-4=-2/3u solve for U

Answers

Answer 1

Answer:

Answer:

u = 6

Step-by-step explanation:

$-(2)/(3)u=-4\qquad\text{change the signs}\n\n(2)/(3)u=4\qquad\text{multiply both sides by}\ (3)/(2)\n\n(3\!\!\!\!\diagup^1)/(2\!\!\!\!\diagup_1)\cdot(2\!\!\!\!\diagup^1)/(3\!\!\!\!\diagup_1)u=4\!\!\!\!\diagup^2\cdot(3)/(2\!\!\!\!\diagup_1)\n\nu=(2)(3)\n\nu=6$

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Solve the system using elimination.
3x + 5y = 55
5x + 4y = 57

Answers

Answer:

x=5, y=8. (5, 8).

Step-by-step explanation:

3x+5y=55

5x+4y=57

---------------

5(3x+5y)=5(55)

-3(5x+4y)=-3(57)

-------------------------

15x+25y=275

-15x-12y=-171

---------------------

13y=104

y=104/13

y=8

3x+5(8)=55

3x+40=55

3x=55-40

3x=15

x=15/3

x=5

Simplify. –10.5 – (–5.3) + 20.2

A.
36

B.
–36

C.
15

D.
–4.4

Answers

so you take -10.5+5.3+20.2=??

-10.5+5.3=-5.2

-5.2+20.2=15

Ur Answer Is 15

Did I Help??

Hope I Did!!

-10.5-(-5.3)+20.2
=-10.5+5.3+20.2
=15

.
..

Which graph below has an Euler Circuit ?

Answers

The graph from the image attached that has an Euler Circuit is option d.

Note that Euler circuit path must have at least 2 odd Numbers and the others can be even numbers. From the above image (Option d), we can see that the Vertices have

A = 3
B = 3
C = 2
D = 4
E = 2

What is a Euler circuit?

An Euler circuit is known to be a kind of circuit that moves over all the edges at once and is said to often takes place once and begins and ends its process in the same place/point.

From the above, we can see 2 odd numbers (3) and the rest are even. So therefore, option d is correct.

Learn more about Euler Circuit from

brainly.com/question/96508

Answer:

Its a

Step-by-step explanation:

Solve each proportion: 3/5 = 6/x+3 and 5/x-3 = 10/x

Answers

3/5 = 6/x +3
⇒ 6/x = 3/5 -3
⇒ 6/x = -2.4
⇒ x= 6/(-2.4)
⇒ x= -2.5

5/x -3 = 10/x
⇒ 5/x -10/x = 3
⇒ -5/x = 3
⇒ x= -5/3

Hope this helps~

PLZ HELP on THIS QUESTION

Answers

its a rectangle cut the corners

After sales tax is added the total cost of a $58 purchase $61.48 what is the sales tax rate on the purchase?

Answers

total cost of a $58 and purchase $61.48

so the sales tax percentage = ((61.48 - 58)/58)100 = 6% (ans)

Answer:

$12.21

Step-by-step explanation:

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