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dlinn [17]
4 years ago
13

Solving equations with variables on both sides. Check answer pls

Mathematics
2 answers:
Agata [3.3K]4 years ago
6 0
5(y_4)=7(2y+1)
5y_20=14y+7
_27=9y
y=_3
Law Incorporation [45]4 years ago
3 0
Okay so first you distribute to both sides(the arrows). then you subtract 5y to both sides and bring everything down. then you subtract 7 to both sides and get -27=9y and divide by 9 to get the y alone .

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X - 32.2 = 18.5 how do you solved this
Salsk061 [2.6K]

x-32.2= 18.5

Add 32.2 to both sides

x-32.2+32.2 = 18.5 + 32.2

x = 50.7

I hope that's help !


Check your answer

replace x by its number

50.7-32.2= 18.5

18.5 = 18.5

so the answer is good .


Please let me know if you have question(s) !


3 0
3 years ago
In right triangle XYZ, ∠Y is the right angle and m∠X = 60°. If YZ = 4, what is XY?
daser333 [38]

Answer:

B is the best answer

The question is illustrated with the attached figure.

Required

Determine XY

To solve for XY, we make use of the tan function, which states that:

tan\theta = \frac{Opposite}{Hypotenuse}tanθ=

Hypotenuse

Opposite

In this case:

tan\ 60= \frac{YZ}{XY}tan 60=

XY

YZ

Substitute 4 for YZ

tan\ 60= \frac{4}{XY}tan 60=

XY

4

Make XY the subject

XY= \frac{4}{tan\ 60}XY=

tan 60

4

tan\ 60 =\sqrt 3tan 60=

3

So, the expression becomes:

XY = \frac{4}{\sqrt 3}XY=

3

4

Rationalize:

XY = \frac{4 * \sqrt 3}{\sqrt 3 * \sqrt 3}XY=

3

∗

3

4∗

3

XY = \frac{4\sqrt 3}{3}XY=

3

4

3

6 0
3 years ago
Two expressions are shown below. Explain whether or not expressions P and Q are equivalent
bulgar [2K]

Answer:

I don't see any expressions shown below.

Step-by-step explanation:

8 0
3 years ago
2+2 i need help please help fast fast help
kow [346]

Answer:

uhhhhhh i think its..... 4

Step-by-step explanation:

4 0
3 years ago
Read 2 more answers
Which equation could be the first step in solving 4x+11/3=5x
ZanzabumX [31]

Move 5x to the left so it would turn into a negative 5x

4 0
3 years ago
Read 2 more answers
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