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Mashcka [7]
4 years ago
12

Assume that random guesses are made for 4 ​multiple-choice questions on a test with 2 choices for each​ question, so that there

are n=4 ​trials, each with probability of success​ (correct) given by p=0.50. Find the probability of no correct answers.
Mathematics
1 answer:
Stella [2.4K]4 years ago
7 0

Answer:

1/2

Step-by-step explanation:

number wrong/number right

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Mike's car broke down 5 miles from the auto shop. If he can push his car 1,056 feet per hour, how many hours will it take him to
Alinara [238K]

Answer:

It'll take 25 hours to get to the auto shop

Step-by-step explanation:

Given

Distance = 5 miles

Speed =1056 feet per hour

Required

How long will it take to the auto shop

This can be solved using Speed's formula;

Speed = \frac{Distance}{Time}

Substitute values for Speed and Distance

\frac{1056 ft}{hr} = \frac{5 miles}{Time}

1 mile = 5280 feet;

So:

\frac{1056 ft}{hr} = \frac{5 * 5280 ft}{Time}

\frac{1056 ft}{hr} = \frac{26400ft}{Time}

Cross Multiply

Time * 1056ft = 26400ft * hr

Divide both sides by 1056ft

Time * \frac{1056ft}{1056ft} = \frac{26400ft * hr}{1056ft}

Time = \frac{26400ft * hr}{1056ft}

Time = 25hr

<em>Hence, it'll take 25 hours to get to the auto shop</em>

3 0
4 years ago
PLZZZZZZZZZZZZZZZZZZZZZZZZZZZZZ HELPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPp
kherson [118]

1. is just 6

2.3/13

3.325/28=11.607

5.16oz i think

3 0
4 years ago
Logarithms and exponentials are?
Aneli [31]

Answer:

Logarithms are the "opposite" of exponentials, just as subtraction is the opposite of addition and division is the opposite of multiplication. Logs "undo" exponentials. Technically speaking, logs are the inverses of exponentials. On the left-hand side above is the exponential statement "y = bx

Step-by-step explanation:

3 0
3 years ago
Step 1 - Identify formulas we will use to prove the properties of the polygons we’re working with and the kind of answer we expe
AysviL [449]

Solution:

(1) Midpoint:

A point in the middle of the line segment that divides it into two equal parts.

Mid point formula:

$\left(\frac{x_{1}+x_{2}}{2}, \frac{y_{1}+y_{2}}{2}\right)

Middle of a segment; in the form of a coordinate plane.

(2) Slope:

To find the slope of the line when passing through two points.

Slope formula:

$\frac{y_1-y_2}{x_1-x_2}

(3) Distance:

To find the distance of two points.

Distance formula:

\sqrt{(x_1-x_2)^2+(y_1-y_2)^2}

4 0
4 years ago
To prepare for his mountain biking trip, Rhyan bought four tire patches. Rhyan paid using a gift card that had $22. 20 on it. Af
AleksandrR [38]

The equations could you use to find the price of one tire patch is 4x + 1.9 = 22.2.

The price of one patch is $5.075.

Given

To prepare for his mountain biking trip, Rhyan bought four tire patches.

Rhyan paid using a gift card that had $22. 20 on it.

After the sale, Rhyan’s gift card had $1. 90 remaining.

<h3>What is the equation?</h3>

An equation says that two things are equal.

Let, the price of one tire patch be x.

The equations could you use to find the price of one tire patch is;

\rm = \text{Total number of patches} \times Price \ of \ one \ patch + Remaining \ gift card= Total \ paid \ amount\\\\4x + 1.9 = 22.2\\\\4x=22.2-1.9\\\\4x=20.3\\\\x=\dfrac{20.3}{4}\\\\x=5.075

Hence, the price of one patch is $5.075.

To know more about the equation click the link given below.

brainly.com/question/12895249

3 0
3 years ago
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