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3 years ago

If b=2 , what is the value of the 18/2 + 3b

Mathematics

1 answer:

Gemiola [76]3 years ago

7 0

Answer:

Step-by-step explanation:

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a_sh-v [17]

Answer:

The equation is,

$(x+1)^{2} \times (x+2) = 0$

Step-by-step explanation:

According to the question, the equation is cubic and have roots -1 (with multiplicity of 2) and -2.

So, the equation is,

$(x+1)^{2} \times (x+2) = 0$

[Since, when a , b , c are the roots of a cubic equation, the equation is

given by $(x-a) \times (x-b) \times (x-c) = 0$ ]

3 0

3 years ago

Given f (x) = 8 (3-x) , what is the value of f (-1)

nikdorinn [45]

Answer:

8(3-(-1)) = 32

Step-by-step explanation:

3 0

3 years ago

Simplify 30x³÷45xy²

Mariulka [41]

Answer:

$30 {x}^{3} \div 45x {y}^{2} = \\ 6 {x}^{2} \div 9 {y}^{2} = \\ 2 {x}^{2} \div 3 {y}^{2} = \\( 2 \div 3) \times (x \div y) ^{2}$

7 0

3 years ago

What is the trigonometric ratio for cos D ?

leva [86]

Answer:

Here,

H=75
P=72
B=21

We know that cosD= b/h

=21/75

=7/25

7 0

2 years ago

Can someone help me with B? I’m really bad at this kind of stuff. I need help ASAP

Vinil7 [7]

Answer:

D = .44P

Step-by-step explanation:

We need to find the slope of the line

m = (y2-y1)/ (x2-x1)

Using two points

m = (22-4.4) /(50-10)

= 17.6/40

= .44 lb/ in^2 ft

We can use the point slope form of the equation

y-y1 = m(x-x1) where y=D and x=P

D-4.4 = .44 (P-10)

Distribute

D-4.4 = .44P - 4.4

Add 4.4 to each side

D -4.4+4.4 = .44P -4.4+4.4

D = .44P

8 0

4 years ago

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