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motikmotik
3 years ago
14

Find the gradient from this equation 2x + 5y = 1​

Mathematics
1 answer:
slega [8]3 years ago
8 0

Answer:-2/5

Step-by-step explanation:

Now the above equation can be rewritten as 5y= -2x+1

Dividing this expression through by 5, we have 5y/5 = -2x/5 + 1/5

y= (-2/5)x + 1/5

Comparing with the general equation of a line;

y = mx + c; m= gradient; C= constant along the y-axis

m= -2/5

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What is the value of x?​
guajiro [1.7K]

Answer:

x ≈ 8.66

Step-by-step explanation:

Using the sine ratio in the right triangle

sin60° = \frac{opposite}{hypotenuse} = \frac{x}{10}

Multiply both sides by 10

10 × sin60° = x, thus

x ≈ 8.66 ( to 2 dec. places )

4 0
3 years ago
The perimeter of a playing field for a certain sport is 300ft. The field is a rectangle, and the length is 48ft longer than the
lara31 [8.8K]

Answer:

Width of the rectangular field =102 feet

Step-by-step explanation:

Perimeter of the field= 300feet

Length of the field= 48 feet

Width=?

Perimeter of a rectangular field= 2(Length+Width)

                                            300= 2(48+Width)\\\\150=48+Width\\\\Width=150-48\\\\Width=102 feet

The Width of the rectangular field is 102 feet

4 0
3 years ago
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HELP PLEASE LOOK AT PICTURE
solniwko [45]

Answer:

It decreases.

Step-by-step explanation:

10 / d

Lets say that it was 10 / 40, which is 10 divided by 40, 0.25.

Now, it has increased to twice the amount of that.

1 / 80, 10 divided by 80, which is 0.125

So, it decreases.

4 0
4 years ago
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adelina 88 [10]

Answer:

B

Step-by-step explanation:

80*17=1360/choice B

5 0
3 years ago
PLS PLS PLS PLSSSSS HELPPPP
ioda

Answer: 14

Step-by-step explanation:

Okay so it asks in all, which means morning distance + afternoon distance

We got the afternoon distance so now we have to find the morning one

it says the afternoon distance (6), is 25% less than the morning distance.

Which means the afternoon distance is 0.75 of the morning distance.

so 0.75x = 6, x = 6/0.75 = 8

Then you add 8 to 6 to get 14

6 0
3 years ago
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