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Nataly [62]
2 years ago
5

15! + 12!=

Mathematics
1 answer:
MrMuchimi2 years ago
6 0

Answer:

27 sana makatulong hahahahah

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Hint: the distance on the map from Charlotte to<br> Winston-Salem is 1.6 cm.
Kobotan [32]

Answer:

120km

Step-by-step explanation:

If 1cm=75 km then 1.6cm=120km

Just multiply 1.6 with 75

7 0
3 years ago
A relay team of 4 swimmers is to be formed from a swim team with 20 member. How many different relay teams are possible?
Mars2501 [29]
<span>When order does not matter you use what is called n choose k formula

n!/(k!(n-k)!) where n is the number of things to choose from and k is the number of choices made, in this case:

20!/(4!(20-4)!)=4845</span>
5 0
3 years ago
A is a 3 times 3 matrix with three pivot positions.
saw5 [17]

Answer:

The following are the answer:

In option a  "No".

In option b  "Yes".

Step-by-step explanation:

In choice a:

Ax = 0 has no nontrivial solution. A would be the three-pivot matrix, it may assume, that the function has no free variable, and only if the function has had at least one free factor are their nontrivial formulas for the equations of the form Ax=0.  

It implies that since A is a 3x3 matrix, has no free variables so that it has no non-trivial choices, and Ax = 0.

In choice b:

we assume that every potential has at least one solution that is Ax=b . If A does have a three-pivot matrix, It will be a pivot element for each row and column, and for each possible b∈ R³, Ax = b has at least one solution.

7 0
3 years ago
Which represents the solution(s) of the system of equations, y = x2 – 2x – 15 and y = 8x – 40? Determine the solution set algebr
almond37 [142]

Answer:

(5, 0 )

Step-by-step explanation:

Given the 2 equations

y = x² - 2x - 15 → (1)

y = 8x - 40 → (2)

Substitute y = x² - 2x - 15 into (2)

x² - 2x - 15 = 8x - 40 ( subtract 8x - 40 from both sides )

x² - 10x + 25 = 0 ← in standard form

(x - 5)² = 0 ← in factored form, thus

x - 5 = 0 ⇒ x = 5

Substitute x = 5 into (2) for corresponding value of y

y = 8(5) - 40 = 40 - 40 = 0

Solution is (5, 0 )

3 0
3 years ago
Which proportion can be used to determine what number 15% of 30?
Karo-lina-s [1.5K]
I think it would be B
8 0
3 years ago
Read 2 more answers
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