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nika2105 [10]
3 years ago
8

True or false?

Mathematics
1 answer:
Firdavs [7]3 years ago
8 0

Answer:

b

Step-by-step explanation:

brainliest pls

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Riley invested $5,100 in an account paying an interest rate of 7\tfrac{3}{4}7 4 3 ​ % compounded quarterly. Ryan invested $5,100
erik [133]

Answer: 257

257 in delta math

Step-by-step explanation:

5 0
3 years ago
Find the value of the linear correlation coefficient R. The paired data below consists of the costs of advertising (in thousands
Lisa [10]

Answer:

0.708

Step-by-step explanation:

The calculation of the value of the linear correlation coefficient R is shown below:-

Cost            Number

9                      85

2                       52

3                       55

4                       68

2                       67

5                       86

9                       83

10                     73

Value of linear correlation coefficient R is 0.70772136

or

= 0.708

For clarification look at the spreadsheet which has been attached and uses the following steps which are as follows

Step 1

To activate the data analysis option:- Go to file menu click on add-in option and choose the manage option and select Excel Add-in option click on Ok after that choose Analysis Tool Pak

Step 2

After following step 1 choose data tab and select data analysis tab and select correlation and click ok

Step 3

After selecting correlation to select the range from $A$2:$B$9 and then click OK to reach the value of linear correlation coefficient R.

4 0
3 years ago
What does the factor is 3 that both 3x and 18 have in common.
Arlecino [84]
3 goes into both 3x and 18

4 0
4 years ago
From the observation deck of a skyscraper, Madison measures a 67^{\circ} ∘ angle of depression to a ship in the harbor below. If
mrs_skeptik [129]

The horizontal distance from the base of the skyscraper out to the ship is 485.2 feet.

<h3>What is trigonometric ratio?</h3>

Trigonometric ratio is used to show the relationship between the sides and angles of right angled triangle.

Let d represent the horizontal distance from the base of the skyscraper out to the ship. Since the angle of depression is 67°, hence:

Angle = 90 - 67 = 23°

Using trig ratio:

tan(23) = d/1143

d = 485.2 feet

The horizontal distance from the base of the skyscraper out to the ship is 485.2 feet.

Find out more on trigonometric ratio at: brainly.com/question/24349828

5 0
2 years ago
You have a new pool and want to know it's volume. The pool is 5 feet deep and has a radius of 7 feet. About how much water can t
MrRa [10]

Answer:

769 cubic ft

Step-by-step explanation:

Its volume:

Find the volume of a cylinder of radius 7 ft and length 5 ft:

The basic formula for his volume is V = πr²h.  In this case, the volume is:

V = 3.14(7 ft)²(5 ft) = 769 cubic feet of water.

3 0
3 years ago
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