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vagabundo [1.1K]
3 years ago
15

What is 2 equivalent fractions to the fraction 4/7

Mathematics
1 answer:
ryzh [129]3 years ago
4 0
8 Over 14 And 12 over 21
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Which is true about the polynomial –3xy2 + 5x2y?
Semmy [17]

Answer:  The answer is a cubic binomial.

Step-by-step explanation:  The given polynomial is

P(x,y) =-3xy^2+5x^2y.

We are to write the truth about the above polynomial, its type, etc.

Since the polynomial contains two expressions (terms), so it is a binomial.

Also, the degree of both the terms -3xy^2 and 5x^2y is 3.

We know that the degree of a polynomial is the highest degree among the terms that are present in the polynomial, so the degree of P(x, y) is 3.

Therefore, P(x, y) is a binomial of degree 3.

Thus, it is a cubic binomial.

7 0
3 years ago
Read 2 more answers
Large cheese pizzas cost $5 each and large one-topping pizzas cost $6 each.
dsp73

Answer:

T=5c+6d

Step-by-step explanation:

The correct question is

Large cheese pizzas cost $5 each and large one-topping pizzas cost $6 each.

Write an equation that represents the total cost, T, of c large cheese pizzas and d large one-topping pizzas.

Let

T -----> the total cost

c ----> the number of large cheese pizzas

d ---> the number of large one -topping pizzas

we know that

The total cost (T) is equal to the number of large cheese pizzas (c) multiplied by it cost ($5) plus the number of large one -topping pizzas (d) multiplied by it cost ($6)

T=5c+6d

8 0
3 years ago
Please interact if you know the answer!
IRISSAK [1]

Answer:

Step-by-step explanation:

1.

The supplementary angles to ∠x are adding to 180° and are ∠HGC and ∠BGA

2.

If ∠DGE = 90° , then  

∠CGD is also 90° because ∠DGE and ∠CGD are a linear pair and

∠HGC is also 90° because ∠DGE and ∠HGC are vertical angles

6 0
3 years ago
Suppose a railroad rail is 5 kilometers and it expands on a hot day by 12 centimeters in length. Approximately how many meters w
jolli1 [7]

Answer:

  about 17 meters

Step-by-step explanation:

We can use the Pythagorean theorem to put an upper bound on the height of the bump in the rail. This assumes half the expanded rail length (d+e) is the hypotenuse of a right triangle whose legs are the bump height (b) and the 2500 meter distance (d) from the center of the rail to its end.

The Pythagorean theorem relates these distances this way:

  b^2 + d^2 = (d+e)^2

Expanding the square on the right, we can simplify the expression to find b.

  b^2 = (d^2 +2de +e^2) -d^2

  b^2 = e(2d +e)

  b = √(e(2d +e))

Using lengths in meters, we can fill this in to calculate b.

  b = √(.06(2·2500 +.06)) = √300.0036

  b ≈ 17.32 . . . . meters

_____

<em>Comment on this solution</em>

We don't expect rails to tear loose from the rail bed and rise up to a height matching that of a 3-story building. That is why there are typically expansion joints and shorter rail lengths used in the construction of railways.

The height is a little lower if we take physics into account and distribute the stress in the rail along its length. No doubt the final curve is somewhat more complicated than the triangle we have assumed.

If it were an ellipse, the height might only be 9.4 meters, with the steepest rise occurring near the ends of the rail. The math for this model is beyond the scope of this answer.

7 0
3 years ago
nintendo was trying to determined the cost of producing nintendo switch games. The function f(g) = 5g + 20, where g is the numbe
kari74 [83]

Answer:

I got u the answer is B = Rational numbers greater than or equal to zero

Step-by-step explanation:

Sorry there is no step by step but the answer is B

4 0
3 years ago
Read 2 more answers
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