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Serjik [45]
3 years ago
12

HELP!!!!!!!!! Please P.S. I need the answer ASAP

Mathematics
2 answers:
Alex Ar [27]3 years ago
7 0
I think it is distributive property?
zzz [600]3 years ago
6 0
Step 1 associative property
step 2 subtract 2x from both sides
step 3 add 28 to both sides
step 4 divide 2 on both sides
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Match the information on the left with the appropriate equation on the right.
solmaris [256]

Answer:

Step-by-step explanation:

1). Equation of a line which has slope 'm' and y-intercept as 'b' is,

y = mx + b

If slope 'm' = 1 and y-intercept 'b' = -3

Equation of the line will be,

y = x - 3

x - y = 3

2). Equation of a line having slope 'm' and passing through a point (x', y') is,

y - y' = m(x - x')

If the slope 'm' = 1 and point is (-1, 2),

The the equation of the line will be,

y - 2 = 1(x + 1)

y = x + 1 + 2

y = x + 3

x - y = -3

3). Equation of a line passing through two points (x_1, y_1) and (x_2,y_2) will be,

y-y_1=\frac{(y_2-y_1)}{(x_2-x_1)}(x-x_1)

If this line passes through (-2, 3) and (-3, 4),

y-3=\frac{(4-3)}{(-3+2)}(x+2)

y - 3 = -1(x + 2)

y = -x - 2 + 3

y = -x + 1

x + y = 1

4 0
3 years ago
Can someone please respond to me and help me out with these 4 problems I must show my work and include an expression , evaluatio
AlladinOne [14]

Answer: A train traveled486 miles in 7 hours

They would be going at least 40 - 70

Step-by-step explanation:

4 0
3 years ago
A circle with radius r is inscribed into a right triangle. Find the perimeter of the triangle if the length of the hypotenuse is
tankabanditka [31]

Answer: 56

Step-by-step explanation:

4=(a+b-24)/2

32=a+b

32+24=56

5 0
3 years ago
Read 2 more answers
The table of values represents an exponential function ​f(x). What is the average rate of change over the interval −2≤x≤2 ? Ente
solong [7]

Answer:

2.50

Step-by-step explanation:

The average rate of change over the interval −2≤x≤2 is:

(f(2) − f(-2)) / (2 − -2)

From the table, we see that f(2) = 14 and f(-2) = 4.

(14 − 4) / (2 − -2)

10 / 4

2.50

8 0
3 years ago
A classroom of children has 18 boys and 19 girls in which five students are chosen at random to do presentations. What is the pr
andreyandreev [35.5K]

Answer: 76/8547

Step-by-step explanation:

two possibilities

3 boys or 4 boys it would end up as

(18C3+18C4)/37C5

5 0
11 months ago
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