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BabaBlast [244]
3 years ago
11

Bryce read 15 books last year. this year he read 21. what was the percent increase?

Mathematics
1 answer:
tangare [24]3 years ago
5 0

Answer:

40

Step-by-step explanation:

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What is the value of z? ( please help)
maxonik [38]

Answer:

z = 1

Step-by-step explanation:

See the diagram of the triangle attached to this question.

We know the property of angles of a triangle as if we sum any two interior angles then we will get the opposite exterior angle.

Hence,  

42z + 37 = 40z + (26z + 13)

⇒ 42z + 37 = 66z + 13

⇒ 37 - 13 = 66z - 42z

⇒ 24 = 24z

⇒ z = 1 (Answer)

7 0
3 years ago
Determine the center and radius of the following circle equation: x^2+y^2-8x+6y-75=0 x 2 +y 2 −8x+6y−75=0 Center: \big(( , \big)
Reptile [31]

Answer:

Compare x^2 +y^2-8x-6y=75 with the general circle equation x^2+y^2 -2ax-2by+c=0

-2a =-8 And -2b=-6

a=4 b=3

c=-75

To find the radius use the equation

r^2=a^2+b^2-c

r^2=4^2+ 3^2-(-75)

r^2=25+75=100

r=10(radius is always positive)

Hence the center is (4,3) and radius 10

Step-by-step explanation:

6 0
2 years ago
The volume of an oblique pyramid with a square base is V units3 and the height is h units.
TiliK225 [7]
The volume of a quadrangular base pyramid is:
 V = (1/3) * (Ab) * (h)
 Where,
 Ab: base area
 h: height
 Clearing the area of the base we have:
 Ab = (3 * V) / (h)
 Answer:
 
An expression that represents the area of the base of the pyramid is:
 
A) 3v / h units
8 0
2 years ago
Read 2 more answers
Put these numbers in order of size, smallest to largest 4.5,-1,-3,-3.5,3
kykrilka [37]

Answer:

-3.5, -3, -1, 3, 4.5

Step-by-step explanation:

5 0
2 years ago
Read 2 more answers
What is the area of the following polygon?
muminat

The area of the polygon is 25.5 square units

<h3>How to determine the area of the polygon?</h3>

From the figure, we have the following coordinates

A = (-2, 1)

B = (3, 2)

C = (5, -3)

D = (-1, -3)

The area of the polygon is then calculated as:

A = 0.5 * |(x1y2 - x2y1) + (x2y3 - x3y2) + (x3y4 - x4y3) + (x4y1 - x1y4)|

Substitute the known values in the above equation

Area = 0.5 * |(-2 * 2 - 3 * 1) + (3 * -3  - 5 * 2) + (5 * -3  + 1 * -3) + (-1 * 1 + 2 * -3)|

Evaluate the sum of products

Area = 0.5 * |-51|

Remove the absolute bracket

Area = 0.5 * 51

Evaluate the product

Area = 25.5

Hence, the area of the polygon is 25.5 square units

Read more about areas at:

brainly.com/question/25292087

#SPJ1

6 0
1 year ago
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