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Olin [163]
2 years ago
6

F(t)=t^2-3t g(t)=2t+1 find f(g(t))

Mathematics
1 answer:
statuscvo [17]2 years ago
7 0

Answer:

f (2t + 1) = 4t^{2} - 2t - 2

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Which of the following is the solution set of x² + 8x + 12 = 0?
raketka [301]

Answer:

\fbox{\begin{minipage}{9em}x = -2 and x = -6\end{minipage}}

Step-by-step explanation:

Given:

x^{2} + 8x + 12 = 0

Solve for:

x

Solution:

Step 1: Select the formula to solve for x

There are some ways to solve quadratic equations.

One of the simple way (if possible) is performing the factorization.

Another way is using the quadratic formula.

Here, we are going to use factorization.

Step 2: Perform factorization

      x^{2} + 8x + 12 = 0

<=>x^{2}  +  2x + 6x  + 12 = 0

<=>(x^{2} + 2x) + (6x + 12) = 0

<=>x(x + 2) + 6(x + 2) = 0

<=>(x + 2)(x + 6) = 0

<=> x = -2 or x = -6

Hope this helps!

:)

4 0
2 years ago
What is 25 1/2 divided by 6 1/4
Kisachek [45]
4.08, or 4 2/25 :) hope this helps
6 0
3 years ago
Read 2 more answers
Which set of angles are complementary
Deffense [45]

Answer:

A. <ECF and <BCF

Step-by-step explanation:

Complementary angles are angles that add up to give 90°

m<BCE = m<BCA = 90° (right angles)

m<ECF + m<BCF = m<BCA

m<ECF + m<BCF = 90° (Substitution)

Therefore, <ECF and <BCF are complementary angles.

6 0
2 years ago
Help me please. Plz.
Lubov Fominskaja [6]
It’s 3673 because yea
7 0
2 years ago
Read 2 more answers
The times required for a delivery firm to transport a package from one business address to another in the same metropolitan area
gladu [14]

Answer:

Step-by-step explanation:

Since; the density function diagrams were not included in the question; we will be unable to determine the  best which depicts this problem.

However;

Let use X to represent the time required for the delivery.

Then X~N(3.8 ,0.8)

i.e

E(x) = 3.8

s.d(x) = 0.8

NOW; P(x>4) = P(X-3.8/0.8 > 4-3.8/0.8)

= P(Z > 0.25)

= 1-P(Z < 0.25)

=1 - Φ (0.25)

= 1 - 0.5987  ( from Normal table  Φ (0.25) = 0.5987 )

= 0.4013

Thus;  the probability a single delivery would take more than 4 hours is 0.4013

What is the z value corresponding to the interval boundary?

The z value is calculated as:

z = \dfrac{X- \mu}{\sigma}

z = \dfrac{4- 3.8}{0.8}

z = 0.25

3 0
2 years ago
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