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3 years ago

Find the probability of answering the first three multiple choice questions correctly

Mathematics

1 answer:

alisha [4.7K]3 years ago

4 0

1/12 if each Question is A-D

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Write the product using exponents (very easy)

goldfiish [28.3K]

Answer:

$-9^{4}$ x $x^{3}$

Step-by-step explanation:

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3 years ago

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What is the equation of a horizontal line passing through the point (−7, 5)?

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3 years ago

Parallelogram PQRS has diagonals that are perpendicular. Based on that, which statement is most correct?

viva [34]

Answer:

B- Parallelogram PQRS is also a rhombus.

Step-by-step explanation:

Given

Parallelogram PQRS with perpendicular diagonals

Required

Which of the option is true

(a) PQRS can be a rectangle

A rectangle do not have perpendicular diagonals.

Hence, (a) is false

If (a) is false, then (d) is also false

(b) PQRS can a rhombus

The diagonals of a rhombus are not perpendicular.

So (b) is true

No need to check for (c), since only option is true

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3 years ago

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Which of the following defines liquid measure?

Aleks04 [339]

B units used to measure the volume of liquids such as water gas and milk because the measure of the liquid is defined by the unit used

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3 years ago

What is the value of a?

Juli2301 [7.4K]

Actually, the answer is not A, if you're saying A is the first choice above. That's incorrect. You will need to use the Geometric mean for right triangles here to figure out what the value of a is. We will use this form: $\frac{YZ}{WZ} = \frac{WZ}{XZ}$ . We have a value for YZ of 3; side a is XZ. That means in order to solve this we need WZ, which we can find using pythagorean's theorem. 3^2 + 4^2 = c^2 and 9 + 16 = c^2 and c = 5. Now we fill in accordingly: $\frac{3}{5}= \frac{5}{XZ}$ . Cross-multiply to get 3XZ=25 and side XZ is $\frac{25}{3}$ . XZ is 25/3 and YZ is 3, so 25/3 - 3 = XY. That means that XY (side a) = 16/3 or 5 1/3, choice B, or the second one down.

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3 years ago