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valina [46]
3 years ago
11

P=m/1+rt solve for t

Mathematics
2 answers:
blagie [28]3 years ago
5 0
I assume you mean:

P=m/(1+rt)  multiply both sides by (1+rt)

P(1+rt)=m  perform indicated multiplication on left side

P+Prt=m  subtract P from both sides

Prt=m-P  divide both sides by Pr

t=(m-P)/(Pr)
WITCHER [35]3 years ago
5 0
Hello there! Thank you for asking your question here at Brainly. I will be assisting you with answering this question, and will teach you how to handle it on your own in the future.

(1) First, let's take a look at what we're dealing with.

We have an equation; 
P = m/1 + rt, solve for t.

(2) Understand the problem, and know how to handle it.

Since we're solving for t, we need to isolate t by performing the opposite order of operations on the side that t is on.

(3) Take action once procedures (1) and (2) are understood/done.

P = m/1 + rt
We can get rid of the "1" in the equation, as multiplying anything by 1 does nothing.
Now we have:
P = m + rt

Now, we need to subtract m from both sides to isolate rt.

P - m = rt
Now to solve for t and the problem overall, we need to divide both sides by r.
\frac{P - m}{r} = t

Your final solution for t is:

t = \frac{P - m}{r}

Remember your 3 steps:
(1) Examine what you're dealing with.
(2) Understand the problem that's been given to you, and how to handle it.
(3) Apply the proper steps to come to your solution.

I hope this helps!
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Assume that T is a linear transformation. Find the standard matrix of T. T: R^3 right arrow R^2 , T(e 1) =(1,2), and T(e2 ) =( -
irina [24]

Answer:

A = \left[\begin{array}{ccc}1&-4&2\\2&6&-6\end{array}\right]

Step-by-step explanation:

Given

T:R^3->R^2

T(e_1) = (1,2)

T(e_2) = (-4,6)

T(e_3) = (2,-6)

Required

Find the standard matrix

The standard matrix (A) is given by

Ax = T(x)

Where

T(x) = [T(e_1)\ T(e_2)\ T(e_3)]\left[\begin{array}{c}x_1&x_2&x_3\\-&&x_n\end{array}\right]

Ax = T(x) becomes

Ax = [T(e_1)\ T(e_2)\ T(e_3)]\left[\begin{array}{c}x_1&x_2&x_3\\-&&x_n\end{array}\right]

The x on both sides cancel out; and, we're left with:

A = [T(e_1)\ T(e_2)\ T(e_3)]

Recall that:

T(e_1) = (1,2)

T(e_2) = (-4,6)

T(e_3) = (2,-6)

In matrix:

(a,b) is represented as: \left[\begin{array}{c}a\\b\end{array}\right]

So:

T(e_1) = (1,2) = \left[\begin{array}{c}1\\2\end{array}\right]

T(e_2) = (-4,6)=\left[\begin{array}{c}-4\\6\end{array}\right]

T(e_3) = (2,-6)=\left[\begin{array}{c}2\\-6\end{array}\right]

Substitute the above expressions in A = [T(e_1)\ T(e_2)\ T(e_3)]

A = \left[\begin{array}{ccc}1&-4&2\\2&6&-6\end{array}\right]

Hence, the standard of the matrix A is:

A = \left[\begin{array}{ccc}1&-4&2\\2&6&-6\end{array}\right]

6 0
3 years ago
Please help me! Will give points and mark brainliest answer. I have been stuck on this for a while too. Will give 30 points.
garri49 [273]

Answers:

1A. You see, every amount of T shirts costs 5.5 times more than it's amount. So if "n" is the number of shirts and "C" is what it costs, then the equation must be C=5.5n.

1B. Idon't know how to graph it here sorry.

1C. You have to look back to the equation. It has our coefficient (5.5n) on one side and C on the other,so the answer is just 5.5n. Now the questions says 120 shirts so (120)5.5 equals 660.

1D. I just did

7 0
3 years ago
Consider the function g(x) =-3(x-2) 2 + 3 what is the vertex
Margarita [4]

Answer:

The vertex is (2, 3)

Step-by-step explanation:

This is because the parent equation for problems like these is y=a(x-h)2 +k. The vertex is found through (h, k) and so with 2 as H and 3 as K, the vertex is (2,3).

4 0
2 years ago
What is z if -1/3+2z=-5/6?
Wittaler [7]
-1/3+2z=-5/6
-2/6+2z=-5/6
Add 2/6 to both sides:
2z=-3/6
2z=-1/2
Divide both sides by 2
z=-1/4

Hope this helps :)
7 0
3 years ago
The sales tax in the town where Amanda lives is 8%. Amanda paid $40 in sales tax on a new stereo. What was the price of the ster
dusya [7]
$500, 40 divided by 8=5, 5x100= 500
6 0
2 years ago
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