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____ [38]
3 years ago
5

CAN SOMEONE PLEASE HELP ME ASAP!!

Mathematics
1 answer:
Helga [31]3 years ago
7 0

Answer:

D

Step-by-step explanation:

i dont really know man im sorry

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Kesha bought a new pair of skis for $450. She made a payment of $120 and got a student discount of $45. Her mother paid 1/2 of t
Nikitich [7]
Kesha has to pay $142.5 if i got it wrong my apologies
5 0
3 years ago
Read 2 more answers
Sarah bought an autographed football for $300. The value of the football has increased $50 every year since she purchased the fo
shutvik [7]

Answer:

D

Step-by-step explanation:

300+50t=v

3 0
3 years ago
Solve algebraically the simultaneous equations<br><br> X^2 + Y^2 =25<br> Y-2X = 5
Georgia [21]

Answer:

Therefore the solutions are

x=0\\and\\ y =5\\\\Or\\\\x=-4\\and\\y=-3

Step-by-step explanation:

Given:

x^{2} + y^{2} =25 .........( 1 )

y-2x = 5\\y=2x+5     ................( 2 )

To Find:

x = ?

y = ?

Solution:

Substituting ' y ' in Equation  1 we get

x^{2}+(2x+5)^{2} =25

Using identity (A+B)²=A²+2AB+B² we get

x^{2}+4x^{2}+20x+25=25\\\\5x^{2}+20x=0\\5x(x+4)=0\\5x=0\ or\ x+4=0\\x=0\ or\ x= -4

Now Substitute x =0 in equation 2 we get

y=2\times 0+5=5

Or

Now Substitute x =-4 in equation 2 we get

y=2\times -4+5=-3

Therefore the solutions are

x=0\\and\\ y =5\\\\Or\\\\x=-4\\and\\y=-3

4 0
4 years ago
What is 87.319 to the nearest tenth?
EleoNora [17]

Answer:

87.3

The answer to get 87.3 is to see if the number in the hundredths  place (this case 1) is bigger or the same as the value of 5. If it is round the tenth up but if not then cut the rest of the numbers off.      

4 0
3 years ago
Which ordered pair is a solution of this equation? -6x + y = 35 Click on the correct answer. (-1,-7 (-6,-1) (-1,-6) (-7,-1)​
nikklg [1K]

Answer:

The ordered pair (-6, -1) is the only solution.

Step-by-step explanation:

-6x + y = 35

Let's plug in the points.

(-1, -7) --> -6(-1) - 7 = 6 - 7 = -1 which does not equal 35

(-6, -1) --> -6(-6) -1 = 35

(-1, -6) --> -6(-1) - 6 = 0 which does not equal 35

(-7, -1) --> -6(-7) - 1 = 41 which does not equal 35

8 0
3 years ago
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