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3 years ago

9

I don't get this one

2 answers:

olasank [31]3 years ago

5 0

It’s rhombuses and kites!

A kite is a quadrilateral with exactly two pairs of adjacent congruent sides. (This definition excludes rhombi. Some textbooks say a kite has at least two pairs of adjacent congruent sides, so a rhombus is a special case of a kite.)

ikadub [295]3 years ago

5 0

Answer:

rectangles, square, and isosceles trapezoids

Step-by-step explanation:

It's asking which shapes always have the property that two pairs of two angles next to each other are congruent.

This would be true for rectangles, square, and isosceles trapezoids.

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A school has two kindergarten classes. There are 21 children in Ms. Toodle's kindergarten class. Of these, 17 are "pre-readers"�

k0ka [10]

Answer:

b

Step-by-step explanation:

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3 years ago

For every how many degrees will a pentagon have rotational symmetry?

igor_vitrenko [27]

A. 72 degrees (i hope this helped)

7 0

3 years ago

Read 2 more answers

(a) A survey of the adults in a town shows that 8% have liver problems. Of these, it is also found that 25% are heavy drinkers,

jekas [21]

Answer:

The probability that the selected adult has liver problems is 0.08

Step-by-step explanation:

In this question, from the data given, we want to calculate the probability that an adult selected at random has liver problems.

Let E(L) be the event that an adult has liver problems.

The probability is directly obtainable from the question and it is given as 8%

Thus, the probability that the selected adult has liver problems; P(L) = 8% = 8/100 = 0.08

3 0

3 years ago

I need help with this it’s timed

8090 [49]

Answer:

Option 3

Step-by-step explanation:

The coordinates match it

4 0

3 years ago

7 line tshirt company manufactures t-shirts and sells them online.The company has a model where the cost C, in dollars to make x

bonufazy [111]

Answer:

The company must sell at least 2 shirts to break even.

Step-by-step explanation:

Cost:

The cost is given by the following equation:

$C = \frac{40}{30x+20} + 20 = \frac{4x}{3} + 20$

Revenue:

The revenue is given by the following equation:

$R = 15x$

How many t shirts must the company sell to break even?

Breakeven point is when the revenue is the same as the costs. So

$\frac{4x}{3} + 20 = 15x$

$15x - \frac{4x}{3} = 20$

$\frac{45x}{3} - \frac{4x}{3} = 20$

Multiplying everything by 3

$45x - 4x = 60$

$41x = 60$

$x = \frac{60}{41} = 1,...$

Since you cant make a decimal value of shirts

The company must sell at least 2 shirts to break even.

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7 0

3 years ago