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omeli [17]
2 years ago
11

Just a quick question:

Mathematics
1 answer:
Vinvika [58]2 years ago
4 0

You need to subtract the rate of decay from 1.

The equation would be 800(1-0.2)^x = 800(0.80)^x

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I don’t know how to do this ! Help?
dybincka [34]

Answer:

The information we need is that the angle between the sides (that is, angle TVU for triangle TVU and angle WVX for triangle WVX) need to be equal.

These angles are vertically opposite angles, because they are formed by two lines crossing, so these angles are equal.

Step-by-step explanation:

The SAS Congruence Theorem says that if two triangles have 2 equal sides and the angle between these sides are also equal, the triangles are congruent.

In this question, we know that the sides UV and VW are congruent, as V is the midpoint of UW. We also know that TV = VX, so now we have two equal sides for each triangle.

The information we need is that the angle between the sides (that is, angle TVU for triangle TVU and angle WVX for triangle WVX) need to be equal.

These angles are vertically opposite angles, because they are formed by two lines crossing, so these angles are equal.

Now we can conclude that the triangles are congruent.

7 0
3 years ago
Given f (x) = 4x2 – 8x + 14 and g(x) = 5x + 3:<br> Find (gºf)(4)
Svetlanka [38]

Answer:

If this answer is correct please make me as a brainlist

5 0
3 years ago
Which expression is equivalent to a + (c + 7)?
Vikki [24]

Answer:

(a+c)+7

Step-by-step explanation:

this is called the Associative Property

(x+y)+z=x+(y+z)

3 0
3 years ago
Read 2 more answers
What is the solution of the system? Use elimination.
Anit [1.1K]
Note that if we add each side of the 2 equations, y will cancel out:

-12x-y+(17x+y)=6+4

5x=10

x=2


Substituting x=2 in either of the equations, we find the value of y.

Let's use the first equation:

-12x-y=6

-24-y=6

-y=24+6

-y=30, so y=-30.

Thus, the solution is (2, -30)

Answer: C
6 0
3 years ago
A linear equation is an equation whose graph is a straight line
DaniilM [7]

Answer:

True

Step-by-step explanation:

Plotting the point of any linear equation on a graph gives a straight line

7 0
2 years ago
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