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3 years ago

Which statements are true about the fully simplified product of (b-2c)(-3b+c? Select two options.

Mathematics

2 answers:

SSSSS [86.1K]3 years ago

5 0

Answer:

C) The simplified product has a degree of 2.

F) The simplified product, in standard form, has exactly 2 negative terms.

Step-by-step explanation:

jolli1 [7]3 years ago

5 0

Answer:

d) the simplified product has a degree of 4.

e) the simplified product, in standard form, has exactly 2 negative terms.

Step-by-step explanation:

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The difference of twenty-one and eight times a number n is thiry-five

nalin [4]

Answer:

n=7

Step-by-step explanation:

difference means subtraction so:

8n - 21= 35

8n=35+21

8n= 56

n= 56÷8

n=7

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2 years ago

Product of (x+y+2)(y+1)

andre [41]

Answer: x ( y + 1) + y ( y + 3) + 2

Step-by-step explanation:

( x + y + 2) ( y + 1)

x ( y + 1) + y ( y + 1) + 2 ( y + 1)

expanding the bracket

( xy + x) + ( y2 + y) + ( 2y + 2)

removing the bracket

xy + x + y2 +y + 2y + 2

collecting like terms

xy + x + y2 + 3y + 2

given as: x(y + 1) + y ( y + 3) + 2

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3 years ago

What is 278 minus 149

Basile [38]

Answer:

129

Step-by-step explanation:

278 - 149 = 129

5 0

3 years ago

Read 2 more answers

please help. answer is 62.1m(squared) and the objects are composite! please show the work, no matter what i do i cant seem to ge

yuradex [85]

Answer:

$SA=62.1\ m^2$

Step-by-step explanation:

step 1

Find the surface area of the smaller rectangular prism

$SA=2B+Ph$

where

B is the area of the base

P is the perimeter of the base

h is the height of the prism

$SA=2[(2.5)(1.5)]+2(2.5+1.5)(1.5)$

$SA=7.5+12=19.5\ m^2$

step 2

Find the surface area of the cube

$SA=6s^2$

where

s is the length side of the cube

$SA=6(2.5^2)=37.5\ m^2$

step 3

Find the lateral area of the cylinder

$LA=\pi DL$

where

D is the diameter of the base

L is the length of cylinder

$LA=(3.14)(0.5)(3.5)=5.495\ m^2$

step 4

Find the area of the base of cylinder

$A=\pi r^{2}$

we have

$r=0.5/2=0.25\ m$ ----> the radius is half the diameter

$A=(3.14)(0.25)^{2}=0.19625\ m^2$

step 5

Find the surface are of the composite figure

we know that

The surface area of the composite figure is equal to the surface area of the smaller rectangular prism plus the lateral area of the cylinder, plus the surface area of the cube, minus the area of the two bases of cylinder

$SA=19.5+5.495+37.5-2(0.19625)=62.1\ m^2$

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3 years ago

The diagram below shows a square inside a regular octagon. The apothem of the octagon is 13.28 units. To the nearest square unit

Elena-2011 [213]

I hope this helps you

8 0

3 years ago

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