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goblinko [34]
2 years ago
9

Answer please please​

Mathematics
2 answers:
sveta [45]2 years ago
7 0

Answer:

What is the question?

Step-by-step explanation:

il63 [147K]2 years ago
4 0
What is the question???
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Phoebe bought 28 ounces of gourmet cheese for a fondue. If the cheese sells for ​$6.00 per​ pound, how much will Phoebe pay for
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$10.50
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Rewrite the equation by completing the square.<br> 4x2 + 28x + 49 = 0<br> (x+) =
Vlada [557]

Answer: x = - 3.5

Step-by-step explanation:

Rewrite the equation by completing the square.

4x2 + 28x + 49 = 0

Completing the square method :

Divide through by the Coefficient of x^2

x^2 + 7x + (49/4) = 0

a = 1, b = 7, c = 49/4

Move c to the right side of the equation

x^2 + 7x = - 49/4

Complete the square on the left hand side by squaring its half of the x term

(7/2)^2 = (49/4)

Add the output to both sides of the equation

x^2 + 7x + (49/4) = - (49/4) + (49/4)

(x + 7/2)^2 = 0

Square root of both sides

x + 7/2 = 0

x = - 7/2

x = - 3.5

4 0
3 years ago
If Clay can run one lap in a ¼ of an hour. How many hours will it take him to run 5 ⅓ laps around the track.​
Serjik [45]

Answer: 21

Step-by-step explanation

5 1/4 divided by 1/4

u simplify 5 1/4 =21/4

1/4=0.25

21/4 divided by 1/4 is 21

4 0
2 years ago
A rocket is fired directly upwards with a velocity of 80 ft/sec. The equation for its height, H, as a function of time, t, is
sleet_krkn [62]

Answer:

(c).

Step-by-step explanation:

h(t) = - 16 t² + 80 t

Coordinates of the vertex are:

<em>t</em> = - \frac{80}{2(-16)} = \frac{5}{2} = <em>2.5 sec. </em>

<em>h</em> = - 16(2.5)² + 80(2.5) = - 100 + 200 = <em>100 ft</em>.

3 0
3 years ago
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