What is the solution to the system of equations:

x=2y-8
4x+y=13

Answer:

Your answer is B

Step-by-step explanation:

Here you go mate

Step 1

2w + 5w - 6 + 4w  Equation/Question

Step 2

2w + 5w - 6 + 4w  Simplify

2w + 5w - 6 + 4w

Step 3

2w + 5w - 6 + 4w  Combine the like terms

(2w+5w+4w)+(-6)

Step 4

(2w+5w+4w)+(-6)  Add them

Answer

11w-6

Hope this helps

Answer:

this is a required answer.

The given identity is proved.

Trigonometric Identities are the equalities that involve trigonometry functions and holds true for all the values of variables given in the equation

According to the given question we have a trigonometry identity.

[tex]cos(x)cos(y)[tan(x)+tan(y)] = sin(x+y)[/tex]

To prove the above the identity, we show that R.H.S = L.H.S

So,

[tex]L.H.S = [cos(x)cos(y)][tan(x)+tany(y)][/tex]

[tex]\implies L.H.S = [cos(x)cos(y)][\frac{sinx}{cosx} +\frac{siny}{cosy} ][/tex]

[tex]\implies L.H.S = [cos(x)cos(y)][\frac{sinxcosy+sinycosx}{cosxcosy} ][/tex]

[tex]\implies L.H.S = cos(x)cos(y) \frac{sin(x)cos(y)+sin(y)cos(x)}{cos(x)cos(y)}[/tex]

[tex]\implies L.H.S = sin(x)cos(y)+ sin(y)cos(x)[/tex]

[tex]\implies L.H.S = sin(x+y)...(i)[/tex]

And from the given trigonometry identity,

[tex]R.H.S = sin(x+y)..(ii)[/tex]

Therefore,

L.H.S = R.H.S

⇒ [tex]cos(x)cos(y)[tan(x)+tan(y)] = sin(x+y)[/tex]      (proved)

Hence, the given identity is proved.

Find out more information about trigonometric identities here:

https://brainly.com/question/12537661

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Answer:

1,3%

Step-by-step explanation:

[tex]x^{20} * 710 = 920\\x^{20} = 1.3\\x = 1.013[/tex]

Answer:

NO CLUE

Step-by-step explanation:

UR WELCOME

A quadrilateral has 4 sides and 4 angle.

The sum of the 4 angles need to equal 360 degrees.

4th angle = 360 - 25-40-90

4th angle = 205 degrees.

Answer:

possible lengths

45 and 2

3 and 20

5 and 18

15 and 6

10 and 9  

there perimeter will be

94

46

46

27

38

answer to this question is  15 and 6

Answer:

A, 4

B, 0

Step-by-step explanation:

gcf = 4

32-28 = 4 (4-4) = 4(0) = 0

can i get brainliest?

Answer: a4 b0

Step-by-step explanation:

gcf = 4

32-28 = 4 (4-4) = 4(0) = 0

Answer:

Solution,

tan45 = [tex]\frac{u}{v}[/tex]

or, 1 =  [tex]\frac{u}{v}[/tex]

or, v = u

Now,

Using Pythagoras Theorem,

[tex](8\sqrt{2})^{2} = u^{2} +v^{2}\\or, 128 = u^{2} +u^{2}\\or, 128 = 2u^{2}\\or, u^{2} = 64\\\\or, u = 8cm = v[/tex]

Step-by-step explanation:

[tex] \underline{ \underline{ \text{Given}}} : [/tex]

[tex] \underline{ \underline {\text{To \: find}}} : [/tex]

[tex] \underline{ \underline{ \text{Solution}}}\: [/tex] :

[tex] \tt{sin \: \theta = \frac{p}{h}} [/tex]

⟶ [tex] \tt{ \sin(45 \degree) = \frac{u}{8 \sqrt{2} } }[/tex]

⟶ [tex] \tt{ \frac{1}{ \sqrt{2} } = \frac{u}{8 \sqrt{2}} } [/tex]

⟶ [tex] \tt{ \sqrt{2 \: } u = 8 \sqrt{2}} [/tex]

⟶ [tex] \tt{u = \frac{8 \sqrt{2} }{ \sqrt{2}} } [/tex]

⟶ [tex] \tt{u = 8}[/tex]

Again ,

[tex] \tt{tan \: \theta = \frac{p}{b}} [/tex]

⟶ [tex] \tt{ \tan(45 \degree) = \frac{8}{v}} [/tex]

