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OleMash [197]
3 years ago
13

All of the following ratios are equivalent except _____.

Mathematics
2 answers:
GalinKa [24]3 years ago
7 0

Answer:

8 to 12

Step-by-step explanation:

because 15/10 2/3 6;9 go together

blsea [12.9K]3 years ago
5 0

Answer:

15/11

Step-by-step explanation:

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If u=1+3 i and v=-2-i what is u+v
Citrus2011 [14]
The answer is 2-i
1+3=4
4-2=2
2-i=2-i
6 0
4 years ago
Read 2 more answers
Permutations vs combinations(one step):
Bogdan [553]

Answer:

the expression is: ^{15}P_3=\frac{15!}{(15-3)!}

and 2730 different ways are possible.

Step-by-step explanation:

In the given question we have to choose a president, vice

president, and secretary.

Permutations are used when order is important so, as in the given question order is required. We would use permutations

The formula used is: ^nP_r=\frac{n!}{(n-r)!} where:

n=total number of objects

r=number of objects selected

In our case: n=15, r=3

Putting values and finding the answer:

^nP_r\\^{15}P_3=\frac{15!}{(15-3)!} =2730 \ ways

So, the expression is: ^{15}P_3=\frac{15!}{(15-3)!}

and 2730 different ways are possible.

7 0
3 years ago
Question Solve. 2 1/3−1/2x=−2/3 Enter your answer in the box.
Tcecarenko [31]

2/3 - 1/2x = -2/3 then the value of x is 6 .

The algebraic expression should often take one of the following forms: addition, subtraction, multiplication, or division. Bring the variable to the left and the remaining values to the right to determine the value of x. To determine the outcome, simplify the values.

The steps to use the calculator to determine x's value are as follows:

  • Fill in the multiplicand and product fields with the numbers (Integer/Decimal Numbers).
  • To obtain the result, press the "Solve" button now.
  • The output field will show the dividend or the x value.

given equation is

2/3 - 1/2x = -2/3

⇒7/3-x/2 = -2/3

⇒7/3+ 2/3 =x/2

⇒9/3 = x/2

⇒ x=3 x 2

⇒ x=6

therefore the value of the x is 6

To know more about how to find x values visit :

brainly.com/question/21481562

#SPJ1

6 0
2 years ago
What is the solution of -x+y=-27 when x equals 17
telo118 [61]

Answer:

y=44

Step-by-step explanation:

-x+y=27

-17+y=-27

27-(-17)=27+17

27+17=44

5 0
3 years ago
Read 2 more answers
A certain triangle has two 45° angles. What type of triangle is it?
neonofarm [45]
Answer is a right triangle. The angles of a triangle must add to 180 degrees.
You have two 45 degree angles
45 + 45= 90
Now you need 1 more angle to equal 180
180- 90= 90
A right angle is 90 degrees. A right triangle has one right angle and two acute.
3 0
4 years ago
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