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Fittoniya [83]
3 years ago
12

What’s the slope? thanks if you help me :)

Mathematics
1 answer:
IceJOKER [234]3 years ago
6 0
Y=1/2X + 1 so 1 is the slope
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Solve the system by substitution.<br> 2.5x-3y=-13<br> 3.25x-y=-14
MrMuchimi

Answer:

x=-4

y=1

Step-by-step explanation:

For the given system of equations,

2.5x-3y=-13.....eqn(1)

3.25x-y=-14.....eqn(2)

We first make y the subject of eqn (2)

This implies that,

y=3.25x+14.....eqn(3)

We substitute eqn (3) into eqn (1)

2.5x-3(3.25x+14)=-13

2.5x-9.75x-42=-13

-42+13=9.75x-2.5x

-29=7.25x

Dividing through by 7.25, we obtain

x=-4

We now put the value of x into eqn (2)

3.25(-4)-y=-14

This implies that,

-13+14=y

y=1

4 0
3 years ago
Please help me solve correct one gets Brainliest -6x+30
Finger [1]

Answer:

Factor −6x+30

−6x+30

=6(−x+5)

Step-by-step explanation:

That's all there is

6 0
3 years ago
Sandy and sally were able to paint a a at house in 5 hours together: it takes sally 9 hours to finish this job alone. Without he
OLEGan [10]

Answer:

9/44 of an hour, or just over 12 minutes

Step-by-step explanation:

Person 1 + Person 2 divided by Person 1 x Person 2 = Both together

9 + x / 9*x = 5

9+x/9x = 5

Multiply both sides by 9x

9 + x = 45x

Subtract x from both sides

9 = 44x

Divide by 44 to get x.

9/44 of an hour

5 0
3 years ago
Please help!<br> If it's not any of the multiple choice please tell me
Vesnalui [34]
Its not any of them. The answer is 48. She did it completely wrong
-4/9(-9/4)=x/100(-9/4)

the next step would be:
-1=-9x/432
Then the answer would be 48 since you would multiply by 432 and divide by -9
6 0
3 years ago
The rate of a piece of gift paper is Rs.0.40 per paper. How many pieces of paper can we purchase for Rs.78.40?
svet-max [94.6K]
Dddfidididididididdidiiddiidididid
3 0
3 years ago
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