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wlad13 [49]
3 years ago
13

A rectangle is dilated by a factor of 1/5. The area of the new rectangle is 4 square yards . What could be the dismension of the

original rectangle
Mathematics
1 answer:
katrin [286]3 years ago
4 0
 20 square yards is the answer
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Distances in space are measured in light-years. The distance from Earth to a star is 6.8 × 1013 kilometers. What is the distance
aalyn [17]
6.8 x 10^13 = 68,000,000,000,000
9.46 x10 ^12 = 9,460,000,000,000

6.8 x 10^13  *  1 light year / 9.46 x 10^12 = 7.188 light years.


3 0
3 years ago
Please help me!!!!!
chubhunter [2.5K]

Answer:

y = - \frac{2}{5} (x - 5)² + 7

Step-by-step explanation:

The equation of a quadratic in vertex form is

y = a(x - h)² + k

where (h, k ) are the coordinates of the vertex and a is a multiplier

Here (h, k ) = (5, 7 ) , then

y = a(x - 5)² + 7

To find a substitute (10, - 3 ) into the equation

- 3 = a(10 - 5)² + 7 ( subtract 7 from both sides )

- 10 = 5²a = 25a ( divide both sides by 25 )

\frac{-10}{25} = a , that is

a = - \frac{2}{5}

y = - \frac{2}{5} (x - 5)² + 7 ← in vertex form

8 0
2 years ago
The LMC of 9 and 7​
rodikova [14]

Answer:

63

Step-by-step explanation:

7 0
3 years ago
Which expression can be used to find the area of triangle RTS?
lina2011 [118]

answer is 13 but I can't understand the question

I think there is no correct answer in this question!

you can solve this by analytic geometry rules easily!!

3 0
2 years ago
What is the value of the expression below when y = 5?
muminat

Answer:

56

Step-by-step explanation:

10y+6

10(5)+6

10*5=50

50+6=56

3 0
2 years ago
Read 2 more answers
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