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2 years ago

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CaHeK987 [17]2 years ago

4 0

The probability the next customer pays using a debit card based on the last three weeks is 30% or 0.3.

<h3>What is a probability?</h3>

This is the chance or likelood for an event to occur. For example, if in a city it has snowed every year on December 25th, there is a high probability it will snow this year and in the next years.

<h3>How to calcuate the probability?</h3>

Total of a specific outcome/ total of outcomes

Based on this, let's calculate the probability the next customer pays using the debit card:

Total that pay with debit card: 21 customers
Total of customers: 70 customers
21/ 70 =0.3 or 30%

Learn more about probability in: brainly.com/question/11234923

#SPJ1

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If x^2=20 what is the value of x will give brainliest for answer

Schach [20]

Answer:

x² - 20 = 0

Using the quadratic formula

$x = \frac{ - b± \sqrt{( {b})^{2} - 4ac } }{2a}$

a = 1 b = 0 c = -20

So we have

$x = \frac{ - 0 ± \sqrt{ {0}^{2} - 4(1)( -20)} }{2(1)} \\ \\ x = \frac{± \sqrt{80} }{2} \\ \\ x = \frac{±4 \sqrt{5} }{2} \\ \\ \\ x = ±2 \sqrt{5} \\ \\ \\ x = 2 \sqrt{5} \: \: \: or \: \: \: x = - 2 \sqrt{5}$

Hope this helps you.

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2 years ago

Will give brainliest!!

PtichkaEL [24]

The answer is C

The original spot for A is (2,-4)
Multiply it my the decimal form 3/4
.75*2=3/2
.75*-4=-3

Hope this helps!

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3 years ago

Determine the measure of each numbered angle. Show work, provide a brief explanation.

monitta

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2 years ago

Help me PLease<br><br><br><br> also explain how to do it

Lady bird [3.3K]

❥ $\Large\pmb{ \underline {\tt Answer}}$

So we can only find x if other two angles of triangle is given.

In angle B as u can see boxed shape angle is there then it probably means it's a 90° angle.

We know sum of angles of triangle = 180°

{Reson :-

There's a formula to fund sum of angles of figure

(n-2) × 180
(3 -2) × 180
1 × 180
180°

}

Now Let's proceed

$\boxed{ \rm Side_1+Side_2+Side_3 = 180\degree}$

Fill all the given values

$\dashrightarrow \tt 90 \degree + 55 \degree + c = 180 \degree$

$\\ \\$

$\dashrightarrow \tt 145\degree + c = 180 \degree$

$\\ \\$

$\dashrightarrow \tt c = 180 \degree - 145\degree$

$\\ \\$

$\dashrightarrow \tt c = 35\degree$

$\\ \\$

Value of x = 35°

~BrainlyVIP ⸙

8 0

2 years ago

What is the surface area of a cylinder that has the following measurements? area of each base: 50.24 ft2 area of lateral surface

irinina [24]

Answer:

TSA = 175.84 ft²

Step-by-step explanation:

We are given;

Lateral surface area; A_L = 75.36 ft²

Area of base; A_b = 50.24 ft²

Height of cylinder; h = 3ft

Formula for total surface area of Cylinder is;

TSA = 2πr² + 2πrh

Now, lateral surface area is given by the formula; A_L = 2πrh

Area of base is given by the formula;

A_b = πr²

Thus, let's apply these 2 formulas to the formula for total surface area;

TSA = 2(Area of base) + Lateral surface area

TSA = (2 * 50.24) + 75.36

TSA = 175.84 ft²

3 0

3 years ago