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lisabon 2012 [21]
3 years ago
11

2(a + 5) – 4 = 2.a +2.5 –4 +

Mathematics
2 answers:
saul85 [17]3 years ago
8 0

Answer:

distributive property

Step-by-step explanation:

2(a+5)

2 is being distributed

Vilka [71]3 years ago
3 0
Distributive property for sure
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klio [65]

The equation is 20(3) + 25(4) - 10 = $150, the 3 was given for lawns and the 4 was given for Gardens. Plug and Chug

7 0
4 years ago
A firm starts work with 110 employees for the 1st week. The number of employees rises by 6% per week. How many weeks will it tak
Papessa [141]
1 % of 110 = 1.1
x 6 = 6.6
round up because you can't have 0.6 of a person.
7 people a week.
250 - 110 = 140
140 divided by 7 = 20
20 weeks
7 0
3 years ago
Read 2 more answers
More math help please
Vladimir [108]
C. it is an or problem so it goes below and it does not have the equal to so it is a dashed line.
7 0
4 years ago
One number is 9 more than twice another number. If the sum of the numbers is 129, find both numbers.
Sidana [21]

Answer:

40 and 89

Step-by-step explanation:

let x be the number then the other number is 2x + 9, then

x + 2x + 9 = 129, that is

3x + 9 = 129 ( subtract 9 from both sides )

3x = 120 ( divide both sides by 3 )

x = 40

Thus the numbers are

x = 40 and 2x + 9 = 2(40) + 9 = 80 + 9 = 89

6 0
3 years ago
Explain, in writing, what each parameter in the given function has on the graph of its parent function. (4 Points) () = −cos(1/2
Andrew [12]

Answer:

The parameters in the parent function are:

  • the parameter correspondig to - 3 in the given function is 0 in the parent function.
  • the parameter corresponding to 1/2 in the given function is 1 in the parent function, and
  • the parameter corresponding to - 1 in the given function is 1 in the parent function.

Explanation:

The given function is f(x)=-cos(x/2)-3.

The parent function of f(x)=-cos(x/2-3)\text{ }is\text{ }h(x)=cosx. The parameters of the given function are -1 (which is mutlyplying the value of cosine, 1/2 which is multiplying the argument (x), and - 3 which is subtracted.

In the parent function, those values are 1, 1, and 0.

It may help you representing the parameters in the given function with letters:

  • y=A(Bx)-C

Then, in the given function A = - 1, B = 1/2, and C = -3.

Now, you can write the parent function:

  • y=1.cos(1.x)+0

Then, the parameters are A = - 1, B = 1, and C = 0.

3 0
3 years ago
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