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jeka94
4 years ago
10

Deanna estimated the product of 6.45 and 10.2 below.

Mathematics
2 answers:
Alex Ar [27]4 years ago
7 0

Answer:

b i am smart

Step-by-step explanation:

Bas_tet [7]4 years ago
5 0

Answer:

B

Step-by-step explanation:

I took the test

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Find the value of B - A if the graph of Ax + By = 3 passes through the point (-7,2), and is parallel to the graph of x + 3y = -5
sukhopar [10]

Answer:

The found values are:

A = 1/3

B = -8/3

Step-by-step explanation:

We know that general equation is given by:

y = mx + c

where m is the slope and c is a constant.

x + 3y = -5

y = -(1/3)x - 1/3(5)

Slop of the equation is -(1/3). As parallel line have same slope substitute it in the first equation:

Ax + By = 3

By = -Ax - 3

By = (1/3)x - 3

Hence, A = 1/3

Substitute point (-7,2) into the equation:

B(2) = (1/3)(-7) -3

B(2) = -7/3 - 3

B(2) = -16/3

B = -16/6

B = -8/3

4 0
3 years ago
How do I do the bus stop method?
hichkok12 [17]
The bus stop method is just like division.
Ex
137÷5= 
1.) 5 goes into one zero times so there is a zero on top.
2.) 5 goes into 13 two times, so after the zero there is a 2.
3.) 5 goes into 37 seven times so there is a 7 after the 2.
4.) There is a 2 left and five can't go into school therefore that is a remainder.

    027R2
5/137
  <u>- 10</u>
     37
   <u>-35</u>
       2
Hoped I helped:D

6 0
4 years ago
What is the distance between S and T?
mamaluj [8]

Answer:

try doing pythagoras theory of a×a+b×b=c×c

3 0
3 years ago
Read 2 more answers
Determine the slope of the line passing through the given points (1,2) and (2,-1)
alex41 [277]
I hope this helps you



slope=y2-y1/x2-x1



slope=2-(-1)/1-2


slope=3/-1


slope= -3
3 0
3 years ago
Read 2 more answers
Find the coefficient of x^2 in the expansion of (2x - 1)^5.
Mashcka [7]

Answer:

So, the coefficient of the x^2 -term is 80

Step-by-step explanation:

so we need to simplify it:

#10(x^2)(2^3) = 10(x^2)(8) = 80x^2

5 0
3 years ago
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