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aleksandr82 [10.1K]
3 years ago
14

What is the rate of change of the following equation? y = 5x + 4​

Mathematics
1 answer:
almond37 [142]3 years ago
7 0

Answer:

5

Step-by-step explanation:

Rate of change of the equation y = 5x + 4 can be obtained by differentiating it with respect to x.

\because \: y = 5x + 4 \\  \therefore \:  \frac{dy}{dx}  =  \frac{d}{dx} (5x + 4) \\ \\    = 5 \frac{d}{dx} x + \frac{d}{dx} 4 \\  \\  = 5 \times 1 + 0 \\ \therefore \:  \frac{dy}{dx}   = 5 \\

Hence, rate of change of y = 5x + 4 is 5.

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Explain why the two figures below are similar. Use complete sentences and provide evidence to support your explanation. (10 poin
alekssr [168]

Answer:

<em>The two figures are similar as  the ratio of corresponding distances and slope of corresponding lines are EQUAL.</em>

Step-by-step explanation:

Noting the coordinates of points,

C(-1,6), D(3,4) , E(2,3) , F(3,0), G(1,-2) , A(0,1) , B(-2,2)

J(4.5,3.5), K(6.5,2.5), L(6,2), M(6.5,0.5) , N(5.5,-0.5) , H(5,1) , I(4,1.5)

using the distance formula = \sqrt{(x-x1)^{2} + (y-y1)^{2} }

we find that,

CD=\sqrt{20} and JK=\sqrt{5}

thus, ratio of CD to JK is 2.

Similarly find ratio of DE to KL and so on, the ratio remains same.

Further one can even comment on the slopes of corresponding lines been equal.

Thus the figures turn out to be similiar to each other

7 0
3 years ago
A bag contains 7 blue, 4 yellow, 4 green, and 5 red marbles. Find the probability of choosing a green marble without looking. Ma
Naddik [55]

Answer:

1/4

Step-by-step explanation:

total balls=7+4+4+5=20

probability of green marble=?

green marbles are 5 so,

       Probability=number of favourable outcomes / number of all possible outcomes

   total outcomes=20

green ball chances=5

       =5/20

          =1/4

3 0
3 years ago
What is the difference between the profits Mr.Brown's store earned in the first quarter and the third quarter?
Paladinen [302]
The answer is A, because $9,841.28 minus $7,429.84 is <span>$2,411.44</span>
8 0
3 years ago
Read 2 more answers
A : 98<br> B : 31.1<br> C : 14 <br> D : 9.9<br><br><br> Please help :(
irina [24]

Hope you could understand.

If you have any query, feel free to ask.

4 0
2 years ago
you catch 50 fish from the lake tag and release them. teh next day you catch 20 fish and find 6 with tags on them what si teh ex
scZoUnD [109]

seee the answer below

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3 years ago
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