3 years ago

How many 'faces' are on this square pyramid?

Mathematics

1 answer:

qaws [65]3 years ago

7 0

Answer:

Step-by-step explanation:

There are 5 faces on a square pyramid

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What is the value of x? Enter your answer in the box. x =

Svetlanka [38]

Answer:

x = 54

Step-by-step explanation:

According to Vertical Angle Theorem,

(3x-52)* = (2x+2)*

x = 54*

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3 years ago

An $80.00 coat is marked down 20%. It does not sell, so the shop owner marks it down an additional 15%. What is the new price of

stiv31 [10]

Answer:

$54.40

Step-by-step explanation:

First, find the new price after the 20% markdown:

80(0.8)

= 64

Then, find the price with the 15% markdown:

64(0.85)

= 54.4

So, the new price of the coat is $54.40

6 0

4 years ago

Find x and y in the diagram. justify your answer

lord [1]

Set x to 0 to find the y value or set y to 0 to find the x value

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4 years ago

Leah claims that these figures are not similar. When she compared the heights, she wrote 27. Then she compared the bases and got

Flauer [41]

Answer:

<h2>Leah is actually wrong, because those rectangles are similar.</h2>

Step-by-step explanation:

Remember that similarity is about having proportional sides and congruent angles. When we have congruent sides, then those rectangles are congruent not similar.

In this case, to find the similarity, Leah should compare bases and heights thorugh division, because the ratio between heights and the ratio between bases must be equal. So, let's divide.

$\frac{21}{6}=3.5$