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2 years ago

11

two models are shown. Each model has been shaded grey to represent a fraction. wgucj statement is true about the fractions 3/4 a

nd 6/8

1 answer:

jeka57 [31]2 years ago

8 0

Answer:

The third, they are equivalent because the size of the shaded area is the same.

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The <br> 180<br> falls between which two whole numbers?

dimulka [17.4K]

179 AND 181, THATS RIGHT BOIII

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2 years ago

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Solve the proportion 3/x-1=5/7

Sergeeva-Olga [200]

$x= \frac{4}{7}$

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2 years ago

If you help out can you please explain it so I can understand?

rjkz [21]

Simplify just means put together everything into one big thing. In this case that is just adding. To add a fraction and a decimal we have to convert the fraction into a decimal as well. The decimal form of 1/4 is 0.25, and as such, 3/4 is .75. This means we have -0.75+1.5. Adding a positive to a negative is the same thing as simply subtracting the first number from the second, or 1.5-0.75. This is .75. The answer is C.

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2 years ago

If v = 35 , a = 4 , t = 5 and v = u + a t , evaluate u .

Llana [10]

v = u + at

=> 35 = u + (4×5)

=> 35 = u + 20

=> 35 - 20 = u

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2 years ago

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The Johnson twins were born nine years after their older sister. This year, the product of the three siblings ages is exactly 18

KATRIN_1 [288]

Answer: The age of the twins is 10 years.

Step-by-step explanation:

Suppose the age of older sister be x

Let the age of twins sister be x-9, as they are born after 9 years.

Product of their ages be

$x(x-9)(x-9)\\\\=x(x^2-18x+81)\\\\=x^3-18x^2+81x$

Sum of their ages will be

$x+x-9+x-9\\\\=3x-18$

According to question,

$1861+3x-18=x^3-18x^2+81x\\\\x^3-18x^2+81x-3x+18-1861=0\\\\x^3-18x^2+78x-1843=0\\\\x=19$

So, Age of older sister will be 19 years.

Age of the twins will be

$19-9=10\ years$

Hence, the age of the twins is 10 years.

3 0

2 years ago