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balu736 [363]
3 years ago
13

Find the sum. (1/5x-5)+(2/5x-6)=

Mathematics
1 answer:
valkas [14]3 years ago
8 0

Answer:

\frac{3}{5}x-11

Step-by-step explanation:

(\frac{1}{5}x-5)+(\frac{2}{5} x-6)

=\frac{1}{5}x-5+\frac{2}{5} x-6

=\frac{3}{5}x-11

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Which ordered pair (x, y) is the solution to the given system of linear equations?
anygoal [31]

Answer:

(-1,0)

Step-by-step explanation:

3(-1)+3(0)=-3

-3+0=-3

-3=-3

-2(-1)+(0)=2

2+0=2

2=2

4 0
3 years ago
A group of friends decided to buy a bulk of chocolate from a candy store if some friends each want 1 half of a kilogram of choco
notsponge [240]
12 People would be able to have 1 half kilogram of chocolate. 
In order to solve this problem you have to multiply 6 by 2. There are two halves in a whole. 6 times 2 is equal to 12. 
7 0
3 years ago
Kendall received dollars for his birthday. Joshua received dollars for his birthday. Which of the following is true?
12345 [234]
<span>Kendall's birthday money = Joshua's birthday money</span>
5 0
2 years ago
If f(x)=x^4+3x^3-x^2+6, find f(-3).
docker41 [41]

Answer:

f(-3) = -3

Step-by-step explanation:

Step 1: f(x) means "f of x" and f(-3) means "f of -3", so you have to replace all the "x" letters in the function with the value -3.

f(x)=x^4+3x^3-x^2+6\\f(-3)=(-3)^4+3(-3)^3-(-3)^2+6

Step 2: Apply the exponents. <em>Make sure you remember to put in the -3 and not just 3.</em>

f(-3)=81+3(-27)-9+6

Step 3: Use BEDMAS rules to complete the calculation.

f(-3)=81-81-9+6

f(-3)=-3

Therefore the answer is f(-3) = -3.

4 0
3 years ago
Help me with this question please
IRISSAK [1]

We have consecutive odd numbers for the sides of a triangle, perimeter 201.  We could write an equation, but clearly the middle side is 201/3 = 67, so the other two sides are 65 and 69.

This is almost an equilateral triangle, angles around 60 degrees, so not obtuse, meaning one angle over 90 degrees.

Scalene means the sides are all different lengths; we didn't even have to solve the problem to know this is true.

Smallest side 61, false.

Largest side 69, true.

This last one doesn't make much sense to me.  What's a unit here?  Dilation of 1/3 means all the linear measures become 1/3 as big, including the perimeter.  It would decrease much more than 3 inches, since it would go from 201 inches to 67 inches.  If I have to answer I'd go with false.


5 0
3 years ago
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