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cestrela7 [59]
3 years ago
7

The seventh-grade spring class trip will either be to a zoo or an art museum. Which survey method is most likely to provide a bi

ased sample?
Mathematics
1 answer:
Luden [163]3 years ago
4 0

Answer:

7) A school group is assigned to survey vast museum collections of all macroscopic (not microscopic) animal species collected from various regions around the world. What observation are the students most likely to make? A) The majority of the animals are wormlike. B) The majority of the animals possess a …

Step-by-step explanation:

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2. Tomás compró una bicicleta en $199.900. Primero, canceló la mitad y el resto en 7 cuotas de igual valor, con un interés total
Papessa [141]

Answer:

Cada cuota tendrá un valor de $14,850.

Step-by-step explanation:

Dado que Tomás canceló la mitad del valor de la bicicleta, la cual costaba $199.900, el valor pagado al inicio fue de $99,950 (199,900 / 2).

Luego, para el valor restante, Tomás suscribió a una financiación con un interés de $4,000, elevando el monto a pagar a $103,950, pagaderos en 7 cuotas. Por lo tanto, dichas cuotas tendrán cada una un valor de $14,850 (103,950 / 7).

4 0
3 years ago
Abit is planning a birthday party for his grandfather. He bought a cake for \$18$18. He also wants to buy some balloons, which a
Temka [501]

Answer:

3$

Step-by-step explanation: if he try to buy  as many balloons as passible with the money he has it would be 3$


6 0
3 years ago
PLZ HELP WILL MARK BRAINLIEST :)
olya-2409 [2.1K]

1 = B 2 = C I hope it helps

6 0
3 years ago
Read 2 more answers
Lydia graphed ADEF at the coordinates D (-2,-1), E (-2, 2), and F (0,0). She thinks ADEF is a right triangle. Is Lydia's asserti
Setler79 [48]

The true statement is (c) No; the slopes of segment EF and segment DF are not opposite reciprocals.

<h3>Right triangles </h3>

Right triangles have a pair of perpendicular lines

Coordinates

The coordinates are given as:

  • D = (-2,-1)
  • E = (-2,2)
  • F = (0,0)

<h3>Slopes</h3>

Start by calculating the slopes of lines DF and EF using:

m = \frac{y_2 -y_1}{x_2 -x_1}

So, we have:

m_{DF} = \frac{0 + 1}{0 +2}

m_{DF} = \frac{1}{2}

Also, we have:

m_{EF} = \frac{0 -2 }{0+2}

m_{EF} = \frac{-2 }{2}

m_{EF} = -1

For the triangle to be a right triangle, then the calculated slopes must be opposite reciprocals.

i.e.

m_1 = -\frac{1}{m_2}

By comparison, the slopes of both lines are not opposite reciprocals.

Hence, the true statement is (c)

Read more about right triangles at:

brainly.com/question/17972372

7 0
2 years ago
Read 2 more answers
I need the answer to finding the reciprocal of -72÷(-9)
lbvjy [14]
First lets do the math...
-72 / -9 = 8

the reciprocal of a number is just flipping the number.
example : the reciprocal of 2/3 = 3/2.....the reciprocal of 6/7 = 7/6...and when u have a whole number, put it over 1...

so the reciprocal of 8, or 8/1 is gonna be 1/8 <==

or u could do it this way...
reciprocal of -72 / -9 = -9 / -72, which equals 1/8
5 0
3 years ago
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