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3 years ago

In a basket, 3 out of 4 eggs are cracked. how many eggs are cracked if their is a total of 28 eggs in the basket

2 answers:

7 0

So it's 3/4 of 28, so...
when we find a fraction of a whole number, we always divide the whole number by the denominator. In this case, 28÷4, which equals to 7. Then, we multiply the numerator with the quotient of the whole number and the denominator: 7 x 3, which is 21. So if in a basket, 3/4 of 28 eggs are cracked, then 21 eggs are cracked.

Sidana [21]3 years ago

3 0

Cracked:all=3:4
3/4=x/28
cross multiply or times both sides by 28
3*7=x
21=x

21 are cracked (bad deal)

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P(×)= x(2x + 1)- 6x-3 <br>Factorize p(×)

kherson [118]

Step-by-step explanation:

P(X)=2x²-5x-3 is in the form ax²+bx+c

Using quadratic equation

x={-b±√(b²-4ac)}/2a

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3 years ago

A rocket is launched from atop a 65-foot cliff with an initial velocity of 113 ft/s. The height of the rocket above the ground a

OlgaM077 [116]

Answer:

7.6 seconds

Step-by-step explanation:

To solve this problem we can use the following equation:

S = So + 113*t + at^2/2

Where S is the final position, So is the inicial position, Vo is the inicial speed, a is the acceleration and t is the time.

In this problem, we have that S = 0, So = 65, Vo = 113 and a = -32 ft/s2 (The acceleration of gravity)

So we have that:

0 = 65 + 113t - 16t2

16t2 - 113t - 65 = 0

Using Bhaskara's formula, we have:

Delta = 113^2 + 4*65*16 = 16929

sqrt(Delta) = 130.11

t = (113 + 130.11) / (2*16) = 7.597 seconds

Rounding to nearest tenth, we have t = 7.6 seconds

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3 years ago

In a survey of students , every student studies at least one of the three subjects Maths English and Science . The number of stu

Mandarinka [93]

Answer:

80x2=160 20x3=60 160+60=220

Step-by-step explanation:

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3 years ago

A quadrilateral can be inscribed in a circle, if and only if, the opposite angles in that quadrilateral are supplementary.

dimaraw [331]

The opposite angles are equal to are supplementary to each other or equal to each other.

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In geometry, a quadrilateral inscribed in a circle, also known as a cyclic quadrilateral or chordal quadrilateral, is a quadrilateral with four vertices on the circumference of a circle. In a quadrilateral inscribed circle, the four sides of the quadrilateral are the chords of the circle.

The opposite angles in a cyclic quadrilateral are supplementary. i.e., the sum of the opposite angles is equal to 180˚.

If a, b, c, and d are the inscribed quadrilateral’s internal angles, then

a + b = 180˚ and c + d = 180˚

by theorem the central angle = 2 x inscribed angle.

∠COD = 2∠CBD

∠COD = 2b

∠COD = 2 ∠CAD

∠COD = 2a

∠COD + reflex ∠COD = 360°

2a + 2b = 360°

2(a + b) =360°

By dividing both sides by 2, we get

a + b = 180°.

Learn more about this concept here:

brainly.com/question/16611641

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2 years ago

The sum of three consecutive integers is 33. Find the numbers.

Rufina [12.5K]

Answer:

Step-by-step explanation:

x+x+1+x+2=33

3x+3=33

3x=30

x=10

so x+1 =11

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3 years ago