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PtichkaEL [24]
3 years ago
7

D divided bye 1.4=2.3 what is d

Mathematics
2 answers:
lubasha [3.4K]3 years ago
7 0
The answer is 3.22
Here is the work:
1.4 x 2.3= 3.22
kati45 [8]3 years ago
4 0
Multiply 2.3 by 1.4= D
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& A wall is 20 m long and 5 m high. Find the area of the wall. How many 2 m long 2 m broad flex be fitted on the wall? Suppo
Schach [20]

Area of wall = l×b

Length = 5m

Breadth = 20m

Area = 5×20

=100m²

Area of flex = side×side

= 2×2

= 4m²

Now no of flex that can be fitted = 100/4

= 25 flex

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3 0
3 years ago
Brainist to correct people​
Doss [256]
For 1 and 2 you may find the old answers if you search it

6 0
3 years ago
If (x+2) is a factor of 3x^2+14x+k, what is the value of k?
valkas [14]
If (x+2) is a factor of 3x^2+14x+k, the equation must equal zero when x=-2 so:

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3 0
4 years ago
A. Please evaluate p(1)<br> b. Please evaluate p(3)
I am Lyosha [343]

Answer:

p(3)=3-3÷2×3-6

0÷12-6

0÷6

0

p(1)=1-3÷2×1-6

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8 0
3 years ago
If (sin(()−1))p =2cos(()−1)q , show that p​^2​​ =4q​^2 (1− q^2) ?.
Papessa [141]
Likely the equation is

\sin^{-1}p=2\cos^{-1}q

For either side to be defined, we require |p|\le1 and |q|\le1. Under these conditions, we can take

\sin(\sin^{1}p)=\sin(2\cos^{-1}q)
\implies p=2\sin(\cos^{-1}q)\cos(\cos^{-1}q)
\implies p=2q\sin(\cos^{-1}q)
\implies p=2q\sqrt{1-q^2}
\implies p^2=4q^2(1-q^2)

as required.
8 0
4 years ago
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