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butalik [34]
3 years ago
11

6/7 divided by ( -7/5 )

Mathematics
2 answers:
Tems11 [23]3 years ago
6 0

-30/49 would be my answer to this. hope this helps!

ivolga24 [154]3 years ago
3 0

the full answer is...    0.02448979591836734693877551020408

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twice the sum of a number and 2 is equal to three times the difference of the number and 3. Find the number
Lana71 [14]
2(x+2)=3(x-3)
2x+4=3x-9
2x=3x-13
-x=-13
x=13

The number is 13
3 0
3 years ago
As – 16a,<br> as – 4a3,<br> 2a3 + 8a - 4a2 - 16
vfiekz [6]

Answer:

1) as-16a

taknig a as common

=a(s-16)

2)as-4a³

taking a as common

=a(s-4a²)

3)2a³+8a-4a²-16

taking common terms

=2a(a²+4)-4(a²+4)

=(2a-4)(a²+4)

again taking common

=2(a-2)(a²+4)

i hope this will help you :)

7 0
3 years ago
Two similar circles are shown. The circumference of the larger circle, with radius OB, is 3 times the circumference of the small
zheka24 [161]

Answer:

The circumference of the smaller circle is:

C =  2*pi*x/3

Step-by-step explanation:

We know that for a circle of radius R the circumference is given by:

C = 2*pi*R

where pi = 3.14...

Here we have two circles, A and B, where B is the larger circle and A is the smaller circle.

We know that:

The circumference of B is 3 times the circumference of A.

The radius of circle B is: OB = x

The radius of circle A is: OA

We want to find an expression of OA.

The circumference of circle B will be:

C(B) = 2*pi*OB = 2*pi*x

The circumference of circle A will be:

C(A) = 2*pi*OA

And we know that the circumference of circle B is 3 times the circumference of circle A, then:

C(B) = 3*C(A)

replacing the equations for the circumferences, we get:

2*pi*x = 3*(2*pi*OA)

dividing both sides by 2*pi, we get:

x = 3*OA

Now we want to solve this for OA, then we need to isolate it,

x/3 = OA

We can conclude that the radius of the smaller circle is equal to x/3.

Then the circumference of circle A is:

C(A) = 2*pi*x/3

5 0
2 years ago
What number has the same value as 28 tens
Digiron [165]
You would multiply 28 times 10 which equals 2,800
4 0
3 years ago
Read 2 more answers
I have no idea how to solve this
LiRa [457]

Answer:

X = 8

Step-by-step explanation:

Since the shape is a parallelogram the opposite sides are equal

The equation is:

  • 6 = 2x -10

Solve:

  • 6 + 10 = 2x -10 + 10
  • 16 = 2x
  • 2x = 16
  • Divide by 2 on both sides
  • <u>x = 8</u>

Check:

  • 2(8) - 10 = 6
  • 16 - 10 = 6
  • 6 = 6
  • CD = BE
  • 6 = 6
3 0
3 years ago
Read 2 more answers
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