Answer:
4x + 9 ≥ 0
Step-by-step explanation:
The inside of the square root, the radicand, cannot be negative.
It can only be zero or positive.
Zero or positive is also described as being greater than or equal to 0.
Set the radicand to be greater than or equal to zero.
4x + 9 ≥ 0
81 - 8^2 is 17 ..............
Answer:
The volume of the fish tank is 48000 cubic centi meter.
Step-by-step explanation:
The volume of a Cuboid is l*b*h (length*breadth*height)
Here,
length(l) =60 cm
breadth(b)= 20 cm
height(h)=40 cm
Volume=l*b*h
Volume= 60cm*20cm*40cm
Volume= 48000 cubic centimeter
Step-by-step explanation:
AD ≅ BC, Given
∠BCD ≅ ∠ADC, Given
CD ≅ CD, Reflexive property
ΔBCD ≅ ΔADC, SAS congruence
∠BDC ≅ ∠ACD, CPCTC
ΔECD is an isosceles triangle, definition of isosceles
DE ≅ CE, properties of isosceles triangles
Answer:
The slope of line a is * also.
Step-by-step explanation:
Parallel lines have the same slope. Whatever number, fraction, variable, symbol is given for the slope of one line, the other must have the same number, fraction, variable, symbol, if they are parallel.
