Answer:
<em>=10x^2+8x+3</em>
Step-by-step explanation:
Lets simplify step by step.
=5x^2+3x+4+5x^2+5x+-1
Combine like Terms.
=5x^2+3x+4=5x^2+5x=-1
=(5x^2+5x^2)+(3x+5x)+(4+-1)
=10x^2+8x+3
<u><em>=10x^2+8x=3</em></u>
Answer:
The ladder is 35.71 feet up the building
Step-by-step explanation:
Here, we want to calculate how far up the building is the ladder placed
We should picture a right angled triangle with hypotenuse 50 and one of the other sides as 35
To find the height in this case, we proceed to use Pythagoras’ theorem which states that the square of the hypotenuse equals the sum of the squares of the two other sides
In this case, let the height be
50^2 = 35^2 + h^2
h^2 = 50^2-35^2
h^2 = (50+35)(50-35)
h^2 = (85)(15)
h^2 = 1275
h = square root of 1275
h = 35.71 ft
Answer:
<em>n</em><em> </em><em>=</em><em>-9</em>
Step-by-step explanation:
-6n>54
Divided by negative 6
n=we change the Sign
n=-9
Answer:
2 x + 6 . 8 = 8 x + I . 4
8x _2x = 6.8 - 1.4
6x = 5.4
X= 0.9
2x+ 6-8= 2×0.9 + 6.8 =8.6
Answer:
-84 + 10i
Step-by-step explanation:
Standard Complex Form: a + bi
Step 1: Evaluate
√-100 = √-1 x √100 = i x 10 = 10i
-84 = -84
Step 2: Combine
10i - 84
Step 3: Rearrange
-84 + 10i
