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3 years ago

Graph the line with the equation.

Mathematics

2 answers:

AysviL [449]3 years ago

4 0

Answer:

the graph

Step-by-step explanation:

hey , look at the other question

Orlov [11]3 years ago

3 0

Answer:

Step-by-step explanation:

you start graphing the line with the y-intercept in this case start (0,2) then from there you use the slope to keep on doing points on the graph, in this case the slope Is -1/3 so you go down 1 and 3 to the right.

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4:3=x:6, find the value of x please help me

natima [27]

Answer:

x=8

Step-by-step explanation:

4:3=x:6

Multiply the first set by 2

4*2 : 3*2

8:6

That means x =8

7 0

4 years ago

Solve for a side in right triangles

elena55 [62]

Answer:

4.50 = ?

Step-by-step explanation:

Since this is a right triangle, we can use trig functions

sin theta = opposite / hypotenuse

sin 40 = ? / 7

Multiply each side by 7

7 sin 40 = ?

4.499513268 = ?

To the nearest hundredth

4.50 = ?

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4 years ago

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Flauer [41]

Answer:

ikik

Step-by-step explanation:

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3 0

4 years ago

3 more than 3 times a number is equal to 12 less than 6 times the number. what is the number?

lorasvet [3.4K]

Answer:

Step-by-step explanation:

5 0

3 years ago

Read 2 more answers

A tank contains 100 gal of brine made by dissolving 80 Ib of salt in water. Pure water runs into the tank at the rate of 4 gal/m

ohaa [14]

Answer:

Step-by-step explanation:

Amount of brine = 100 gal

amount of salt = 80 lb

rate of water running = 4 gal / min

Let A be the amount of salt in lb in the tank at any time t.

(a) dA/dt = rate of salt in - rate of salt out

Rate of salt in = 0

rate of salt out = A x 4 / 100 = A / 25 lb/min

So, dA/dt = 0 - A/25 = - A/25 lb/min

$\frac{dA}{A}=-\frac{1}{25}dt$

$\int \frac{dA}{A}=-\frac{1}{25}\int dt$

$A(t) = C e^{-0.04t}$

When t = 0, A = 80 lb

So,

$A(t) = 80 e^{-0.04t}$

(b) Now, A = 40 lb

So,

$40 = 80 e^{-0.04t}$

$0.5 = e^{-0.04t}$

take log on both the sides

$ln 0.5 = - 0.04 t$

t = 17.3 minutes

8 0

3 years ago