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3 years ago

5x2 = 16x +rewrite the equation in factored form

Mathematics

1 answer:

Paraphin [41]3 years ago

4 0

Answer = 16/5 or x(1)=0

X •(5x-16)=0
X=0 and 5x-16=0
5x-16=0 then solves into 16/5 (fraction form or 3.2 decimal)

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Jake tosses a coin up in the air and lets it fall on the ground. The equation that

Phoenix [80]

Answer:

$t = 1.71825$

Step-by-step explanation:

Given

$h(t) = -16t^2 + 24t + 6$

Required

When will the coin hit the ground

When the coin hits the ground, $h(t) = 0$

The expression $h(t) = -16t^2 + 24t + 6$ becomes

$0 = -16t^2 + 24t + 6$

Multiply through by -1

$16t^2 - 24t - 6 = 0$

Solve using quadratic formula

$t = \frac{-b\±\sqrt{b^2 - 4ac}}{2a}$

Where

$a = 16$

$b = -24$

$c = -6$

$t = \frac{-b\±\sqrt{b^2 - 4ac}}{2a}$

$t = \frac{-(-24)\±\sqrt{(-24)^2 - 4 *16 * -6}}{2 * 16}$

$t = \frac{24\±\sqrt{576 +384}}{32}$

$t = \frac{24\±\sqrt{960}}{32}$

$t = \frac{24\±30.984}{32}$

Split

$t = \frac{24+30.984}{32}$ or $t = \frac{24-30.984}{32}$

$t = \frac{54.984}{32}$ or $t = \frac{-6.984}{32}$

$t = 1.71825$ or $t = -0.21825$

But time can't be negative;

So:

<em>Time to hit the ground is 1.71825 seconds</em>

7 0

4 years ago

Eric found that about 62% of 80 classmates at school like hip-hop music. However, 70%of his 60 relatives like hip-hop. Do more c

tankabanditka [31]

Relatives have more than classmates

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3 years ago

Read 2 more answers

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Nastasia [14]

Answer:

range is 15

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range =6-(-9)

range=15

B)and4

c)4

IQR=Q3-Q1

IQR=4.5-0.5

IQR=4

i think it help you

3 0

3 years ago

Read 2 more answers

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Goshia [24]

Answer:

the answer is C

Step-by-step explanation:

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4 years ago

The volume of a cube is 512 cm3 . What is the area, in square centimetres, of each side of the cube?

lesantik [10]

Answer:

Step-by-step explanation:

V of a cube is s^3

V = 512

s = cube root of (V)

s = cube root of 512 cm^3

s = 8

The area of one face of the cube is s^2

s = 8

Area 1 face = 8^2

Area of 1 face = 64 cm^2

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2 years ago