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4 years ago

Drag the correct steps into order to evaluate t + 8 • 4 for t = 2.

Mathematics

2 answers:

Andru [333]4 years ago

6 0

Step-by-step explanation:

Simplify the expression:

t + 8 · 4 = t + 32

Put t = 2 to the expression:

2 + 32 = 34

Your steps:

gayaneshka [121]4 years ago

4 0

Answer:

Step-by-step explanation:

Step 1:

t+8*4

Now put the value t=2

Step 2:

2+8*4

According to the DMAS rule multiplication will be solved first:

Step 3:

=2+32

Now add the terms:

Step 4:

=34....

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Given f(x)=4/5x + 13, find the inverse f-¹(x)<br>Given f(x)= 3/x+10 + 4 find the inverse f-¹(x)

Elodia [21]

f-¹(x) = 69/5y
f-¹(x) = 13 + 4y/(y + 10)

<h3>How to determine the inverse </h3>

The steps involved in determining the inverse of a function are;

Replace f(x) with y in the equation describing the function
Interchange x and y
Solve for y
Replace y by f-1(x)

If f(x) = 4/5x + 13

y = 4/5y + 13

y = 4 + 65 /5y

f^-1 = 4 + 65 /5y

f^-1(x)= 69/5y

If f(x)= 3/x+10 + 4

y = 3/y + 10 + 4

y = 3 + 4y + 10/(y + 10)

y = 13 + 4y/(y + 10)

f^-1(x) = 13 + 4y/(y + 10)

Thus, the inverse of the functions is 69/5y and 13 + 4y/(y + 10)

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5 0

2 years ago

Solve the equation by completing the square-x^2-14x+24=0

Georgia [21]

Pretty sure it's (x-7)^2 - 25.

3 0

3 years ago

Read 2 more answers

F = uv/u + v make u the subject

never [62]

I'm assuming that you mean

$\dfrac{uv}{u+v}$

because if you meant

$\dfrac{uv}{u}+v$

then u would simplify and you couldn't make it the subject.

Under this assumption, we start with

$F=\dfrac{uv}{u+v}$

We multiply both sides by $u+v$

$F(u+v)=uv$

We expand the left hand side:

$Fu+Fv=uv$

We move all terms involving u to the left and all terms not involving u to the right:

$Fu-uv=-Fv$

We factor u on the left hand side:

$u(F-v)=-Fv$

We divide both sides by $F-v$

$u=\dfrac{-Fv}{F-v}$

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4 years ago

PLEASE HELP FAST!!!

grigory [225]

Answer:

x = 9

Step-by-step explanation:

Since the figures are similar then the ratios of corresponding sides are equal, that is

$\frac{x-1}{6}$ = $\frac{16}{12}$ ( cross- multiply )

12(x - 1) = 96 ( divide both sides by 12 )

x - 1 - 8 ( add 1 to both sides )

x = 9

7 0

3 years ago

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Which irrational number is closest to the number 5?

blsea [12.9K]

Answer:

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