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Anastaziya [24]
3 years ago
9

What are the factors in the expression 4x squared 2 + 5x -7

Mathematics
1 answer:
PSYCHO15rus [73]3 years ago
4 0
Let think the answer is 4*2+5*-7=-27
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Hey...i need help urgently
natta225 [31]
Well

It needs to calculate the volume of a rectangular prism (10*20*20) and subtract from it the volume of a half cylinder with a radius of 10 cm and height of 20

as follows:

prism volume = 10*20*20 = 4000 cm^3

half cylinder volume = 0.5 * pi * r^2 * h = 0.5* 3.14 * 10^2 * 20 = 3140 cm^3

Subtract 3140 from 4000, results in: 860 cm^3



I hope that explains what you are stuck in
8 0
3 years ago
A sequence is defined by the formula f(n+1)=f(n)−3. If f(4)=22, what is f(1)?
Lilit [14]

Answer:

31

Step-by-step explanation:

From the expression

F(n + 1) = F(n) -3

>> f(n+1)-f(n) = -3

f(n) = f(n+1) + 3

f(4)- f(3) = -3

f(4) + 3 = f(3)

22 + 3 = 25 = f(3)

Similarly ; f(2) = f(3) + 3 = 25 + 3 = 28

f(1)= f(2) + 3 = 28 + 3 = 31

8 0
3 years ago
Read 2 more answers
Simplify 6² +3²<br><br>Help please!​
Misha Larkins [42]
I think it’s 27 umm yeah
8 0
3 years ago
Read 2 more answers
A dog is moving at a constant speed of 8 m/s. what is the dog’s acceleration
ozzi

\quad \huge \quad \quad \boxed{ \tt \:Answer }

\qquad \tt \rightarrow \: Acceleration_{dog} = 0

____________________________________

\large \tt Solution  \: :

A dog is moving at a constant speed of 8 m/s, that concludes that there's no change in its speed with respect to time.

And Acceleration is define as rate of change in velocity, but since velocity/speed is constant. change in velocity = 0

Henceforth, Acceleration of dog is 0 as well.

Answered by : ❝ AǫᴜᴀWɪᴢ ❞

4 0
2 years ago
Read 2 more answers
PLZ HELP ASAP I WILL GIVE BRAINIEST TO FIRST PERSON TO ANSWER. question: Tahmar knows the formula for simple interest is I = Prt
Gre4nikov [31]
P=I/RT
P=20/(0.05*5)
P=20/(0.25)
P=80

It is $80
3 0
3 years ago
Read 2 more answers
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