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Goryan [66]
3 years ago
10

The rectangles shown below are similar.

Mathematics
2 answers:
Zolol [24]3 years ago
5 0

Answer:

The scale factor is 2.5

goldfiish [28.3K]3 years ago
3 0
The scale factor of the rectangle is 2.5. This is because 10 is 2.5x larger than 4. This means that shape EFGH is 2.5x bigger than ABCD.
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Jane cycles 27km at 12km/h how long does she take ??? Plsss helppppppppp
seropon [69]
My guess is 30 mins sorry if wrong hope this helps
5 0
3 years ago
Complete the square to rewrite the following equation. Identify the center and radius of the circle. You must show all work and
Sliva [168]

Answer:

( x+1)^2  + (y+2)^2 = 25

The center is (-1, -2) and the radius is 5

Step-by-step explanation:

x^2 + 2x + y^2 + 4y = 20

Complete the square

2/2 =1  1^2 =1  so add 1 for x     4/2 =2  2^2 = 4 so add 4 for y

x^2 +2x +1   +y^2 +4y+4 = 20 +1 +4

( x+1)^2  + (y+2)^2 = 25

(x+1) ^2 + (y+2)^2 = 5^2

(x - -1) ^2 + (y -  -2)^2 = 5^2

This is in (x-h)^2 + (y-k)^2 = r^2 form where (h,k) is the center and r is the radius

The center is (-1, -2) and the radius is 5

4 0
3 years ago
Which is a counterexample of the following conjecture: "If two angles are supplementary, they have the same measure?"
Marrrta [24]

Answer:i dont know but i think its D.

Step-by-step explanation:

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4 0
3 years ago
A particle moves on a straight line and has acceleration a(t)=24t+2. Its position at time t=0 is s(0)=3 and its velocity at time
user100 [1]

Answer:

It's position at time t = 5 is 593.

Step-by-step explanation:

The velocity v(t) is the integral of the acceleration a(t)

The position s(t) is the integral of the velocity v(t)

We have that:

The acceleration is:

a(t) = 24t + 2

Velocity:

v(t) = \int {a(t)} \, dt = \int {24t + 2} \, dt = 12t^{2} + 2t + K

K is the initial velocity, that is v(0). Since V(0) = 13, K = 13

Then

v(t) = 12t^{2} + 2t + 13

Position:

s(t) = \int {s(t)} \, dt = \int {12t^{2} + 2t + 13} \, dt = 4t^{3} + t^{2} + 13t + K

Since s(0) = 3

s(t) = 4t^{3} + t^{2} + 13t + 3

What is its position at time t=5?

This is s(5).

s(t) = 4t^{3} + t^{2} + 13t + 3

s(5) = 4*5^{3} + 5^{2} + 13*5 + 3

s(5) = 593

It's position at time t = 5 is 593.

3 0
3 years ago
**GIVING OUT BRAINLIEST PLS HELP**<br> Which inequality represents the graph below?
BartSMP [9]

Answer:

r≥2.5

it can't be < because the green dot is filled in

r is larger than 2.5 because the arrow goes to the right

7 0
3 years ago
Read 2 more answers
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