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Afina-wow [57]
3 years ago
9

_ +18=5+41 What is the equation to finding the missing number

Mathematics
2 answers:
Ray Of Light [21]3 years ago
8 0

Answer:

28

Step-by-step explanation:

5+41= 46, so now subtract 46 to 18 and you get 28

To check 18+28=46 and  5+41=46

-BARSIC- [3]3 years ago
5 0

Answer:

Equação básica de segundo grau

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WINSTONCH [101]

Answer:

A

Step-by-step explanation:

8 0
4 years ago
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PLEASE THIS IS URGENT!!!
sineoko [7]

Answer:

A

Step-by-step explanation:

Given the 2 equations

y = x² → (1)

2y + 6 = 2(x + 3) ← distribute

2y + 6 = 2x + 6 ( subtract 6 from both sides )

2y = 2x ( divide both sides by 2 )

y = x → (2)

Substitute y = x² into (2)

x² = x ( subtract x from both sides )

x² - x = 0 ← in standard form

x(x - 1) = 0 ← in factored form

Equate each factor to zero and solve for x

x = 0 or x - 1 = 0 ⇒ x = 1

x > 0 ⇒ x = 1

From (2), x = 1 ⇒ y = 1

and xy = 1 × 1 = 1 → A

4 0
3 years ago
Freddie is at chess practice waiting on his opponent's next move. He notices that the 4-inch-long minute hand is rotating around
ale4655 [162]

Answer:

Part 1: \frac{2\pi}{3} radians

Part 2: The minute hand travels \frac{8\pi}{3} inches.

Part 3: The minute hand travels \frac{3\pi}{4} radians.

Part 4: The coordinate point is  (-\frac{\sqrt{2}}{2},\frac{\sqrt{2}}{2})


Step-by-step explanation:


<u>Part 1:</u>

There are 60 minutes in an hour. 1 hour is 1 revolution (1 circle), which is 360°.

So each minute represents  \frac{360}{60}=6 degrees

From 3:35 to 3:55 is 20 minutes. Hence, 20 minutes is 6*20=120 degrees.


<u><em>To convert from degrees to radians, we multiply the degrees by \frac{\pi}{180}</em></u>

120° is equal to  120*\frac{\pi}{180}=\frac{2\pi}{3} radians


<u>Part 2:</u>

We want to find the "arc length" of this.

Formula for arc length is  s=r\theta

Where,

  • s is the arc length
  • r is the radius (here the minute hand was given as 4 inches)
  • \theta is the angle in radians (we found it to be \frac{2\pi}{3})

So, s=r\theta\\s=(4)(\frac{2\pi }{3})=\frac{8\pi}{3}

The minute hand travels \frac{8\pi}{3} inches.


<u>Part 3:</u>

Here we use the arc length formula where we want to find \theta given that s=3\pi and radius is 4 inches. So we have:

s=r\theta\\3\pi=(4)(\theta)\\\theta=\frac{3\pi}{4}

The minute hand travels \frac{3\pi}{4} radians.


<u>Part 4:</u>

The coordinate point associated with a specif radian is given by the formula:

(x,y)=(cos(\theta)sin(\theta))\\(x,y)=(cos(\frac{3\pi}{4})sin(\frac{3\pi}{4}))\\(x,y)=(-\frac{\sqrt{2}}{2},\frac{\sqrt{2}}{2})

Thus the coordinate point is  (-\frac{\sqrt{2}}{2},\frac{\sqrt{2}}{2})

3 0
3 years ago
Read 2 more answers
Am I correct?<br> will mark brainliest
jeka94

Answer:

Rhombus

Step-by-step explanation:

Mark as Brainllest

8 0
3 years ago
The owners of a manufacturing company conducted a survey to determine the mean income of the customers who prefer the company’s
valentina_108 [34]

The entire population mean must be close to $47,600. Then the correct option is C.

<h3>What is Mean?</h3>

The mean is the simple definition of the average of a bunch of numbers. In statistics, one of the markers of central tendency is the mean.

The average is referred to as the arithmetic mean.

It's the ratio of the number of real observations to the total number of observations.

The owners of a manufacturing company conducted a survey to determine the mean income of the customers who prefer the company’s brand of clothing.

From a random sample of 100 customers, it was determined that their mean income was $47,600.

Based on statistical analysis, the entire population mean must be close to $47,600.

More about the mean link is given below.

brainly.com/question/521501

#SPJ2

6 0
2 years ago
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