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kumpel [21]
3 years ago
11

The graph of a direct variation equation passes through the point (4,6). Write the direct variation equation and find the value

of y when x=24​
Mathematics
1 answer:
wlad13 [49]3 years ago
3 0

Answer:

y = 26

Step-by-step explanation:

Write the direct variation equation.

y = ax

Substitute y for 6 and x for 4.

The new equation is:

6 = a(4)

Simplify:

6 = 4a

Divide by 4 on both sides to get a = 6/4.

________________________________

y = 6/4(24), 6/4 x 24 is 104/4. 104/4 is 26.

y = 26

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Does the point (-9,-4) satisfy the equation y = x + 5?
ozzi

Answer:

Yes it satisfies the equation

Step-by-step explanation:

Let, P(x,y) = (-9,-4)

Then, x = -9

         y = -4

if we use this value in the equation, we will get L.S = R.S ;(-4 = -9 + 5)

So, the point satisfies the equation

Hope you have understood this

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5 0
3 years ago
When making a fruit salad, a chef chooses 7 fruits from 10 that are in season. how many different fruit salads can the chef crea
Furkat [3]
For this example, we must combine not permutate; this because a salad in which you first use apple then tomato is the same as the one in which you use first tomato then apple, so order does not matter.

Me must do "10 combine 7" which is written by the binomial coefficient (_{7} ^{10}); in general a binomial coefficient is written by:
(_{k} ^{n})= \frac{n!}{k!(n-k)!}

In which n and k are positive integers, such that n\ \textgreater \ k.

So, for this problem:
(_{7} ^{10})= \frac{10!}{7!(10-7)!}=\frac{10!}{7!3!}= \frac{10*9*8}{3*2}=10*3*4=120

Hence, there are 120 different ways to make the fruit salad.
5 0
3 years ago
17. Four identical bags of cement and a
pogonyaev
The mass of each bag of cement is 16.5 kg. Check photo for steps and details, hope this helped! Please mark brainliest if you think this was helpful c:

5 0
3 years ago
X + y = -1<br> X - y = 7
enyata [817]
1: Solve for either x or y in one of the equations. So x + y = -1 is y = -x -1
2: substitute the new equation in the opposite equation. So x - (-x - 1) = 7
3: distribute the negative. X + x + 1 = 7
4: combine like terms. 2x + 1 = 7
5: solve for x. Subtract 1 on both sides. 2x = 6
6: divide by 2 to get x by itself. X = 3
7: plug the new value of x into one of the ORIGINAL equations. 3 + y = -1
8: solve for y. Subtract 3 on both sides.
Y = -4
9: the solution is written as (x,y) so the solution would be (3, -4)
4 0
4 years ago
Does anybody know the answer???
Rasek [7]

Answer:

Rectangle

Step-by-step explanation:

According to this grapher that I am using it shows a rectangle using your coordinates

Please give brainliest

6 0
4 years ago
Read 2 more answers
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