Answer:
<u>The answer is 4√5</u>
Step-by-step explanation:
Simplify 2√5 + 3√5 - √5
We can simplify this operation this way:
√5 (2 + 3 - 1) or (2 + 3 - 1)√5
Now, we resolve the operations inside the parenthesis:
√5 (5 - 1) = √5 (4) = 4√5 or (5 - 1) √5 = (4) √5 = 4√5
<u>So, the result of the simplification of this operation is 4√5.</u>
Answer:
i am not sure if this completly helps but here are some options...
Step-by-step explanation:
x
-![\frac{94}{9}](https://tex.z-dn.net/?f=%5Cfrac%7B94%7D%7B9%7D)
or
x
-10![\frac{4}{9}](https://tex.z-dn.net/?f=%5Cfrac%7B4%7D%7B9%7D)
or
x
-10.4
4x = 10y + 20
10y = 4x - 20
y = 4/10x - 2
Solution: y intercept is -2
Step-by-step explanation:
Since the ratio of monthly income to savings of the family is 7:2, we assume that the income be 7t and savings be 2t
Now, we are given that the savings is =Rs 500
So, According to our assumption, 2t=500
⇒t=250
Hence, the income of the family is =7×250=Rs 1750
And the expenditure is =Income−Savings
=Rs 1750−Rs 500
=Rs 1250
Answer:
The height of the ladder above the ground is 25.4306 ft
Step-by-step explanation:
The length of the ladder represents the hypotenuse of the right angle triangle.
The ground distance from the base of the building to the foot of the ladder represents the adjacent side of the right angle triangle.
Therefore, to determine how high up is the top of the ladder from the ground,x which represents the opposite side of the right angle triangle, we would apply trigonometric ratio,
Sin θ = opposite side/hypotenuse
Sin 78 = x/26
x = 26Sin78 = 26 × 0.9781
x = 25.4306 ft