How many solutions does the equation −5a + 5a + 9 = 8 have?None
One
Two
Infinitely many

Answers

Answer 1
Answer:

Answer:

Option A is correct

None

Step-by-step explanation:

Like terms are those terms which have same variable to the same power.

Given the equation:

-5a+5a+9=8

Combine Like terms;

0+9 = 8

9 = 8      False.

This statement is false for any values of x

therefore, the given equation does not have any solution.

Answer 2
Answer: Hello,

Answer A: None
0a+9=8
==>9=8 equation impossible 0 solution


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Tanisha cut a triangle with angles of 62°, 30°, and 88° in three pieces so that each piece had one angle of the triangle. She arranged the three angles connected together such that the three corners of the triangle were all touching. What type of angle was formed and what does this show?

Answers

The right answer for the question that is being asked and shown above is that: "180 - line." Tanisha cut a triangle with angles of 62°, 30°, and 88° in three pieces so that each piece had one angle of the triangle.She arranged the three angles connected together such that the three corners of the triangle were all touching. 

How do you write 72.5% as a fraction in simplest form

Answers

The 72.5% as a fraction in simplest form is (29/40)

What is the fundamental principle of multiplication?

Multiplication is the mathematical operation that is used to determine the product of two or more numbers. If an event can occur in m different ways and if following it, a second event can occur in n different ways, then the two events in succession can occur in m × n different ways.

We have to write 72.5% as a fraction in simplest form.

So we put 72.5 over 100

That is (72.5/100)

Now multiply the top and the bottom by 10 to get rid of the decimal, giving;

725/1000

Then divide the top and bottom by like factors,

5 (145/200)

Then another 5,

29 over 40 (29/40)

Hence, the 72.5% as a fraction in simplest form is (29/40)

Learn more about multiplications;

brainly.com/question/14059007

#SPJ5

So you put 72.5 over 100 (72.5/100)
Then you multiply the top and the bottom by 10 to get rid of the decimal, giving you 725/1000
Then you divide the top and bottom by like factors, starting with 5 (145/200)
Then another 5, giving you 29 over 40 (29/40)

Point D(−1, 5) is reflected across the x-axis.Which statements about D' are true?

Select each correct answer.

The y-coordinate is−5.

The x-coordinate is −1.

The y-coordinate is 5.

The x-coordinate is 1.

Answers

Answer-

The coordinates of D' are (-1, -5)

Solution-

The coordinates of D are (-1, 5).

While reflecting any points across the x-axis with coordinates as (x, y) becomes, (x, -y). i.e sign of y-coordinate changes.

The rule is (x, y) → (x, -y)

Applying so, after reflecting point D, its reflection D' will have coordinates as (-1, -5)

Therefore, the y-coordinate is -5.


The answers are A and B, -5 and -1. Hope this helps!

(y 3 - 125) ÷ (y - 5)

Answers

(y3 - 125 ) / (y-5 ) 
get the factor of (y3 - 125) 
((y - 5 ) * ( y2 +5y + 25)) / (y-5) 
so the answer is (y2 +5y +25)

The total price of a shirt and a cap is $11. If the price of the shirt was doubled and the price of the cap was 3 times its original price, the total price of a shirt and a cap would be $25. What is the price of a shirt and a cap?A)Price of a shirt is $9, and price of a cap is $2.
B) Price of a shirt is $10, and price of a cap is $1.
C) Price of a shirt is $8, and price of a cap is $3.
D) Price of a shirt is $7, and price of a cap is $4.

Answers

Answer:

C. Price of a shirt is $8, and price of a cap is $3.

Step-by-step explanation:

Let us assume the

initial cost of each shirt = x

initial cost of each cap = y

The total price of a shirt and a cap is $11.

i.e x+y=11  

\Rightarrow y=11-x  ----------------1

As the price of the shirt was doubled and the price of the cap was 3 times its original price, so

new cost of each shirt = 2x

new cost of each cap = 3y

The total price of a shirt and a cap would be $25.

i.e 2x+3y=25  --------------2

Putting the value of y from eq 1, in eq 2

\Rightarrow 2x+3(11-x)=25

\Rightarrow 2x+33-3x=25

\Rightarrow 2x-3x=25-33

\Rightarrow -x=-8

\Rightarrow x=8

Putting it in eq 1,

\Rightarrow y=11-8=3

Therefore, price of a shirt is $8, and price of a cap is $3.

Ok got it the answer is C) 8 x 2 = 16     3 x 3 = 9
so 16 plus 9 is 25

a big cruise ship dropped anchor off the Caribbean island of antigua. the heavy anchor dropped into the water at a rate of 2.5 meters per second after 45 seconds the anchor was 40 meters below the waters surface. from what height above the water surface was the anchor released? how long did it take the anchor the reach the water surface?

Answers


Falling at the rate of 2.5 m/s for 45 seconds, the anchor fell

                                     (2.5 m/s) x (45 s)  =  112.5 meters .

If it wound up only 40 meters underwater, then it must have fallen

                                      (112.5 m  -  40 m)  =  72.5 meters

from its storage position on the big cruise ship, 
before it ever reached the water.

Since it was falling at the rate of  2.5 m/s, it took

                                     (72.5 m) / (2.5 m/s)  =  29 seconds

to get down to the water surface after it started dropping.