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butalik [34]
3 years ago
15

Please help please please

Mathematics
1 answer:
Viefleur [7K]3 years ago
6 0
Dilation with a scale factor of 2.5

4 • 2.5 = 10, 5 • 2.5 = 12, etc.
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HELP GIVEING BRAINLIST What is the solution set of -11 > 1 + a?
Alja [10]

Answer:

the solution set is -11 > 1 + a?

a > -10

a -12

a < -10

3 0
3 years ago
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Can you guys help me with the second one please :( . <br> I’ll mark you as a brainliest
Dennis_Churaev [7]

Answer:

x=30° y=150°

Step-by-step explanation:

The inside angles of a triangle always add up to 180. So 65+85+x=180. x would equal 30. Next a line is always 180 degrees. So to two angles on the line must total to 180 degrees. We know x is 30 degrees, so y is the remaining angle. 30 + y = 180. y is 150.

7 0
3 years ago
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Complete the table given below.<br><br>PICTURE BELOWWW
igor_vitrenko [27]

Answer:

  see the attached table

Step-by-step explanation:

We assume the formula of interest is ...

  residual = (initial amount)(1 -k)^t . . . . . . assuming k is a positive number

Where T is the half-life, this formula can also be expressed as ...

  residual = (initial amount)(1/2)^(t/T)

Then the relationship between k and T is ...

  (1 -k)^t = (1/2)^(t/T)

or ...

  1 -k = (1/2)^(1/T)

This lets us write k in terms of T as ...

  k = 1 -(1/2)^(1/T)

and it lets us write T in terms of k as ...

  log(1-k) = (1/T)log(1/2)

  T = log(1/2)/log(1-k)

__

The attached spreadsheet table implements these formulas to compute T from k and vice versa. Formatting is in % and to four decimal places as required by the problem statement.

8 0
4 years ago
A circle has a radius of 6 cm. Find its exact circumference.
lozanna [386]

The radius of circle is r = 6 cm.

The formula for the circumference of circle is,

C=2\pi r

For exact circumference take pi = 3.14.

Substitute 6 for r in the formula to determine the circumference of circle.

\begin{gathered} C=2\pi\cdot6 \\ =12\pi \\ =37.68 \end{gathered}

So exact circumference of circle is 37.68 or 12 pi .

8 0
1 year ago
The endpoint of MP are M(2,1) and P(14,10). If point K partitions MP in aratio of MK:KP=3:2, what are the coordinates of K?
Paha777 [63]

2(2,1)(14,10)

(4,2) - (14,10)= (-10, -8)

The coordinates of K are (-10, -8).

4 0
4 years ago
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