3 years ago

5 0

401.92m^2.............

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Choose the correct zeros for the following quadratic function.

sesenic [268]

Answer:

Step-by-step explanation:

x^2+5x-14

factor by finding multiples of (-14) that add up to 5

7*-2=-14

7+-2=5

So the factored out equation is (x+7)(x-2)

Therefore the solutions are x=-7 and x=2

6 0

3 years ago

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Jk=8x+6 and kL=6x+20<br> Find JL

mr Goodwill [35]

Jk=8x+6
J=(8x+6)/k

kL=6x+20
L=(6x+20)/k

JL=(8x+6)/k * (6x+20)/k
=(48x²+196x+120)/k²

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3 years ago

Uni made a model of a 1970 Ford Mustang using a scale of .5 inches = 9 in. If the actual car is 15 ft long, how long is the mode

kykrilka [37]

Answer:

The model car is 10 inches long

Step-by-step explanation:

To solve this question, we use conversion of units

Feet to inches.

Each feet has 12 inches.

The car is 15ft long.

So the car has 15*12 = 180 inches.

.5 inches = 9 in.

Rule of three

.5 inches - 9 inches

x inches - 180 inches

$9x = 180*0.5$

$9x = 90$

$x = \frac{90}{9}$

$x = 10$

The model car is 10 inches long

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3 years ago

Factor the quadratic expression completely<br> 6x^2 – 28x + 32

Fiesta28 [93]

Answer: 2(x-2)(3x-8)

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3 years ago

3(x-4) + 2x - y2 for x = 5

Alborosie

Answer:

there is some of it sorry cant realy help

Step-by-step explanation:

3x+2x=5x 5*5=25

6 0

2 years ago