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MrRa [10]
3 years ago
10

la profesora de Matematicas ha pedido que realicen 12 ejercicios.Si raquel ha hecho 3/4 partes de los ejercicios, ¿Cuantos ha re

lizado? ¿y cuántos le faltan?
Mathematics
1 answer:
yuradex [85]3 years ago
5 0

Answer:

9.

Step-by-step explanation:

12 dividido por 4 es 3. 3 por 3 es 9

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In a race, 47 out of the 50 swimmers finished in less than 35 minutes. What percentage of the swimmers finished the race less th
Dmitry [639]

Answer:

94%

47*2=94

50*2=100

Step-by-step explanation:

6 0
3 years ago
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Which of the following sets contain all roots of the polynomial
Zarrin [17]

All these given roots are contained in option C.

The given equation is :

9x^{3}+9x^{2}-4x-4=0

9x^{2}(x+1)-4(x+1)=0

(9x^{2}-4)(x+1)=0

9x^{2}-4=0,x+1=0

x^{2}=\frac{4}{9},x=-1

x=\frac{2}{3},x=-1

Roots = -1,\frac{-2}{3} ,\frac{2}{3}

Hence these lie in between (\frac{-3}{2} ,\frac{3}{2})


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3 years ago
HELP!! WILL GIVE BRAINLIEST!!!
otez555 [7]

Answer:

David needs 7-8 short term rentals monthly to match revenue from a lease. College students need long term housing so he should lease his home.

Step-by-step explanation:

8 0
3 years ago
The perimeter of a rectangular park is 300 feet. The length of the park is 50 feet longer than the width.
bixtya [17]

Answer:

85 feet

Step-by-step explanation:

P=2L+2W where L is the length and W is the width. If the length is 50 feet longer than the width, we can write the expression L=50+W. Substituting into P=2L+2W we get P=2(50+W)+2W=100+2W+2W=100+4W. Since P=300, we can say 300=100+4W. Subtracting 100 from each side we get 200=4W. Dividing each side by 4 gives 50=W. Substituting this into L=50+W gives L=50+35=85. The length is 85 feet.

3 0
3 years ago
Can some help me with my homework it’s number 5. 6. 7. 8. And 9.
BaLLatris [955]

Answers:

5. 296

6. 479

7. 801

8. 920

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Step-by-step explanation:

For 5-8, you add the 2 numbers. Line up the numbers by their place value.

For 9, it says she starts with $233. She worked for 6 hours today. She makes $8 for every hour. First, you have to find how much she made today. 6 hrs times $8 for every hr is $48. In total, she has $281 because we added the amount she starts with, and the amount she earned today.

4 0
3 years ago
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