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uysha [10]
3 years ago
11

Y=x+1 y+x=5 Cant figure out what i am suppose to do with this problem

Mathematics
2 answers:
exis [7]3 years ago
8 0

Answer:can you give me more detail

Step-by-step explanation:

MAXImum [283]3 years ago
7 0

Answer:

x=2, y=3

Step-by-step explanation:

y+x=5, subtract x from both sides you get, y=-x+5

since y also equals x+1, you can tell x+1=-x+5,

add x to both sides you get, 2x+1=5

subtract 1 from both sides you get, 2x=4

divide both sides by 2 and you get, x=2.

Now sub in 2 for x in any of the equations to get y.

y=x+1. y=(2)+1, y=3.

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Suppose that the world's current oil reserves is
SOVA2 [1]

Answer:

  A)  R = 1900 -24t

  B)  1684 billion barrels

  C) 79.17 years

Step-by-step explanation:

<h3>A)</h3>

Reserves start at 1900 billion barrels and decrease by 24 billion barrels each year. The value for t=0 is 1900; the value for t=1 is 24 less.

  R = 1900 -24t

__

<h3>B)</h3>

For t=9, the reserves will be ...

  R = 1900 -24(9) = 1900 -216 = 1684 . . . . billion barrels

__

<h3>C)</h3>

The reserve will be 0 when ...

  0 = 1900 -24t

  24t = 1900 . . . . . add 24t

  t ≈ 79.17 . . . . divide by 24

Reserves will be gone in about 79.17 years.

5 0
2 years ago
Round 5.830951895 I WILL MARK U AS BRAINLIEST ;)
MAXImum [283]

to the nearest tenth: 5.8

to the nearest hundredth: 5.83

to the nearest thousandth: 5.831

4 0
3 years ago
Read 2 more answers
What is the answer to 10-(8p+3)=9(2p-5) ?
aniked [119]

Use distribution.
10 - (8p + 3) = 10 - 8p - 3 = 7 - 8p
9(2p - 5) = 18p - 45

So...
-8p + 7 = 18p - 45
Subtract 7 from both sides
-8p = 18p - 52
Subtract 18p from both sides
-26p = 52
Divide both sides by -26.
p = -2

There's your answer :D

6 0
3 years ago
Read 2 more answers
What is the unit rate of km per hour in the example below?
Alekssandra [29.7K]

Maybe 28kms in 1 hour

Or 2,8kms because 7/10 is 0,7km

3 0
3 years ago
Identify the isosceles triangle below along with the base angles
Svetradugi [14.3K]
Part A:

From the figure shown.

The measure of line TH = 14' 72" = 14' + 72" / 12 = 14' + 6' = 20'

Given that the measure of line HI = 20'

Thus, triangle THI is an isosceles triangle with line TI as the base.



Part B:

To find the base angles we use the Pythagoras theorem.

Recall that the perpendicuar bisector of an isosceles triangle divides the triangle into two equal right triangles.

Dividing the base into two gives 22.5' / 2 = 11.25'

Thus, the perpendicular bisector divides the isosceles triangle into two equal right triangles with base of 11.25' and hypothenus of 20'.

By pythagoras theorem,

\cos\theta= \frac{11.25}{20} =0.5625 \\  \\ \theta=\cos^{-1}0.5625=\bold{55.77^o}

Therefore, the base angles is 55.77 degrees.
8 0
3 years ago
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