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TiliK225 [7]
3 years ago
5

What is the inverse of 5y+4= (x+3)2 + Ź?

Mathematics
1 answer:
saul85 [17]3 years ago
7 0
The answer is f−1(x)=5x2−z2−1
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Mm
Novay_Z [31]

Answer:

x + 2(2x-4) = 10

Step-by-step explanation:

Here in this question, we want to select which is the correct answer if we substitute for the value of y in the second equation, using the first.

In the first, we have;

y = 2x -4

Now, let’s input this value of y into the second equation.

By direct substitution, what we have is the following;

x + 2y = 10

—-> x + 2(2x -4) = 10

8 0
3 years ago
Pls how do you verify this ​
aev [14]
Plug 15 in for x i think
3 0
3 years ago
Read 2 more answers
Multiply 5x^3(2x^4-x^3+3)
julia-pushkina [17]

Answer:

10x^7-5x^6+15x^3

Step-by-step explanation:

Distribute the 5x^3 to all the terms

8 0
3 years ago
A survey asked people which kind of pet they owned. The results are shown in the table below. Of the women who were surveyed, wh
bagirrra123 [75]
The answer is 0.139
hope this helps
5 0
3 years ago
Read 2 more answers
Solve a triangle when A=15° B=113° and b=7?
JulsSmile [24]

Let us draw a triangle ABC with A=15° ,B=113° and b=7.

Please see the attached image.

We know that the sum of interior angles of a triangle is 180 degrees. Thus, we have

A+B+C=180\\
\\
15+113+C= 180\\
\\
C=62^{\circ}

Apply Sine rule in the triangle ABC, we get

\frac{a}{\sin 15}= \frac{7}{\sin 113}\\
\\
a=\frac{7 \sin 15}{\sin 113}\\
\\
a=1.97\\
\\
\text{Again apply sine rule, we get}\\
\\
\frac{c}{\sin 62}= \frac{7}{\sin 113}\\
\\
c=\frac{7 \sin 62}{\sin 113}\\
\\
c=6.71

Therefore, we have

a=1.97\\
c=6.71\\
C=62^{\circ}


4 0
3 years ago
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