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3 years ago

Need Help!!!! Not sure how to solve this and I need an answer quick!

Mathematics

1 answer:

Mamont248 [21]3 years ago

8 0

Answer:

12 (c)

Step-by-step explanation:

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Q es pentagono. matematicas

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Un pentágono es un paralelogramo cinco caras

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A triangle has a base of 3⅖ inches and an area of 5⅒ square inches. Find the height of the triangle. Show your reasoning

N76 [4]

Answer: 3 in.

Step-by-step explanation:

Given

The base of the triangle is $3\frac{2}{5}\ inches$

The area of the triangle is $5\frac{1}{10}\ inches^2$

Solve mixed fraction

Base is

$=3\dfrac{2}{5}\\\\=\dfrac{17}{5}\ in.$

Area is

$=5\dfrac{1}{10}\\\\=\dfrac{51}{10}\ in.^2$

The area of the triangle is given by

$\Rightarrow \text{Area A=}\dfrac{1}{2}\times \text{base}\times \text{height}$

Insert the values to get the height

$\Rightarrow \dfrac{51}{10}=\dfrac{1}{2}\times \dfrac{17}{5}\times \text{height}\\\\\Rightarrow \text{height}=3\ in.$

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2 years ago

2. "

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Answer:

In a quadrilateral, the two pairs of opposite angles are congruent. One of the properties of any quadrilateral is that the opposite angles must be congruent.

Step-by-step explanation:

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3 years ago

Abigail has 17 chocolates left.As she offers her friend a chocolate she realises there are now only 2 of her favourite truffles

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Answer:

there will be a 2/17 chance that she will get her favorite truffle.

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3 years ago

For a standard normal distribution find the approximate value of p(z<0.42)

Kruka [31]

Answer:

p(z<0.42) = 0.6628

Step-by-step explanation:

A normal distribution with a mean of 0 and a standard deviation of 1 is called a standard normal distribution. That is to say:

μ = 0

σ² = 1

Using a calculator, we find that:

p(z<0.42) = 0.6628 (See picture attached)

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