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Radda [10]
3 years ago
11

Find the radius of the circle whose circumference is 22cm​

Mathematics
2 answers:
adoni [48]3 years ago
7 0

Answer:

3.5

Step-by-step explanation:

nignag [31]3 years ago
6 0

Answer:

I think its 3.5 I not sure?

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Please help on number 3
kobusy [5.1K]

Answer:

Its the first option.

Step-by-step explanation:

3x + y = 5

5x - 4y = -3

From equation 1:

y = - 3x + 5

Substituting for y:

5x - 4(-3x + 5) = -3

5 0
3 years ago
the length of a rectangle is 5 units longer than its width. If the perimeter must be at least 34 units, what are the possible le
ololo11 [35]

Answer:

w ≥ 6

l ≥ 11

Step-by-step explanation:

The perimeter of a rectangle is equal to P = 2l+2w where l=length and w=width. Here the length is 5 feet longer than the width or 5+w. This means the width is w. Substitute P = 34, l=5+w and w into the perimeter equation. Then solve for w.

34 ≤ 2*(5+w) + 2w

34 ≤ 10+2w+2w

34 ≤ 10+4w

24 ≤ 4w

6 ≤ w

This means the width must be at least 6 so the solution is w ≥ 6.

To find the length substitute 6 into l ≤ 5+w.

l ≤ 5 + 6

l ≤ 11

The length is l ≥ 11.

6 0
4 years ago
Find the 8th term in the sequence: x + 1, 2x + 1, 3x + 1,...
Rasek [7]
The common difference is x

the first term is x+1

a_8 = x+1 + x(8-1) = x+1 + 7x = 8x + 1

3 0
3 years ago
Write an equivalent expression by distributing the "-−" sign outside the parentheses: -(3.4p-6q+6) −(3.4p−6q+6)
julia-pushkina [17]

Answer:

-(3.4p-6q+6) = -3.4p+6q-6

Step-by-step explanation:

Given

-(3.4p-6q+6)

Required

Simplify

-(3.4p-6q+6)

Rewrite as

-1(3.4p-6q+6)

-1 * (3.4p-6q+6)

Open the bracket

-3.4p+6q-6

7 0
3 years ago
The scale of a map says that 6 cm represents 15 km.
atroni [7]
37.5 km is equal to 15 cm
5 0
3 years ago
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