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Diano4ka-milaya [45]
3 years ago
12

How do you solve the system by substitution? y = 4x + 24 y = 5x

Mathematics
2 answers:
makkiz [27]3 years ago
3 0
Set up a new equation of 5x=4x+24 and solve it should be x=24
7nadin3 [17]3 years ago
3 0
So first you know that y=5x, then put this in the first equation instead of y, so it will be 5x=4x+24, and you just move the 4x to the other side of the equation, and you get 5x-4x=24, and finally, x=24.
I hope this will be useful to you ;)
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Which answer describes the transformation of f (x) = x^2 −1 to g(x)=(x+2)^2−1 ?
pentagon [3]
Answer: A horizontal translation 2 units to the left

In this case, we are changing the variable x before it is being squared. This will have the effect of changing the input of the function. Imagine input 2 into the equation. Your first step would be to add 2. Therefore, you would need to start with a negative 2 to get us back to 0, or the beginning.

Since -2 is to the left of 0, the graph is moving 2 units to the left.
7 0
3 years ago
Angles A and B are complementary angles in a right triange. The value of cos(A) is 12/13. What is the value of Tan(A)
Orlov [11]
Using the pythagorean identity, we can find the value of sin(A)

cos^2(A) + sin^2(A) = 1
(12/13)^2 + sin^2(A) = 1
144/169 + sin^2(A) = 1
sin^2(A) = 1 - 144/169
sin^2(A) = 169/169 - 144/169
sin^2(A) = (169 - 144)/169
sin^2(A) = 25/169
sin(A) = sqrt(25/169)
sin(A) = 5/13

Which is then used to find tan(A)

tan(A) = sin(A)/cos(A)
tan(A) = (5/13) divided by (12/13)
tan(A) = (5/13)*(13/12)
tan(A) = (5*13)/(13*12)
tan(A) = 5/12

The final answer is 5/12

5 0
3 years ago
The table shows transactions from five different bank accounts.
lisabon 2012 [21]

Answer:

 New Account Balance ($)

Acc #         Old Acc Balance ($)      Trans Amount ($)      New Acc Balance ($)

1                       352                                       -48                      304

2                      432                                      +80                      512

3                       75                                       -100                     -25

4                       40                                        52                       12

5                      -10                                        -20                     -30

5 0
3 years ago
Solve x^2 + 5x + 6= 0
Anestetic [448]

x = -3 or x = -2

Step-by-step explanation:

x² + 5x + 6 = 0

(x + 3)(x + 2)

x = -3 \/ x = -2

6 0
3 years ago
Read 2 more answers
Explain how to solve 5^(x − 2) = 8 using the change of base formula log base b of y equals log y over log b.
Ray Of Light [21]

Answer:

x = 3.3

Step-by-step explanation:

A equation is given to us and we need to solve out for x. The given equation is ,

Take log on both sides with base as " 10" . We have ,

Simplify using the property of log ,  , we have ,

Simplify ,

Again simplify using the property of log ,

We know that log 5 = 0.69 and log 2 = 0.301 , on substituting this , we have ,

Simplify the RHS ,

Add 2 both sides ,

Hence the Value of x is 3.30 .

3 0
2 years ago
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