⟶ [tex] \tt{1 = \frac{8}{v}} [/tex]

⟶ [tex] \tt{v = 8}[/tex]

[tex] \red{ \underline{ \boxed{ \boxed{ \text{Our \: final \: answer : \boxed{ \tt{u = 8 \: and \: v = 8}}}}}}}[/tex]

Hope I helped ! ♡

Have a wonderful day / night ! ツ

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Answer:

X=4

Step-by-step explanation:

8*2=16

since equilateral it has to be 4*4

welcome brainliest pls

Answer:

15 degrees

Step-by-step explanation:

So you know that the sum of the two angles is 90 degrees, so you can make an equation:

[tex]3x + 45 =90[/tex]

Then, solve:

subtract 45 from both sides

[tex]3x = 45[/tex]

divide both sides by 3

[tex]x = 15[/tex]

This means that x = 15 degrees

Answer:

The answer is 15 degrees.

Step-by-step explanation:

1) Do you see the little square symbol at the bottom right corner? That represents that the angle is a right angle, or a 90 degree angle, in other words.

2) If you know that the first part of the angle is 45 degrees, as it is already labeled, then subtract 90 degrees - 45 degrees = 45 degrees, which is the angle that is left.

3) Set 3x equal to 45 degrees, and solve.

4) So, the equation is 3x = 45; divide by 3 on both sides to get x = 15 degrees.

Hope this helps! Feel free to give me Brainliest if you feel this helped. Have a good day, and good luck on your assignment. :)

Answer:

c

Step-by-step explanation:

Answer:

C. 36π

Step-by-step explanation:

π·r^2=area

Answer:

Q bc in decimal form its about 3.16 or something

Step-by-step explanation:

:)

Answer:

$8320

Step-by-step explanation:

3.25% of 256000 = 0.0325 × 256000 = 8320

Answer:

1) 1/10

2)16/100

3)6..../10

4) 3/5

Pls give me brainliest I rly need it!

Step-by-step explanation:

Answer:

$99.5

Step-by-step explanation:

Add up all the dollar amounts and subtract 30%

Answer:

Subtotal: $122     Total: $36.60

Step-by-step explanation:

Since you're only looking for the subtotal and not the actually total, you just have to add $15.00 + $32.00 + $75.00 and you should get $122. Although if you were looking for the total then you would have to know what 30% of 122 is and you should get 36.60 as the result so it would cost $36.60

Hope this helps you :D

Answer:

simplify the expression:

8 + 18w

Step-by-step explanation:

i hope this helps!

Answer: 8 + 18w

Step-by-step explanation: PLs mark me as brainlisti have great day

Answer:

3+1.2c≥13.50       c≥8.75

Step-by-step explanation:

Answer:

it is 4.8 .................

Answer:

Meter is the answer as per the question

Answer:

a) 12 minutes

b) 5 tasks

Step-by-step explanation:

Answer:

70-45=25

70-25=45

Step-by-step explanation:

45+25=70

forty-five plus twenty-five equals seventy because if you ignore the fives and save those for later you will have forty and twenty and forty and twenty makes sixty and then you bring back the fives and add those together and get ten, then you add ten to sixty and you get seventy.  

Answer:

48 inches

Step-by-step explanation:

64 - 16 = 48 inches

Answer:

y = 4x + 2

Step-by-step explanation:

Please let me know if you want me to add an explanation as to why this is the answer. I can definitely do that, I just wouldn’t want to write it if you don’t want me to :)

Answer:

The range is the set of all valid y values. Use the graph to find the range.

Interval Notation:

(−∞,∞)

Set-Builder Notation:

{y|y∈R}

Step-by-step explanation:

Answer:

0.125

Step-by-step explanation:

Hope this is helpful

Answer:

75cm

Step-by-step explanation:

Well, I can't see a photo, so I'll have to assume that the description provides enough info.

10cm/2km = x/15km,

where x is the distance on the map (in centimeters) of a real-life distance of 15 kilometers.

10cm/2km = x/15km

10/2 = 5/1

This means we have to multiply 5 by 15 to find x.

x = 5 · 15

x = 75

Let's plug the new value back in...

10cm/2km = x/15km

10cm/2km = (75cm)/15km

(Simplify each side to its simplest form)

10cm/2km = 75cm/15km

5/1 = 5/1

It works! So x = 75cm.

Hope this helps! :)