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Fofino [41]
3 years ago
11

a college student would like to invest the prices of sandwiches offered near the campus a sample of 50 shops that's so sandwiche

s near the campus was taken in the price they charge for a large sandwich was recorded the result or displayed in the cumulative relative frequency histogram below. Which is a correct statement regarding sandwiches prices,based on the histogram A) The distribution of sandwiches prices is skewed left B) The interval from 9$ to 10$ contains the largest number of sandwich prices C) About 62% of sandwich shops sell their large sandwich for between 10$ to 11$ D) More sandwich shops sell a large sandwich for 12$ to 13$ dollars than 10$ to 11$.​

Mathematics
1 answer:
fredd [130]3 years ago
3 0

Answer:

             the answer is A

Step-by-step explanation:

because the graph is skewed to the left

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Solve the radical equation. square root 6n-11= n – 3 Which solution is extraneous? A.)2
Anvisha [2.4K]
ANSWER


D) 10

EXPLANATION

We want to solve the radical equation,

\sqrt{6n - 11}  = n - 3

Square both sides,



6n - 11 = (n - 3) ^{2}

Expand brackets on right hand side,

6n - 11 =  {n}^{2}  - 6n + 9

Rewrite in general quadratic equation form,

{n}^{2}  - 12n  + 20 = 0

Factor to obtain,

(n - 2)(n - 10) = 0

Apply the zero product principle to get,

n = 2 \: or \: n = 10


We put n=2 into the equation to get,

\sqrt{6(2) - 11}  = 2 - 3


1 =  - 1


This statement is false, hence 2 is an extraneous solution


We put n=10, to get

\sqrt{6(10) - 11}  = 10 - 3


\sqrt{49}  = 7


7 = 7


This is true, hence the only solution is
n = 10
3 0
4 years ago
Read 2 more answers
This is my question pls help
Cerrena [4.2K]

Answer:

a = 15

Step-by-step explanation:

Substitute b = 12 , a = 9 into the equation

12 = \sqrt{a^2-9^2}

12 = \sqrt{a^2-81} ← square both sides

144 = a² - 81 ( add 81 to both sides )

225 = a² ( take square root of both sides )

± \sqrt{225} = a , then

a = ± 15

a > 0 , so a = 15

7 0
3 years ago
(а^2+2)(а-1)-а(а^2+2) Help me, please.
Arlecino [84]
Expand?

(a^2+2)(a-1)-a(a^2+2) \\ \\ a^3 - a^2 + 2a - 2 - a^3 - 2a \\ \\ (a^3 - a^3) - a^2 + (2a - 2a) - 2 \\ \\ -a^2 - 2 \\ \\

Answer: -a^2 - 2
4 0
3 years ago
Write 1/1,024 as an expression using a negative exponent other than -1
Ainat [17]
The answer could be 32^(-2)
6 0
3 years ago
Read 2 more answers
Whic
Nana76 [90]

Answer: 180 cm

Step-by-step explanation: 1 decimeter = 10 centimeter

18 dm = 10 * 18 cm

18 dm = 180 cm

Would appreciate brainly <3

3 0
3 years ago
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