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3 years ago

Why are species in the same family closer than species in the same class

1 answer:

5 0

They have the most physical traits similar to each other which is why they are in a family. the class only makes them similar through how they function.

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What is the slope of the line defined by the equation 2x + 3y = 18?

madreJ [45]

The slope of the line would be -2/3x but the answer to the equation is y= 6-2/3x

4 0

3 years ago

Read 2 more answers

I have $5$ different mathematics textbooks and $4$ different psychology textbooks. In how many ways can I place the $9$ textbook

leonid [27]

Answer:

What

Step-by-step explanation:

You can’t have more than 2 combinations with £9

6 0

3 years ago

the factors of the following polynomial are given below.choose the right factors that correspond to each given polynomial and wr

seraphim [82]

$\\ \ast\rm\longmapsto (x-9)(x+9)$

$\\ \ast\rm\longmapsto x^2-9^2$

$\\ \ast\rm\longmapsto x^2-81$

$\\ \ast\rm\longmapsto (2x-7)(2x+7)$

$\\ \ast\rm\longmapsto 2x^2-7^2$

$\\ \ast\rm\longmapsto 4x^2-49$

$\\ \ast\rm\longmapsto (4x-9y)(4x+9y)$

$\\ \ast\rm\longmapsto 4x^2-9y^2$

$\\ \ast\rm\longmapsto 16x^2-81y^2$

$\\ \ast\rm\longmapsto (5x-1)(5x+1)$

$\\ \ast\rm\longmapsto 5x^2-1^2$

$\\ \ast\rm\longmapsto 25x^2-1$

$\\ \ast\rm\longmapsto (9x-20y^2)(9x+20y^2)$

$\\ \ast\rm\longmapsto 9x^2-(20y^2)^2$

$\\ \ast\rm\longmapsto 81x^2-400y^2$

6 0

3 years ago

I need help solving #9 & #11! It's geometry but I'm just really stuck<br><br>

Vikentia [17]

Answer:

9)x=11 y=3

11)x=18 y=5

Step-by-step explanation:

9) 9x+25=13x+19 13x-19+17y+5=180

9x+44=13x 129+17y=180

44=4x 17y=51

11=x y=3

11) 49+3x=7x-23 3x=11y-1

7 0

3 years ago

Unit 11: volume & surface area homework 6: surface area of pyramids and cones

Natali [406]

The answer for the following part is

<h3>What is Volume?</h3>

Surface area is the amount of space covering the outside of a three-dimensional shape.

Surface Area of Cone,

= πrl + πr²

=3.14*8*15.77 + 3.14* 8*8

= 597.61804 mm²

Surface Area of triangular pyramid,

= apothem * slant height * length

= 73.6 m²

Surface Area pentagonal pyramid

= B + LA

= 247.75 + 5 ( 1/2*12*19.5)

= 247.75 + 5 ( 117)

= 832.75 in²

Surface area of square pyramid

= P*l /2

= 2400 ft²

Learn more about surface area here:

brainly.com/question/15643964

#SPJ1

7 0

2 years ago