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Elza [17]
2 years ago
6

4a^6•7b^3•3/4a^5 Please solve

Mathematics
2 answers:
Brrunno [24]2 years ago
8 0

Answer:

21b³a

Step-by-step explanation:

4a² ▪ 7b³ ▪ 3/4a⁵

= 28a²b³ ▪ 3/4a⁵

= 21b³a

yulyashka [42]2 years ago
7 0

Answer:

21a^11b^3

Step-by-step explanation:

let me know if this is right

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B) 2(x-3) + X = 5x-2(x+5)
aleksandrvk [35]

Answer:

X=x−4

Step-by-step explanation:

2(x−3)+X=5x−2(x+5)

Use the distributive property to multiply 2 by x−3.

2x−6+X=5x−2(x+5)

Use the distributive property to multiply −2 by x+5.

2x−6+X=5x−2x−10

Combine 5x and −2x to get 3x.

2x−6+X=3x−10

Subtract 2x from both sides.

−6+X=3x−10−2x

Combine 3x and −2x to get x.

−6+X=x−10

Add 6 to both sides.

X=x−10+6

Add −10 and 6 to get −4.

X=x−4

4 0
3 years ago
PLEASE HELP
xenn [34]

Answer:

perimeter is  4 sqrt(29) + 4pi  cm

area is 40 + 8pi cm^2

Step-by-step explanation:

We have a semicircle and a triangle

First the semicircle with diameter 8

A = 1/2 pi r^2 for a semicircle

r = d/2 = 8/2 =4

A = 1/2 pi ( 4)^2

  =1/2 pi *16

  = 8pi

Now the triangle with base 8 and height 10

A = 1/2 bh

  =1/2 8*10

  = 40

Add the areas together

A = 40 + 8pi cm^2

Now the perimeter

We have 1/2 of the circumference

1/2 C =1/2 pi *d

         = 1/2 pi 8

        = 4pi

Now we need to find the length of the hypotenuse of the right triangles

using the pythagorean theorem

a^2+b^2 = c^2

The base is 4 ( 1/2 of the diameter) and the height is 10

4^2 + 10 ^2 = c^2

16 + 100 = c^2

116 = c^2

sqrt(116) = c

2 sqrt(29) = c

Each hypotenuse is the same so we have

hypotenuse + hypotenuse + 1/2 circumference

2 sqrt(29) + 2 sqrt(29) + 4 pi

4 sqrt(29) + 4pi  cm

3 0
3 years ago
Read 2 more answers
Mathswatch? Help <br><br> Angles and parallel lines
GrogVix [38]
The answer is

a) x° = 80

reasons) the reason is a line is 180°
the angle 100°
that would leave you 80° to make a straight line

i hope this helped :)
3 0
3 years ago
On Wednesday, Danielle skated 2/3 of the way around the track in 2 minutes. Her younger brother skated 3/4 of Danielle's distanc
katen-ka-za [31]
75 percent of 2/3

Is 0.5 of the way
4 0
3 years ago
A test has 10 true/false questions. How many different tests can be turned in to the teacher?
Flauer [41]
The same as the greatest number that can be written
with 10 binary bits:  <u>1,024</u>
3 0
2 years ago
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