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serg [7]
3 years ago
9

In November mr lees students read 50 books in December they read 40 books what is the percent increase or decrease in the number

of books they read
Mathematics
2 answers:
Y_Kistochka [10]3 years ago
8 0

Answer:

decresaes 10%

Step-by-step explanation:

raketka [301]3 years ago
7 0

10% decrease is the answer bb :)

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consider the equation is Y equals 1/square root of x and y=x-2. approximate solution of the system equations
emmasim [6.3K]

Answer:

x=1 and x=4

Step-by-step explanation:

We have the following system of equations:

y=\sqrt{x} and y=x-2

To solve the problem, we need to equal the two equations:

x-2=\sqrt{x} ⇒ (x-2)^{2} =x ⇒ x^{2} -4x + 4 = x  

⇒ x^{2} -5x + 4 = 0  

So you need to find two numbers that added equal to 5 and multiplied equal to 4. These two numbers are x=-1 and x=-4.

Then, the factorized form of the polynomial is: (x-1)(x-4).

The, the solution to the system of equations is: x=1 and x=4.

5 0
3 years ago
Find the quotient of 2.632 · 104 and 2 · 10-7.
faust18 [17]
<span> 2.632 x 10^4  ÷  2 x 10-7 =

1.316 x 10^11


</span>
5 0
3 years ago
Read 2 more answers
How man 1/3 cups make 3/4 cups
Sati [7]

Answer:

it would take 2.25 1/3 cups if you are looking for an exact answer, or if you are looking for the minimum amount of 1/3 cups necessary to make 3/4 it would be 3.

Step-by-step explanation:

You can solve this by cross multiplying 1/3 and 3/4

You will get 9/4 which simplifies to 2 1/4 or 2.25

8 0
2 years ago
decide whether enough information is given to prove that the triangle is congruent using the SAS congruence theorem. if so, writ
Paladinen [302]

Answer:

Step-by-step explanation:

Given:

ΔCAD and ΔCBD

∠A ≅∠B (Angle)

AD ≅BD (Side)

From the graph we see that

CD≅CD (Side)

because of reflexive propriety ( a line segment is congruent with itself)

If you put in order those congruencies we have SSA witch does NOT prove congruence.

we not use SAS because the angle between the sides is not congruent

8 0
2 years ago
4 times as much as 3 is blank
NeX [460]

Answer:

12

Step-by-step explanation:

4 times 3 is 12.

4+4+4=12

5 0
2 years ago
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