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topjm [15]
3 years ago
5

I need help please :)

Mathematics
1 answer:
givi [52]3 years ago
5 0
11x9=99
11x7=77
7x5/2=35/2
99+99+77+35/2+35/2= 310

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The following system of equations is graphed below.
navik [9.2K]
One way is subsitute
I like solving

so

what you do is this
add the equaitons to gether to eliminate x

2y=x+5
<u>3y=-x-3 +</u>
5y=0x+2
5y=2
y=2/5

sub back


2y=x+5
2(2/5)=x+5
4/5=x+5
minus 5
4/5-25/5=x
-21/5=x

the point is (x,y) or
(-21/5,2/5)
aprox
(-4.2,0.4)
I think they wanted you to read the garph you should have attached and guess the answer
the closes one is
hmm, x=-3
and y=1

so then D is the answer

3 0
3 years ago
Is -2t^2+3t+4 in standard form
Paul [167]

Answer:

-2t^2+3t+4 or -2t^2+3t^1+4t^0

Step-by-step explanation:

The equation is already written in standard form.

You write the largest exponents to the left and the smallest to the right.

<u>Your expression: </u>-2t^2+3t+4<u> can also be expressed as this below:</u>

-2t^2+3t^1+4t^0

t to the first power means mutiplying by t

t to the 0 power mean mutiplying by 1 or basically you get the same result

If t was 2...

3t= 3(2)=6\\3t^1=3(2)^1=3(2)=6

Same result:

4=4\\4t^0=4(2)^0=4(1)=4\\

8 0
4 years ago
Which of the following statements could be translated to the equation n - 5 = -2
GarryVolchara [31]

Answer:

7

Step-by-step explanation:

1, Add 5+2

2, That's your answer

7 0
3 years ago
(08.02)The coordinate grid shows the plot of four equations.
Setler79 [48]
The answer is A and B

8 0
3 years ago
Can someone help me solve this ???
babunello [35]

Answer:

y = 4 x = 12

Step-by-step explanation:

The blue square I started on my own and ended with a calculator

5 0
3 years ago
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