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3 years ago

9

Out of the 20 students in my classroom, 15 wore their pajamas on Pajama Day. In decimal form, represent the portion of students

who didn’t wear pajamas.

2 answers:

kvasek [131]3 years ago

4 0

75.0% of students wore pajamas

Butoxors [25]3 years ago

3 0

0.25 people didn't put on pajamas

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Identify the like terms in this expression: 3xy + 2x – 7xy + 4x2

forsale [732]

I believe the answer is C!

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Your family drives from Austin Texas to Tampa Florida. The trip is 1145 mi and lasts four days. How many miles should your famil

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2 years ago

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Lesechka [4]

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Step-by-step explanation:

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2 years ago

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The pyramid shown has a square base that is 14 centimeters on each side. The slant height is 15 centimeters. What is the surface

Ksenya-84 [330]

We know that

surface area=area of the base+4*[area of one lateral triangle side]

area of the base=b²
b is the side length of the square
b=14 cm
area of the base=14²-----> 196 cm²

area of one lateral triangle side=b*h/2
b is the side length of the square
b=14 cm
h is the height of the lateral triangle side
h is equal to the slant height
h=15 cm

area of one lateral triangle side=14*15/2----> 105 cm²

surface area=196+4*[105]------> 616 cm²

the answer is
the surface area is 616 cm²

7 0

2 years ago

If a tree 41.8 feet tall casts a shadow that is 27 feet long, find the height of a tree casting a shadow that is 18.3 feet long

Neko [114]

Answer:

28.3 feet

Step-by-step explanation:

Given a tree 41.8 feet tall casts a shadow that is 27 feet long

So the Tangent of the angle of the sahdow remains the same for the both trees.

We know that $Tanx=\frac{height of the tree}{length of the shadow}$

$\frac{height of the tree1}{length of the shadow1} = \frac{height of the tree2}{length of the shadow2}$

$\frac{41.8}{27} =\frac{x}{18.3}$

$x=\frac{41.8}{27}\times18.3 =28.3$

Therefore the height of the tree is 28.3 feet

6 0

3 years ago