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stealth61 [152]
3 years ago
6

How do i solve this equation and how did you do it

Mathematics
1 answer:
Murrr4er [49]3 years ago
6 0
   If      f(x) = (3x + 7)²
then   f(1) = (3(1) + 7)²
                =  10²
     ⇒  f(1) = 100  [OPTION E]
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How many permutations exist of the letters a, b, c, d taken two at a time?
Fittoniya [83]
The number of permutations of the 4 different letters, taken two at a time, is given by:
4P2=\frac{4!}{2!}=12
3 0
3 years ago
Read 2 more answers
Can someone graph this quick plsssss
melomori [17]

Answer:

x = 0.529 and y = 3.882

Step-by-step explanation:

The given equations are :

y=\dfrac{5}{3}x+3\ ......(1)\\\\y=\dfrc{1}{3}x-3\ .......(2)

We need to solve the equations by graphing.

The attached figure shows the solution of the given equations. We can see that, the intersecting points are :

x = 0.529 and y = 3.882

Hence, this is the required solution.

6 0
3 years ago
What is -(1)<br>Please help me.
KatRina [158]
It Is Just -1.
The Parenthesis Are All Simplified, And The Subtraction Sign Changes It To Negative. So, 1 Changed To Negative Is -1. <span />
8 0
3 years ago
Which is the more reasonable measurement of the distance between the tracks on a DVD: 7.4 ⋅ 10−4 mm or 7.4 ⋅ 104 mm? Justify you
EleoNora [17]

Answer:

A- 7.4 ⋅ 10−4 mm

Step-by-step explanation:

Well, to solve this problem, we must convert the number and / or the units in a more imaginable one.

We are given two choices:

a. 7.4 x 10^-4 mm

b. 7.4 x 10^4 mm

Converting the units and numbers into meters and general form, respectively. (What is meant by general form is not to write it in scientific notation).

a. 7.4 x 10^-4 mm (1 m / 1000 mm) = 0.00000074 m

b. 7.4 x 10^4 mm (1 m / 1000 mm) = 74 m

Now comparing the two values above, what do you think is the distance between the tracks on a DVD? Definitely NOT 74 m or else the DVD is extremely big. Therefore the correct is the smaller one.

8 0
2 years ago
Read 2 more answers
Is this correct? If not, which one is it? Thanks in advance!
Lisa [10]

Answer:

its the the second one not the first one



7 0
3 years ago
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