Which algebraic expressions are polynomials? Check all that apply. 2x3 – x3y – 3x2 + 6x y2 + 5y – 2 – –x –x3 – x2 +

Answers

Answer 1

Answer:

Answer:

B, C, E, F

Step-by-step explanation:

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With two number cubes, what is the probability of rolling a sum of a 9?

Answers

7 out of 11 is the probability of rolling a 9

2. El perimetro de un rectangulo es 64 pies. Su largo es 12 pies mas que 3 veces su ancho. Halla las dimensiones del rectangulo

Answers

Ancho= x
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.

Which equation shows the distributive property? A. -5+(7+3) = (-5+7)+3

B. -3+(7+3) = (-3*2)*7

C. -3+(7+3)=-3+(3+7)

D. -5(2+9)=-5*2+(-5*9)

Answers

B is the answer to your problem

When all dimensions of a figure change proportionally, the figure is _______ the original figure.A)similar to
B)half the area of
C)longer, but the same width as
D)congruent to

Answers

similar to im pretty sure

Please help me, I really need help. I will mark brainliest answer!! A bald eagle can eat 3.85 kilograms of fish in a week. The eagle eats the same amount each day. How many grams of fish will the eagle eat in a day?

Answers

So, let's list the facts:
1) In a week, the eagle eats 3.85 kilograms
2) there are 7 days in a week
3) on each day, the eagle eats the same amount.
This means that in order to find out how much was eaten on each day, we need to divide the whole week's food by the number of days in a week:

3.85/7= 0.55

(3.85=3.5+0.35 and 5*7=55, so (3.5+0.35)/7=0.5+0.05=0.55

Every day the eagle eats 0.55 kilograms of meat!

The average rate of change of f(x) is given by the formula f(7)-f(3)/4 . Over what interval does this formula give the average rate of change for f(x)?The answer choices are
A. [4,7]
B. [-7,3]
C. [3,7]
D. [3,4]