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weeeeeb [17]
2 years ago
15

What are the values of x and y​

Mathematics
2 answers:
Illusion [34]2 years ago
8 0
- .... . / --. .. .- -. - / .... --- .-. ... . / -.-. --- -.-. -.- / .-- . .. --. .... - ... / --- ...- . .-. / .---- .---- / .--. --- ..- -. -.. ...
kaheart [24]2 years ago
5 0

Answer:

x = 10, y = 12

Step-by-step explanation:

There is a 2:1 ratio between 16 and 8, alternate side lengths.

2x = 20

x = 10

2(6) = y

y = 12

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1. Evaluate -3x^3 -2y^2 when x=-5 and y =3
-Dominant- [34]

Answer:

357

Step-by-step explanation:

A) We replace x = - 5 and u = 3 into -3x^3 -2y^2

and we have -3x^3 -2y^2= -3*(-5)^3 -2*3^2= -3*(-125)- 2*9

or -3x^3 -2y^2 = 375-18= 357

The answer is 357.

B) Replace h = -2 into h^2-3h+2

we have h^2-3h+2 = (-2)^2 -3*(-2) +2 = 4 +6 + 2= 12

The answer is 12

Have a good day.

8 0
3 years ago
How do I solve this?
Artemon [7]

a^2 - b^2 = (a + b)(a - b)

In this case

49x^4y^2 - 4z^2

= (7x^2y)^2 - (2z)^2

= (7x^2y + 2z)(7x^2y - 2z)

Factors are (7x^2y + 2z) and (7x^2y - 2z)

Answer:

D) 7x^2y + 2z

8 0
3 years ago
Would you rather put 3 dollars in the bank and have it triple each week for 4 weeks or put 4 dollars in the bank and have it qua
Gnesinka [82]

Answer:

4 dollars

Step-by-step explanation:

3x3x3x3x3 =243

4x4x4x4=256

3 0
3 years ago
Read 2 more answers
What is the probability of the spinner landing on an odd number
Nadya [2.5K]

Answer:

1/50* 1/2  =0 .01

Step-by-step explanation:

First, the probability that the spinner lands on 20 is  

1 /50

, as 20 is one of the 50 numbers on the wheel, and each number has an equal probability of being selected.

Second, the probability that the spinner lands on an odd number is  

1/2

. This is because of the 50 numbers on the wheel, half are even and half are odd.

6 0
3 years ago
Read 2 more answers
The mean of 4 8 9 x and 2x is 6 calculate the value of x
Paul [167]

Answer:

x = 3

Step-by-step explanation:

Mathematically, the mean is the sum of the numbers divided by the count of the numbers

The count of the numbers is 5

Thus;

( 4 + 8 + 9 + x + 2x)/5 = 6

(21 + 3x)/5 = 6

21 + 3x = 6(5)

21 + 3x = 30

3x = 30-21

3x = 9

x = 9/3

x = 3

7 0
3 years ago
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