Hey i need help pleaseA week before the election, 1,500 people were asked who they planned to vote for. 45% said they planned to vote for Candidate X. 38% said they planned to vote for Candidate Y. The rest said they had not decided yet. How many of the people who were asked have not yet decided for whom they plan to vote?
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diketahui tiga bilangan a, b, dan c. Rata-rata dari ketiga bilangan itu sama dengan 16. bilangan kedua ditambah 20 sama dengan jumlah bilangan-bilangan yang lainnya. bilangan ketiga sama dengan jumlah bilangan yang lain dikurangi empat. Bilangan-bilangan itu berturut-turut adalah...
Complete the table below to solve the equation 2.5x − 10.5 = 64(0.5x).
A square garden has a diagonal of 34 ft. Colton wants to put a fence around the entire garden.How much fencing will he need? Round to the nearest foot.
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Answer:
Smaller number = 12
Larger number = 24
Step-by-step explanation:
Let's call X the smallest number, while Y is the largest number.
In this case, Y = 2X
The equation that represents the given case is,
X + Y = 36
But being Y = 2X we substitute in the equation, obtaining ...
X + 2X = 36
Now we add the X ...
3X = 36
We isolate the X to know its value ...
X = 12
Now we calculate the value of Y ...
Y = 2X
Y = 2 (12)
Y = 24
Smaller number = 12
Larger number = 24
Both conditions are met:
(1) The largest number is twice the smallest number: 12 * 2 = 24
(2) The sum of the two numbers is 36: 12 + 24 = 36
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Hope this helps!
The equation is 2x + x =36
So 3x = 36
Then divide each side by 3
So x =12
That is the smaller number
Multiply it by 2 to get the bigger number since it's twice the number
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The dimensions of the length of the legs are 15 m and 20 m in the given right triangle.
What is Pythagoras's theorem?
Pythagoras's theorem states that in a right-angled triangle, the square of one side is equal to the sum of the squares of the other two sides.
Let x be the length of one of the legs. Then the length of the other leg is 2x-10m. We can use the Pythagorean theorem to find the lengths of the legs.
We can write this as an equation:
x² + (2x - 10)² = 25²
5x²- 40x + 100 = 625
5x²- 40x + 100 - 625 = 0
5x²- 40x - 525 = 0
Divided by 5 into the above equation,
x²- 8x - 105 = 0
After solving the above quadratic equation, we get
x = 15 and x = -7
Take x = 15 as the length of one of the legs.
So, the length of the other leg is 2(15)-10 = 20 m.
Thus, the dimensions of the length of the legs are 15 m and 20 m.
Learn more about Pythagoras's theorem here:
#SPJ2
4x^2-40x+100+x^2=625
5x^2-40x+100-625=0
5x^2-40x-525=0
5(x^2-8x-105)=0
5(x-15)(x+7)=0
x-15=0
x=15 for the short side.
2*15-10
30-10=20 for the long side.
Proof:
15^2+20^2=25^2
225+400=625
625=625
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Largo= 3x+12 ("12 pies más (adición) que 3 veces (multiplicación) su ancho (x)")
En el problema incluyen el perímetro (la suma de todos los lados de una figura). En un rectángulo, los lados opuestos son congruentes, así que para calcular el valor de x, tenemos que sumar nuestras ecuaciones.
(3x+12)+(3x+12)+x+x=64
8x=64-24
x=40/8
x=5
Luego lo único que queda hacer es substituir el valor de x en cada ecuación para calcular los valores que te piden.
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Answer:
y=-1/2x+3
Step-by-step explanation:
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Answer:
49/144
Step-by-step explanation:
Find the GCD (or HCF) of numerator and denominator
GCD of 49 and 144 is 1
Divide both the numerator and denominator by the GCD
49 ÷ 1
144 ÷ 1
Reduced fraction:
49
144
Therefore, 49/144 simplified to lowest terms is 49/144.
Answer:
7/12
Step-by-step explanation:
7 goes into 49 7x times
and
12 goes into 144 12x times
So if we simplify this, the answer would be