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svet-max [94.6K]
3 years ago
6

Given that f(X)=2X-5, find the value of X that makes f(X)=15

Mathematics
2 answers:
I am Lyosha [343]3 years ago
8 0
 if f(x) = 15 then
15 = 2x - 5
20 = 2x
x = 10
amid [387]3 years ago
5 0
X=15 because 2(15) is 30-5 is 15
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The code for a lock consists of 3 digits using the digits: 1,2,4,7,8,9. How many different codes are possible if no digit may be
hodyreva [135]

Answer:

279

Step-by-step explanation:

8 0
3 years ago
Find the product .-2 [7 -4 0]
Makovka662 [10]
It says find the product, so that means multiplication
-2[7 -4 0] = [-14 8 0]                                           solving: [-14 8 0] [-3 0 5]
                                                                           [42+0+70     -24+0+40   0+0+0]  
  [-14 8 0] * [-3 0 5] = [112 0 -30]                           = [112  16  0]
                                                                          [112  16  0]*[6  2  1]
[112 0 -30]* [6 2 1] = [1008 114 0]                  [672+224+112    96+32+16   +0]
                                                                          =[1008  114  0].

4 0
3 years ago
Ty very much! Please help? :))
wlad13 [49]

Answer:

<em>Exact Form: </em>

\frac{8}{3}

<em>Decimal Form: </em>

2.6

<em>Mixed Number Form: </em>

2\frac{2}{3}

Hope this helps :)

<em>-ilovejiminssi♡</em>

4 0
2 years ago
For brainiest:):):):)::):):):)
scZoUnD [109]

Answer:

The unit rate is accurately \frac{1}{4} (km/minute)

Step-by-step explanation:

(1,1/4) means that the vehicle traveled 1/4 km within 1 minute.

The unit rate for this problem is also known as the speed of the vehicle.

So to find the speed, you need to use distance over time.

---> Unit rate: \frac{1}{4}\\ / 1 = \frac{1}{4} (km/minute)

(2,1/2) means that the vehicle traveled 1/2 km within 2 minutes.

Same process:

---> Unit rate: \frac{1}{2} / 2 =

Because of this, the unit rate is accurately \frac{1}{4} (km/minute)

8 0
2 years ago
A teacher with 10 students has 30 lesson times available. She will teach exactly one of her students during each lesson time. Ho
natka813 [3]

There are \frac{30!}{(3!)^{10} } ways for the teacher to decide which student she will teach during each lesson time if she must teach each student exactly 3 times. Here, "!" represents the factorial.

A number's factorial is the result of multiplying the integer by each natural number below it. Factorial can be symbolized by the letter "!". Thus, n factorial is denoted by n! and is the result of the first n natural numbers.

A whole number's "n" factororial is the sum of that number and each whole number up to one.

When a question asks you to determine how many different ways you can arrange or order a given number of items, you use a factorial.

Learn more about factorials here:

brainly.com/question/25997932

#SPJ1

5 0
2 years ago
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