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3 years ago

Find the solution of this system of equations -2x+3y=-3 and -2x-5y=-75

Mathematics

1 answer:

julsineya [31]3 years ago

7 0

Answer:

please see the attached picture for full solution..

Hope it helps...

Good luck on your assignment...

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Look at the image below

boyakko [2]

Answer:

201.1 km²

Step-by-step explanation:

Surface area of the figure,

4πr²

= 4×π×4²

= 64π

= 201.1 km² (rounded to the nearest tenth)

4 0

3 years ago

Choose 3 ratios in simplest form. 3:9

Sonja [21]

Answer:

Step-by-step explanation:

1:3

6:18

9:27

are all equivlent ratios

7 0

3 years ago

2. Writing a set in Roster Method means you list the elements of sets inside the braces separated by commas; while writing the s

ra1l [238]

The sets can either be presented in set builder form or roaster form. The

given sets presented in the required form are;

a. The set B is the set of days in the week that starts with letter S

Therefore;

The elements of B are; Saturday, Sunday

In roster method, we have; B = {<u>Saturday, Sunday</u>}

In set builder notation, we have; B = {<u>x | x is a days in the week that starts with letter S</u>}

b. C is the set of letters in PHILIPPINES

In roster form, we have; <u>C = {P, H, I, L, I, P, P, I, N, E, S}</u>

In set builder notation, we have; <u>C = {Letters in the word PHILLIPINES}</u>

Learn more here:

brainly.com/question/13642904

6 0

2 years ago

A garden table and a bench cost $689 combined. The garden table costs $39 more than the bench. What is the cost of the bench?

Wittaler [7]

Shusneusnsidjdjdhufnjfjdjdidj

5 0

2 years ago

Please help and show work if you can

krok68 [10]

Answer:

7. x = 5

8. x = 2, y = 6

9. x = 21, y = 39

Step-by-step explanation:

For a parallelogram, the lengths across intersection are equal.

7. For a parallelogram, the lengths across intersection are equal.

So that,

3x = 4x - 5

4x - 3x = 5

x = 5

8. For a parallelogram, the lengths across intersection are equal.

So that,

2x = 4

x = $\frac{4}{2}$

x = 2

and

y - 1 = 2y -7

7 - 1 = 2y - y

y = 6

x = 2, y = 6

9. For a parallelogram, opposite angles have equal value.

Thus,

3x = (4x - 21)

3x = 4x - 21

x = 21

and

3y = (y + 78)

3y = y + 78

3y - y = 78

2y = 78

y = $\frac{78}{2}$

= 39

y = 39

x = 21, y = 39

4 0

2 years ago