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3 years ago

SYSTEMS OF EQUATIONS- How many solutions?

Mathematics

1 answer:

RSB [31]3 years ago

6 0

Answer:

0ne solution; x = 5

Step-by-step explanation:

if y equals both 5x - 10 and 10 + x then you can do the following:

5x - 10 = 10 + x

4x = 20

x = 5

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Solve the given equation. 29n + 2 = 16

Olenka [21]

Answer:

14/29

Step-by-step explanation:

29n+2=16

first you subtract 2 from itself (we have o zero ii out) and from the 16

29n=14

divide 14 by 29

what ever you get from dividing 14 by 29 (14/29) is what n equals

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4 years ago

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14. Please help. What is the length of PQ⎯⎯⎯⎯⎯⎯⎯⎯?<br> Enter the correct value.

Pepsi [2]

Answer:

The correct value is 5.

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4 years ago

GUYS I NEED HELP ASAP!!!<br><br> Help me solve ?

Shalnov [3]

Solution:

$$h=\frac{ A-2\pi r^2}{2\pi r }$

Given data:

$A=2\pi r^2+2\pi r h$

Let us determine what is h using given A.

$A=2\pi r^2+2\pi r h$

Subtract $2\pi r^2$ on both sides of the expression.

⇒ $A-2\pi r^2=2\pi r^2+2\pi r h-2\pi r^2$

⇒ $A-2\pi r^2=2\pi r^2-2\pi r^2+2\pi r h$

⇒ $A-2\pi r^2=2\pi r h$

Divide both sides of the expression by $2\pi r$ .

$$\frac{ A-2\pi r^2}{2\pi r }=\frac{2\pi rh }{2\pi r }$

$$\frac{ A-2\pi r^2}{2\pi r }=h$

$$h=\frac{ A-2\pi r^2}{2\pi r }$

Option C is the correct answer.

Hence $$h=\frac{ A-2\pi r^2}{2\pi r }$ .

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4 years ago

Shryia read a 480-page-long book cover to cover in a single session, at a constant rate. After reading for 1.5 hours, she had 40

svet-max [94.6K]

Answer:

The required equation is $P(t) = -52t + 480$

Step-by-step explanation:

Consider the provided information.

Let P represent the number of pages left to read after t hours.

Shryia read a 480-page-long book cover to cover in a single session, at a constant rate. After reading for 1.5 hours, she had 402 pages left to read.

Total number of page Shryia read in 1.5 hours is:

480-402 = 78

It is given that the rate is constant i.e 1.5 hours,

Therefore, she read 78 pages in 1.5 hours.

She can read $\frac{78}{1.5} = 52$ page per hour

The required equation is:

$P(t) = -52t + 480$

Where t represents the number of hours.

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3 years ago

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Which of the following coordinates represent a point on the y-axis.Choose all that apply. (pick two)

Sergeeva-Olga [200]

The think it will be a and b.

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4 years ago

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