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3 years ago

PLZ HELP NOW IM FAILING

Mathematics

2 answers:

Vera_Pavlovna [14]3 years ago

6 0

Answer:

1.b

2.c

Step-by-step explanation:

f(x)+g(x)

3x-2+6-4x

-x+4

4-x. addition is commutative

3x²*4x/(3x2*2x)

mafiozo [28]3 years ago

3 0

Answer:

first one is B

second one is c

Step-by-step explanation:

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Check my answer?

Effectus [21]

D = 2r => 12.6 = 2*r => r=6.3
A = π*r^2 = (3.14) * (6.3)^2 = (3.14)*(39.69) = 124.6266 which is approximately 124.63

Hope this helps!

6 0

3 years ago

Read 2 more answers

Sound travels through air at about 344 meters per seconds when the temp. is 20 degrees c. If Enrique lives 2 kilometres from the

Vaselesa [24]

Answer:

(344*20) + ( 2*20) = (20*2) = ?

Step-by-step explanation:

8 0

3 years ago

An electronics store makes a profit of $72 for every standard CD player sold and $90 for every portable CD sold. the managers ta

Alisiya [41]

s -> no: of standard CD players sold

p -> no: of portable CD players sold.

Profit Per Standard CD player=72$

Profit per Portable CD player =90$

Target Amount =360$

In short: The combined sales of Both the CD player's must exceed or atleast become equal to 360$ to acquire the target.

Thus; the inequality can be stated as:

 72(s) + 90(p) ≥360

-> 36(s) + 45(p) ≥180

-> 12(s) +15(p) ≥ 90

 _______________

->| 4(s) + 5(p) ≥ 30 |

Hope it helps...

Hope it helps...Regards;

Hope it helps...Regards;Leukonov/Olegion.

8 0

3 years ago

Can someone help and explain how to find domain and range I'm confused doing it on the last to I know how to do it with x just n

Thepotemich [5.8K]

Answer:

Domain is the set of inputs that will give you a defined output.

In example, f(x)=5/x, the domain would be all real numbers except for 0, because if it would be 0, it would be 5/0 which would be undefined.

Range is the set of outputs that are possible.

In example, f(g)=g(0), the range would be 0.

8 0

2 years ago

Multiply and reduce to lowest terms 5/13 X 3 3/8

Ganezh [65]

Answer:

Step-by-step explanation:

First, let's turn them both into improper fractions.

3 3/8 = 27/8

Now we can multiply

It is 5*27 / 13 * 8

This equals: 135 / 104

Simplified even further is:

1 31/104

6 0

1 year ago