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2 years ago

Help mee answer the question

Mathematics

1 answer:

Helga [31]2 years ago

8 0

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What is the solution to the system? x + y = 4 x+y=1

Lelechka [254]

Given :

x + y = 4
x + y = 1

To Find :

The value of x and y.

Answer :

x + y = 4 ....[Equation (i)]
x + y = 1......[Equation (ii)]

Adding eqⁿ (ii) and eqⁿ (i) we get :

→ x + y + x - y = 4 + 1

→ 2x = 5

→ x = 5/2

→ x = 2.5

Now, put the value of x = 5/2 in eqⁿ (i) we get :

→ x + y = 4

→ 5/2 + y = 4

→ y = 4 - 5/2

→ y = 1.5

4 0

3 years ago

Calculate ZQRP 12 cm Р R 18 cm

olya-2409 [2.1K]

Answer:

48 °

Step-by-step explanation:

The following data were obtained from the question:

Adjacent = 12 cm

Hypothenus = 18 cm

Angle R =?

We can obtain angle R by using cosine ratio. This can be obtained as follow:

Cos R = Adjacent / Hypothenus

Cos R = 12 / 18

Cos R = 0.6667

Take the inverse of Cos

R = Cos¯¹ 0.6667

R = 48 °

Thus, <QRP = 48 °

4 0

3 years ago

How do I answer this question?

irakobra [83]

You do 2x 4 and that = 8

4 0

3 years ago

Read 2 more answers

Morgan is walking her dog on an 8-meter-long leash. She is currently 500 meters from her house, so the maximum and minimum dista

muminat

if you are supposed to divide, 500/8= 62.5

7 0

3 years ago

Read 2 more answers

Find y of this triangle.

kvasek [131]

Answer:

y =52

Step-by-step explanation:

We know that the angles 4x and 5x make a straight line

4x+5x = 180

9x = 180

Divide by 9

9x/9 = 180/9

x = 20

The three angles of a triangle make 180

y + 48 +4x = 180

y + 48+4(20) =180

y + 48 +80 = 180

Combine like terms

y +128 = 180

Subtract 128 from each side

y + 128-128 = 180-128

y =52

8 0

3 years ago