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Ostrovityanka [42]
3 years ago
13

Can someone help please?!

Mathematics
2 answers:
lukranit [14]3 years ago
8 0
What 2 numbers muliply to get -30 and add to get 7?
-3 and 10

(x-3)(x+10) is da answer

C is answer
Minchanka [31]3 years ago
4 0
X² + 7x - 30
x² + 10x -3x - 30
x(x+10) - 3(x+10)
(x-3)(x+10)

Answer is C
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Expanding logarithmic Expression In Exercise,Use the properties of logarithms to rewrite the expression as a sum,difference,or m
wel

Answer:

\frac{1}{2}ln(2x)-\frac{1}{2}ln(x^2-1)

Step-by-step explanation:

In 2x/(x^2 - 1)1/2

ln(\frac{2x}{x^2-1} )^\frac{1}{2}

Apply the property of natural log

ln x^m = m ln(x) move the exponent before ln

ln(\frac{2x}{x^2-1} )^\frac{1}{2}

\frac{1}{2}ln(\frac{2x}{x^2-1})

ln(m/n)= ln m - ln n

\frac{1}{2}(ln(2x)-ln(x^2-1))

multiply 1/2 inside the terms

\frac{1}{2}ln(2x)-\frac{1}{2}ln(x^2-1)

6 0
3 years ago
6.8 + [(0.5 times 7) + (3.1 times 3)] answer
andrezito [222]

Answer:

19.6

Step-by-step explanation:

3 0
2 years ago
Which of the following expressions is equivalent to 4n + 8
adelina 88 [10]

Answer:

You have to give us the other expressions :)

Step-by-step explanation:

6 0
3 years ago
Read 2 more answers
Find the equation of a line that passes through the points (-1,-5) and (-3,-4). Leave your answer in the form y=mx+c
MaRussiya [10]

Answer:

y = -1/2x - 11/2

Step-by-step explanation:

y2 - y1 / x2 - x1

-4 - (-5) / -3 - (-1)

1/ -2

= -1/2

y = -1/2x + b

-5 = -1/2(-1) + b

-5 = 1/2 + b

-11/2 = b

8 0
2 years ago
A coordinate map of the local grocery store is shown below. Ice cream is located at the point (-8,0)(−8,0)left parenthesis, minu
Alona [7]

Answer:

Step-by-step explanation:

If on the coordinate map, ice cream is located at the point (-8,0) and sprinkles are located at the point (-8,6), we can find the distance between the coordinate points using the formula;

D = √(x2-x1)²+(y2-y1)²

Given

x1 = -8, y1 = 0, x2 = -8 and y2 = 6

Substitute

D = √(x2-x1)²+(y2-y1)²

D = √(-8-(-8))²+(6-0)²

D = √0²+6²

D = √36

D = 6units

Hence the distance between the coordinate points is 6units

7 0
3 years ago
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