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adoni [48]
3 years ago
13

HELP HELP HELP!!!

Mathematics
1 answer:
Alchen [17]3 years ago
8 0

Answer:

y = 2x - 25

Step-by-step explanation:

First find the gradient, we can see it goes through (30,35) and 35,45), and since gradient is found by 'change in y / change in x' we can do: (45-35) / (35-30) = 10/5 = 2

So we know we are looking for an equation with 2x in it.

We have two options: y = 2x - 25 and y = 2x - 75.

Plug in one of the points and see which of the equations works.

Replacing y with 35 and x with 30 in the first equation we have: 35 = 2(30) - 25 = 60 - 25 = 35, this is indeed true.

However if we did the same with the second equation: 35 = 2(30)-75 = 60 - 75 = -15, this is false since 35 does not equal -15, so it can't be the second equation.

In conclusion it must be y = 2x - 25

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Three pirates named Ahab, Sparrow, and Davy play a game. The pirates have a total of 210 coins, and each pirate has a different
Alika [10]

Step-by-step explanation:

at the end of game, sparrow has \frac{5}{4+5+6} \times 210=70 coins. since he loss 5+7=12 coins, then at the beginning he has 70+12=82 coins

3 0
3 years ago
Solve the equation 6(n −1) + 2 = n(4 + 2) + 4.
Flura [38]

Answer:

No solution.

Step-by-step explanation:

6(n −1) + 2 = n(4 + 2) + 4

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3 years ago
Change the subject of the equation v = u + at to a.
emmasim [6.3K]
<h3>Answer ↓</h3>

<h3>Calculations ↓</h3>

In order to make a the subject of this equation , we need to get a by itself .

The current equation is :

v = u + at

Subtract u on both sides :

v-u=at

Now, divide by t on both sides :

v-u/t=a

<h3>So the formula looks like ↓</h3>

\boxed{\\\begin{minipage}{3cm}Equation \\ a=$\displaystyle\frac{v-u}{t} $ \\ \end{minipage}}

hope helpful ~

8 0
3 years ago
Can someone help please? i don’t know the answer.
Tasya [4]

Answer:

C) 119.75 + 2.25p <= 500; p <= 169

Step-by-step explanation:

My friend, for this problem you must realize that there is a fixed cost of 119.75 that we add always. Then $2.25 per pastry manufactured is also part of the total costs. Thus, we add both of them where p represents pastry to get 119.75 + 2.25p.

But, the question says the shopkeeper would like to stay under or be exactly at $500 for total costs. Thus, for this inequality, we set this equation as being <u>less than equal to 500.</u>

<u />

Solve for p by adding 119.75 on both side and dividing both sides by 2.25 afterwards and you get 169.

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3 years ago
What is the area of a quadrilateral with vertices at (2,-4), (4,-4), (2,1), and (4, 1).
Rudik [331]
It would be 4,1 squared units so it would be D.
7 0
3 years ago
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