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algol13
3 years ago
7

What’s $1.50 with a 20% markup?

Mathematics
2 answers:
marshall27 [118]3 years ago
5 0

Answer:

$1.80 :)

Step-by-step explanation:

Multiply $1.50 by .2 and get .30.

Then, add .30 to 1.50, and you get $1.80.

Hope this helps! :)

Alona [7]3 years ago
3 0

Answer:

$1.80

Step-by-step explanation:

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Patterns find next 2 numbers 1.) 7,4,1,-2,__,__ <br> 2.) 1,4,9,16,__,__ <br> 3.) 0,1,8,27,__,__
kati45 [8]

Answer:

1. 7, 4, 1, -2, -5, -8

2. 1, 4, 9, 16, 25, 36

3. i'm not sure about this one.


3 0
3 years ago
Are 8x^2y and -5yx^2 like terms? Explain.
MaRussiya [10]

Like terms must have the same variables and those variables must have the same powers.

7a^2b^3 and 9a^2b^3 are like terms, because they both have a^2 and they both have b^3.

7a^2b^3 and 7a^3b^2 are NOT like terms, because the powers no longer match.

In your example, do you have the same variables and do the variables have the same powers in both expressions?

6 0
3 years ago
Solid: What is the surface area of the pyramid? 7
baherus [9]

Answer:

i am so sorry if its wrong

Each of the triangles making up the sides and base have a base of 8 cm and a height of 6.9 cm. Then the area of the pyramid is that of 4 such triangles.

 A = 4×(1/2)×b×h

 A = 2×(8 cm)×(6.9 cm)

 A = 110.4 cm²Step-by-step explanation:

5 0
3 years ago
Read 2 more answers
A baker uses 33 cups of flour to make each cake. If ff represents the total amount of flour, which equation models this situatio
igor_vitrenko [27]
We need to see your selection to chose from but <em>it would look something like the following

x = number of cakes

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7 0
3 years ago
In Canada, 92% of the households have televisions.
Free_Kalibri [48]

Answer: Let "T" denote households with television

"I" denote households with internet

and "N" denote households with neither of these.

Since P(N) = 0.05 then it means P(TuI) = 0.95. We know from set theory that P(TuI) = P(T) + P(I) - P(TnI). Thus,

0.95 = 0.92 + 0.72 - P(TnI) ==> P(TnI) = 0.69. This means P(T/I) = P(T) - P(TnI) = 0.92 - 0.69 = 0.23, and P(I/T) = P(I) - P(TnI) = 0.72 - 0.69 = 0.03. So,

a)

House                 Probability

Nothing                0.05

Only television      0.23

Only internet         0.03

Both                   0.69

b) P(internet but no television) = P(only internet) = 0.03

c) P(internet | there is television) = (By Bayes' Rule) P(TnI) / P(T) = 0.69 / 0.95 = 0.726 (rounded to 3 decimal points)

d) P(internet | there is no television) = (By Bayes' Rule) P(I/T) / P(T') = 0.03 / 0.08 = 0.375

e) From (c) and (d) ==> In Canada, it is (0.726/0.375 ≈ 2 ) twice more likely that if there's television in the household, then there is internet.

Step-by-step explanation:

7 0
3 years ago
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