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Sedaia [141]
2 years ago
6

Solve the system of equations. 3x – 7y = 5 9y = 5x + 5

Mathematics
1 answer:
Ulleksa [173]2 years ago
3 0
The answer X= -10 y= -5
Hope this is helpful
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210 students were asked whether they want to go to a water park or a roller skating rink for a class party.
Brrunno [24]

Answer:

60.3

Step-by-step explanation:

hope this helps

4 0
3 years ago
1. Calculate the volume of a cube with the following measurements. Length = 5 cm Height = 10 cm Width = 16 cm 800 cubic cm 400 c
Finger [1]

Answer:

800

Step-by-step explanation:

lol ain't even a cube das a rectangle

3 0
2 years ago
Kim owes her friend $245 and plans to pay $35 per week. write an equation for the function that shows the amount Kim owes after
nevsk [136]

35x=245

so you would divide both sides by 35

x=7

so it would take her 7 weeks or 1 month and 3 weeks to pay her friend back

Brainliest please

7 0
3 years ago
Factor 3a^3 + 18a² + 8a + 48 completely.
fomenos

Answer:

(3a2 + 8) • (a - 6)

Step-by-step explanation:

STEP 1:

Equation at the end of step 1

 (((3 • (a3)) -  (2•32a2)) +  8a) -  48

STEP  2:

Equation at the end of step 2:

 ((3a3 -  (2•32a2)) +  8a) -  48

STEP 3:

Checking for a perfect cube

3.1    3a3-18a2+8a-48  is not a perfect cube

Trying to factor by pulling out :

3.2      Factoring:  3a3-18a2+8a-48

Thoughtfully split the expression at hand into groups, each group having two terms :

Group 1:  8a-48

Group 2:  -18a2+3a3

Pull out from each group separately :

Group 1:   (a-6) • (8)

Group 2:   (a-6) • (3a2)

              -------------------

Add up the two groups :

              (a-6)  •  (3a2+8)

Which is the desired factorization

Polynomial Roots Calculator :

3.3    Find roots (zeroes) of :       F(a) = 3a2+8

Polynomial Roots Calculator is a set of methods aimed at finding values of  a  for which   F(a)=0  

It would only find Rational Roots that is numbers  a  which can be expressed as the quotient of two integers

The Rational Root Theorem states that if a polynomial zeroes for a rational number  P/Q   then  P  is a factor of the Trailing Constant and  Q  is a factor of the Leading Coefficient

In this case, the Leading Coefficient is  3  and the Trailing Constant is  8.

The factor(s) are:

of the Leading Coefficient :  1,3

of the Trailing Constant :  1 ,2 ,4 ,8

3 0
3 years ago
Please can someone help me?
Alex17521 [72]
Your plan would be to use all the clues to slim down your choices.

The secret number is 53. Because Its not green, it has a 3 in the ones place, and it is greater than 50
8 0
2 years ago
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