2 years ago

Identify the inequality that corresponds to the graph below. Choose all that apply.

Mathematics

1 answer:

mrs_skeptik [129]2 years ago

7 0

The answer is a because it is open circle

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Please answer this correctly without making mistakes

IrinaVladis [17]

Answer:

$\boxed{\sf 319:3388}$

Step-by-step explanation:

Total number of tickets sold = 3388

Total number of coach tickets = 3069

Total number of first-class tickets = Total number of tickets sold - Total number of coach tickets

= 3388 - 3069

= 319

$\therefore$

Ratio of the number of first-class tickets to the total number of tickets = 319:3388

8 0

2 years ago

A phone company charges $0.45 for the first minute and $0.35 for each additional minute for a long distance call. Which numerica

Vinvika [58]

0.45+19(0.35)

Total cost $7.10 (0.45+6.65)

8 0

3 years ago

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Simplify the rational expression. State any restrictions on the variable.

AveGali [126]

Answer:

The last choice.

Step-by-step explanation:

$\dfrac{k^2-k-2}{k^2-4k-5}=\dfrac{(k+1)(k-2)}{(k+1)(k-5)}=\dfrac{k-2}{k-5}$

The value of k must be restricted from being one that makes the original denominator zero. Hence k ≠ -1 or 5.

7 0

2 years ago

A cell phone store sells the basic model of a phone for $30 and the upgraded model for $100 when a customer signs a two-year agr

mixer [17]

<span>You need to set up 2 equations for this, a system to be exact let x represent the cheaper phone and y represent the upgraded phone for store costs you will have 5x+25y=200 for selling prices you will have 30x+100y=900 set these two equations together 5x+25y=200 30x+100y=900 multiply the first one by -4 and add them -20x-100y=-800 30x+100y=900 10x=100 x=10 10 cheaper phones, plug into any equation again 5(10)+25(y)=200 y=6<<<6 upgraded phones</span>

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3 years ago

I am confused with everything

notsponge [240]

I think it's x^3+2x^2-4

5 0

2 years ago