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Flura [38]
3 years ago
12

Simplify (x-5)(x^2-2x-6)

Mathematics
1 answer:
spin [16.1K]3 years ago
6 0

Answer:

x³ - 7x² + 4x + 30

Step-by-step explanation:

Each term in the second factor is multiplied by each term in the first factor, that is

x(x² - 2x - 6) - 5(x² - 2x - 6) ← distribute both parenthesis

= x³ - 2x² - 6x - 5x² + 10x + 30 ← collect like terms

= x³ - 7x² + 4x + 30

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The diagram shows a right-angled triangle.
Otrada [13]

Answer:

h ≈ 9.9 cm

Step-by-step explanation:

By applying tangent rule for the given angle in the given right triangle,

tan(51°) = \frac{\text{Opposite side}}{\text{Adjacent side}}

tan(51°) = \frac{h}{8}

h = 8 × tan(51°)

h = 9.879

h ≈ 9.9 cm

Therefore, measure of side 'h' is 9.9 cm.

3 0
3 years ago
$7.50 admission 20%off 5.75% taz total is
pickupchik [31]
7.5*.2=1.5 
- 1.5= 6.5 w/ 20% off

6.5*0.0525=0.34125- rounded= .34+6.5=

$6.84
Hope this helps!!!!
5 0
3 years ago
I need help with this please
Harlamova29_29 [7]
-12y+14-9y=14
-21y=0
y=0, x=7
3 0
2 years ago
Number on the Cube Number of Times Rolled
Natasha2012 [34]
Total number of times cube was rolled = 100.
Total number of times a 6 was rolled = 27.
Probability of rolling a 6 = \frac{27}{100}
Total number of times coin was tossed = 100.
Total number of times a head was tossed = 41.
Probability of tossing a head = \frac{41}{100}
Therefore, probability of rolling a 6 and tossing a head = \frac{27}{100}\times\frac{41}{100}=\frac{1107}{10000}





6 0
3 years ago
What is the value of the expression: 9 + 5 x (-3) – (6 – 2) ÷ 4 show and explain the work please ?
vekshin1
-7.
5x-3 = -15
-15-4\4= -16
-16 + 9 = -7
6 0
3 years ago
Read 2 more answers
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