3 years ago

Which number is a rational number?

Mathematics

1 answer:

astra-53 [7]3 years ago

3 0

Answer:

c.) 17.156

Step-by-step explanation:

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maria bought 1224 cm of ribbon for her art picture at $0.75/m. how much did she pay for ribbon, to the nearest cent?

k0ka [10]

Data:
Tape size = 1224 cm → 12.24 m
Price per size = $0.75/m

Solving: Rule of three (directly proportional)

$ (price) __ (Size)
0.75 ----------- 1 m
y --------------- 12.24 m

Multiply cross

 $y = 0.75*12.24$
$\boxed{\boxed{y = \$\:9.18}}\end{array}}\qquad\quad\checkmark$

Answer:
She paid for the tape $ 9.18

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4 years ago

Let sets A and B be defined as follows.

erica [24]

There are 4 elements in the set A and 8 elements in set B that is n(A) = 4 and n(B) = 8

<h3>Cardinality of a set</h3>

This is the total number of elements in a set. Given the following sets;

A = {c, d, e, f}

B = {odd numbers greater than 5 and less than 23}

B = {7,9,11,13, 15, 17, 19, 21}

Since there are 4 elements in the set A and 8 elements in set B hence n(A) = 4 and n(B) = 8

Learn more on cardinality of set here: brainly.com/question/23976339

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2 years ago

What is the surface area of the triangular prism?

beks73 [17]

Answer:

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4 years ago

Simplify -4 1/4-(-9 1/2) = ? A. -13 1/3 B. -5 1/4 C. 13 1/3 D. 5 1/4

bagirrra123 [75]

Answer:

Step-by-step explanation:

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3 years ago

Two airplanes leave an airport at the same time and travel in opposite directions. One plane travels 60km\h slower than the othe

DanielleElmas [232]

Answer:

4 V + 4 (V - 60) = D where D is distance apart after 4 hrs

8 V - 240 = 7304

V = 943 km/hr

and V2 = 943 - 60 = 883 km/hr where second plane is 60 km/hr slower

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2 years ago