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Over [174]
4 years ago
11

Jack broke apart 5×216 as (5×200) + (5×16) to multiply mentally. What strategy did Jack use

Mathematics
1 answer:
adell [148]4 years ago
8 0
He used factoring to break it apart
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Complete this statement:
klasskru [66]

Answer:

45x^3a+27xa^2= 9xa(5x^2+3a)

Step-by-step explanation:

Given:

45x^3a+27xa^2= 9xa

We need to complete this Statement.

By Solving the above equation we get;

We will take some common factor out so we will get;

45x^3a+27xa^2= 9xa(5x^2+3a)

Hence the Complete statement is 45x^3a+27xa^2= 9xa(5x^2+3a)

5 0
3 years ago
V\Researchers periodically survey a few thousand of the patients taking a certain medication in order to make connections betwee
yanalaym [24]

Answer:

The correct answer is - an observational study.

Step-by-step explanation:

It is given that, Researchers periodically survey a few thousand of the patients. These are taking specific medicine patients and researchers taking this survey to find the connection between that medication and the subjects' general health.

So, it can say that the researchers observed the patient's health by the effect of the medication, therefore, the Observational Study is the given method of gathering data.

6 0
3 years ago
Given f (x) = startlayout enlarged left-brace first row 3 startroot 2 x minus 1 endroot, for x less-than-or-equal-to 2 second ro
qwelly [4]

<u>These 2 equations has </u><u>no solution</u><u> and the equations are </u><u>independent</u><u> </u><u>of each other.</u>

What is liner equation with two variable?

  • An equation is said to be linear equation in two variables if it is written in the form of ax + by + c=0, where a, b & c are real numbers and the coefficients of x and y, i.e a and b respectively, are not equal to zero.
  • For example, 10x+4y = 3 and -x+5y = 2 are linear equations in two variables.

-10x² -10y² = -300 ----a

5x² + 5y² = 150 ---- b

While trying to solve this,

We can multiply the eq. b by 2 so we will get eq. c and then add to eq. a we will get 0 as the solution.

10x² + 10y² = 300 ----c

-10x² -10y² = -300 ---a

<u>Everything cutoff, we will </u><u>get 0</u><u>, and there is no solution to these equations.</u>

Learn more about liner equation with two variable brainly.com/question/16933755

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8 0
2 years ago
Does 14, 19, 26 make a right triangle
7nadin3 [17]

Answer:

no one of them has to be 90 degrees

Step-by-step explanation:

6 0
3 years ago
Read 2 more answers
An English class attended a performance at the theater. The class took 25 students and 3 adults. Each student ticket, s, cost $3
castortr0y [4]
Total cost = student cost + adult cost
t = 25s + 3(s+3)
t=28s+9
8 0
4 years ago
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