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3 years ago

14

Its due today please help

2 answers:

Alborosie3 years ago

8 0

Answer:

5

Step-by-step explanation:

Snezhnost [94]3 years ago

6 0

Answer:

$\boxed{0.76} \: is \: correct.$

Step-by-step explanation:

$let \: the \: unknown \: ounce \: be \to \: u_{kn}\\ if \: 1 \: ounce \: is = 23.8 \: grams \\ then \to \: u_{kn} = \frac{18 \: grams \times 1 \: ounce}{23.8 \: grams } \\ u_{kn} = \frac{18}{23.8} (1 \: ounce \:) = 0.756302521 \times 1 \: ounce \\ \boxed{u_{kn} = 0.756302521 \: ounce }$

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Jane Marko buys a car for $43,900.00. In three years, the car depreciates 48% in value. How much is the car worth in three years

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3 years ago

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Simplify this expression: 2(-4x + 6)

Yuri [45]

Answer:

-8x + 12

General Formulas and Concepts:

<u>Pre-Algebra</u>

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Step-by-step explanation:

<u>Step 1: Define expression</u>

2(-4x + 6)

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For every $10 glen earns is parents require him to save $2. What percent of his money does he get to spend

cricket20 [7]

80%

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9 0

4 years ago

A quality control inspector has drawn a sample of 10 light bulbs from a recent production lot. Suppose 20% of the bulbs in the l

Neko [114]

Answer:

The probability is 0.0008.

Step-by-step explanation:

Let X represents the event of defective bulb,

Given, the probability of defective bulb, p = 20 % = 0.2,

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The number of bulbs drawn, n = 10,

Since, binomial distribution formula,

$P(x=r) = ^nC_r p^r q^{n-r}$

Where, $^nC_r = \frac{n!}{r!(n-r)!}$

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6 0

3 years ago

Please give a good explanation and show your work as well

Vadim26 [7]

Answer:

A) down

B) x intercept (5, 0)

y intercept (0, 80)

C) 144 ft

Step-by-step explanation:

y = Ax² + Bx + C

y = -16x² + 64x + 80

A)

Parabola opens down because A is negative

B)

x intercept (5, 0)

x = (-64 ±√(64² - 4(-16)(80))) / (2(-16))

x = -1 which means if the profile is continuous, the balloon launched one hour ago.

or

x = 5 which means the balloon will be on the ground in 5 hours.

(assuming level ground or no wind at all.

y intercept

y = -16(0)² + 64(0) + 80

y = 80 ft

meaning the balloon is already 80 feet above the ground when we start looking at t = 0

C)

Maximum altitude will occur when the vertical velocity is zero. Velocity is the derivative of position.

x' = -32x + 64

0 = -32x + 64

32x = 64

x = 2 hrs

y = -16(2)² + 64(2) + 80

y = 144 ft

4 0

3 years ago