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Wittaler [7]
4 years ago
5

2X-5Y= 7 Need help :/

Mathematics
2 answers:
satela [25.4K]4 years ago
4 0

Answer:

Step-by-step explanation:

no, the answer is negative 3 i think

Likurg_2 [28]4 years ago
4 0

Answer:

re

Step-by-step explanation:

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The derivative of the function f is given by f′(x)=−3x+4 for all x, and f(−1)=6. Which of the following is an equation of the li
dybincka [34]

Answer:

You are correct. The answer is y=7x+13

Step-by-step explanation:

First, we need to plug in our x value to the derviative's equation to find the slope of the line tangent to the graph, f

f'(x)=-3x+4\\\\f'(-1)=-3(-1)+4\\\\f'(-1)=3+4\\\\f'(-1)=7

Now that we have found the slope and have a given point: (-1,6) we can use the point slope formula to find the equation of the line tangent to the graph f.

y-6=7(x+1)\\\\y-6=7x+7\\\\y=7x+13

3 0
3 years ago
The axis of symmetry of the graph of y = -(x+4)2 -6 is<br><br> = 6<br> x = -4<br> x = -6<br> x = 4
Monica [59]

Answer:

x=-4

Step-by-step explanation:

The axis of symmetry is a vertical line through the vertex with. It is written as x = h where h is the x-coordinate of the vertex.

Here the vertex is (-4,-6). So the axis of symmetry is x = -4

6 0
3 years ago
There are 12 pens and 24 pencils in the container consider this statement for every 2 pens there are 4 pencils do you agree with
maria [59]
Yes that statement is correct because 12 is half of 24 and 2 is half of 4
7 0
3 years ago
Read 2 more answers
The following picture shows two gears meshed together with the arrows lined up. Gear A has 48 teeth, while gear B has 28 teeth.
spin [16.1K]

Answer:  12

<u>Step-by-step explanation:</u>

The LCM of 48 and 28 is 336

It would take 336 ÷ 28 = 12 revolutions of gear B

and 336 ÷ 48 = 7 revolutions of gear A

to match up the arrows.

3 0
3 years ago
Simplify the expression. (–2 – c)(–1)
mafiozo [28]
Distribute it, a(b+c) = ab+ac
=(-2-c)(-1)
= (-2)(-1)+(-c)(-1)
= 2+c
6 0
3 years ago
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