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levacccp [35]
3 years ago
6

Which system of equations has no solutions? (Systems of Linear Equations - Quiz I-ready)

Mathematics
1 answer:
Anestetic [448]3 years ago
8 0

Answer:c parallel lines

Step-by-step explanation:

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Mr. King has 36 pair of shoes. 3/4 of them are gym shoes, how many of his shoes are gym shoes
Alex777 [14]

Answer:

The number of pair of gym shoes does Mr. king has is 27 pairs .

Step-by-step explanation:

Given as :

Total number of pairs of shoes does king has = 36 pairs

The number of gym shoes = \dfrac{3}{4} of the total pairs of shoes

Let The number of pair of gym shoes = n

<u>According to question</u>

The number of gym shoes = \dfrac{3}{4}  × the total pairs of shoes

Or, n = \dfrac{3}{4}  × 36

i.e n = \frac{3\times 36}{4}

Or, n = 3 × 9

∴   n = 27

So, The number of pair of gym shoes = n = 27 pairs

Hence, The number of pair of gym shoes does Mr. king has is 27 pairs . Answer

6 0
3 years ago
What is the value of r?<br> Round your final answer to the nearest whole number.
vaieri [72.5K]

Answer:

r = 13

Step-by-step explanation:

Hypotenuse is the side opposite to 90 degree angle, so hypotenuse is r.

Also, with respect to the angle given, the side "12" is the opposite.

So we have opposite side to angle and we need hypotenuse. Which trigonometric ratio related opposite with hypotenuse? It is SINE.

So we can write:

Sin(67.4)=\frac{Opposite}{Hypotenuse}=\frac{12}{r}\\rSin(67.4)=12\\r=\frac{12}{Sin(67.4)}\\r=12.99

Rounded to nearest whole number, r = 13

8 0
3 years ago
Read 2 more answers
Find the probability of winning a lottery by selecting the correct six integers, where the order in which these integers are sel
lora16 [44]

Hey there,

The answer is A: 50

:)

5 0
3 years ago
A refrigerator costs $580 a year to run. A family purchases a new one for $1200 that will save them 22% annually in energy costs
NeTakaya

Answer:

It will take nine years and four months for the refrigerator to pay for itself.

Step-by-step explanation:

The new refrigerator which costs $1200, saves the family 22% annually in energy cost.

Since the old refrigerator costs $580 to run, we want to determine how many years it will take for 22% of $580 per year to make $1200.

22% of $580

= 580 × 0.22

= 127.6

That is, it saved then $127.6 per year.

Now,

$1200/127.6

≈ 9.4

Which means, it will take 9 years and 4 months for the refrigerator to pay for itself.

7 0
3 years ago
Use the distributive property to create an equivalent expression to the equation 9(2j + 5j).
frez [133]

Answer:

63 Hope this helps you and everyone else :)

Step-by-step explanation:

First, multiply 9x2 to get 18. Then, multiply 9x5 to get 45. Finally add both numbers to get 63.

3 0
3 years ago
Read 2 more answers
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