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trapecia [35]
3 years ago
15

Which expression can be used to find the surface area of the following square pyramid?A 16+16+55+55+8816+16+55+55+8816, plus, 16

, plus, 55, plus, 55, plus, 88 (Choice B) B 10+10+55+55+8810+10+55+55+8810, plus, 10, plus, 55, plus, 55, plus, 88 (Choice C) C 8 +8+55+55+888+8+55+55+888, plus, 8, plus, 55, plus, 55, plus, 88 (Choice D) D 16+8816+8816, plus, 88

Mathematics
2 answers:
Tcecarenko [31]3 years ago
6 0

Answer:

4 + 3+3+3+3

Step-by-step explanation:

We add up all the areas to find the surface area

The bottom is

2*2 = 4

The sides are all the same

The area of one side is

A = 1/2 bh =  1/2 (2*3) = 3

There are 4 triangular side

SA = 4 + 3+3+3+3

Ksenya-84 [330]3 years ago
6 0

Answer:

4 + 3 + 3 + 3 + 3

Step-by-step explanation:

The base is a square.

Find <u>area of a square</u>.

2² = 4

Find the <u>area of one triangle</u>.

2 × 3 × 1/2 = 3

There are 4 triangles.

3 + 3 + 3 + 3

Add all the areas:

4 + 3 + 3 + 3 + 3

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Explain how you can use equivalent fractions to find the quotient of 2 3 ÷ 4.
Virty [35]

Answer:

see below

Step-by-step explanation:

2/3 ÷ 4

We use copy dot flip

The flip means make a reciprocal of the second number

2/3 * 1/4

Multiply the numerators

2*1 = 2

Multiply the denominators

3*4 =12

Put the numerator over the denominator

2/12

Simplify

1/6

8 0
4 years ago
Read 2 more answers
Identify the vertex y=2x^2-4x-2
icang [17]

Answer:

The vertex is (1, -4)

Hope this helps!

8 0
3 years ago
75% of blank peaches is 15 peaches?
satela [25.4K]

.75 * p = 15

divide by .75

p = 15/.75 = 20

20 peaches

.15 * d = puppies

.15 * 60 = puppies

puppies = 9


stereo *.09 = 35

divide by .09

stereo = 35/.09

stereo = 388.89

4 0
4 years ago
the total length of 3 boards are 7/8 of a yard. The lenght of 2 boards are 1/4 of a yard and 3/16 of a yard. What is the length
ELEN [110]

Answer: 7/16 of a yard

Step-by-step explanation:

first we have to find common denominators. 3x=7/8, or 3x=14/16

1/4=4/16 then 14-4-3=7, all over 16.

4 0
3 years ago
If $a=7$ and $b=13$, what is the number of even positive integers less than $ab$?
Paladinen [302]

The number of even positive integers less than a.b, i.e 90, is 45.

<h3>What are Arithmetic operations?</h3>

Arithmetic operations can also be specified by subtract, divide, and multiplying built-in functions.

Given that
a = 7 and b = 13

⇒ ab

Substitute the values of a and b in the above expression,

⇒ (7)(13)

⇒ 91

Since the number of even positive integers is less than

⇒ ab > even positive

⇒ 90 > even positive

since the even number less than a.b i.e. 91 is 90,
Here, 90 is the 45th number in the series of even positive numbers.


Thus, the number of even positive integer less than a.b, i.e 90, is 45

Learn more about Arithmetic operations here:

brainly.com/question/25834626

#SPJ1

4 0
2 years ago
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