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sashaice [31]
3 years ago
15

Solve each given equation and show your work. Tell whether it has one solution, an infinite number of solutions, or no solutions

, and identify each equation as an identity, a contradiction, or neither.
A) 6X plus 4X -6 = 24+ 9X

B) 25 - 4X = 15 - 3X +10 - X

C) 4X +8 = 2X +7+ 2X -20

Mathematics
1 answer:
Natali [406]3 years ago
4 0
I hope this helps you

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A taco charges $2.50 plus a fee of $0.05 for each mile traveled. If the ride costs $7.50, how many miles was the ride?
Nikolay [14]

Answer:

100 miles

Step-by-step explanation:

7.50-2.50=5.00

100x0.05=5.00

6 0
3 years ago
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What is 1/8y as a verbal expression
Alenkinab [10]
An algebraic expression consists of one or more numbers and variables, for 1/8y it will be y+1/8
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3 years ago
A and B are similar solid cylinders base area of A : base area of B = 9 : 25
fomenos

Answer:

Two figures are similar if the figures have the same shape but different sizes.

Then if we have two figures X and X'

Such that one dimension of X is D, the correspondent dimension on X' will be:

D' = k*D

Such that k is the scale factor that relates the figures.

1:k

Because all the dimensions will be rescaled by the same scale factor k, we can conclude that any surface on X will be related to the same surface in X' by:

S' = k^2*S

then the ratio of the surfaces is:

1:k^2

While the relation between the volumes will be:

V' = k^3*V

Here the ratio is:

1:k^3

Ok, in this case we have two cylinders

We know that the ratio between the base area ( a surface) is:

9:25

a) We want to find the ratio: curved surface area of A : curved surface area of B

Because again we have a surface area, the ratio should be exactly the same as before, 9:25

b) height of A : height of B

In this case, we have a single dimension.

Because in the rescaling of a surface we need to use k^2, then we can conclude that the ratios:

9:25

is related to k^2

Then the ratio, in this case, is given by applying the square root to both sides of the previous ratio, so we get:

√9:√25

3:5

This is the ratio of the heights.

Also from this we could get the value of k, that is the right value when we leave the left value equal to 1, we can get that if we divide both sides by 3.

(3/3):(5/3)

1:(5/3)

Then:

k = 5/3

7 0
3 years ago
the table describes some of the solutions of the inequality 3m>21. Which graph best describes the solutions of 3m>21?
Travka [436]

Answer:

Option 3

Step-by-step explanation:

Given inequality is,

3m\geq 21

To find the solutions of the given inequality solve this inequality first.

\frac{3m}{3}\geq \frac{21}{3}

m\geq 7

This inequality will be represented by an arrow starting from 7 and directing towards infinity.

Since, inequality is having a sign notation of greater than equal to, arrow will start with a dark circle located at 7.

Therefore, Option 3 (from the top) will be the answer.  

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HELP ASAP PLEASE Question 1 Part A What inference can be made about the "Using Our Imaginations" section in the Newsela article
Dafna11 [192]

The answer to the first one is A and the second one is D

(I took the test)

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