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julsineya [31]
3 years ago
7

Julia wrote a linear equation in standard form as –6x – 3y = 10. Arthur noticed that the equation was not written in standard fo

rm and wants to tell Julia how to fix it. What advice should he give her?
Mathematics
2 answers:
Scrat [10]3 years ago
8 0
When an equation is in standard form, x isn't negative so she should divide everything by a negative 1 to change it into a positive equation.
Katena32 [7]3 years ago
7 0
Multiply both sides of the equation by –1, so that the value for A<span> is positive.


</span>
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X - y = 8 and -x + y = 4 solve the equation of linear equations by substitution​
ch4aika [34]

Answer:

No solution

Step-by-step explanation:

7 0
3 years ago
I NEED HELP SUPER BAD!!!!!!
Katarina [22]
There is no solution because the two lines don't intersect.
4 0
3 years ago
Orange M&amp;M’s: The M&amp;M’s web site says that 20% of milk chocolate M&amp;M’s are orange. Let’s assume this is true and set
SOVA2 [1]

Answer:

The correct option is (A).

Step-by-step explanation:

Let <em>X</em> = number of orange  milk chocolate M&M’s.

The proportion of orange milk chocolate M&M’s is, <em>p</em> = 0.20.

The number of candies in a small bag of milk chocolate M&M’s is, <em>n</em> = 55.

The event of an milk chocolate M&M being orange is independent of the other candies.

The random variable <em>X</em> follows a Binomial distribution with parameter <em>n</em> = 55 and <em>p</em> = 0.20.

The expected value of a Binomial random variable is:

E(X)=np

Compute the expected number of orange  milk chocolate M&M’s in a bag of 55 candies as follows:

E(X)=np

         =55\times 0.20\\=11

It is provided that in a randomly selected bag of milk chocolate M&M's there were 14 orange ones, i.e. the proportion of orange milk chocolate M&M's in a random bag was 25.5%.

This proportion is not surprising.

This is because the average number of orange milk chocolate M&M’s in a bag of 55 candies is expected to be 11. So, if a bag has 14 orange milk chocolate M&M’s it is not unusual at all.

All unusual events have a very low probability, i.e. less than 0.05.

Compute the probability of P (X ≥ 14) as follows:

P(X\geq 14)=\sum\limits^{55}_{x=14}{{55\choose x}0.20^{x}(1-0.20)^{55-x}}

                 =0.1968

The probability of having 14 or more orange candies in a bag of milk chocolate M&M’s is 0.1968.

This probability is quite larger than 0.05.

Thus, the correct option is (A).

4 0
3 years ago
A rectangular box with a square base contains 24 cubic feet. if the height of the box is 18 inches, how many feet are there in e
Romashka-Z-Leto [24]

Answer:

4

Step-by-step explanation:

V = Lwh

the volume (given) = 24 ft^3

the height (given) = 18" = 1.5'

24 = L*w*1.5

divide both sides by 1.5

16 = Lw

You need to find the number of feet in each side of the base

since the box has a square base

L = W

AND, found above, L*w = 16

so 4*4= 16

Answer - 4

3 0
3 years ago
During apple-picking season, 7 out of every 10 apples that are picked have a leaf attached to their stem. If Jackson picked 210
nekit [7.7K]

Answer:170

Step-by-step explanation:

Multiply 210 by 0.70 because that's equal to 70%. This will give you the answer.

6 0
3 years ago
Read 2 more answers
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