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nika2105 [10]
3 years ago
7

Write the linear inequality shown in the graph. The gray area represents the shaded region.

Mathematics
2 answers:
nikdorinn [45]3 years ago
7 0
A) It is a straight line.
b) Assume the grey area touches the -3

Answer: y ≥ -3
nekit [7.7K]3 years ago
3 0

Answer:

y>-3

Step-by-step explanation:

The graph is a horizontal line at -3

For any horizontal line the equation is y= some number

WE have a horizontal line at -3 , so the equation of that line is

y=-3

Now we look at the shaded region

We have dotted line , so we can use > or < symbol

The shaded gray area is at the top . for top shaded area we use greater than symbol.

y>-3

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To play basketball with her friends, Evangeline needs to pump air in her ball, which is completely deflated. Before inflating it
Nadya [2.5K]

Answer:

ρ_air = 0.15544 kg/m^3

Step-by-step explanation:

Solution:-

- The deflated ball ( no air ) initially weighs:

                             m1 = 0.615 kg

- The air is pumped into the ball and weight again. The new reading of the ball's weight is:

                            m2 = 0.624 kg

- The amount of air ( mass of air ) pumped into the ball can be determined from simple arithmetic between inflated and deflated weights of the ball.

                           m_air = Δm = m2 - m1

                           m_air = 0.624 - 0.615

                           m_air = 0.009 kg

- We are to assume that the inflated ball takes a shape of a perfect sphere with radius r = 0.24 m. The volume of the inflated ( air filled ) ball can be determined using the volume of sphere formula:

                         V_air = 4*π*r^3 / 3

                         V_air = 4*π*0.24^3 / 3

                         V_air = 0.05790 m^3  

 

- The density of air ( ρ_air ) is the ratio of mass of air and the volume occupied by air. Expressed as follows:

                         ρ_air = m_air / V_air

                         ρ_air = 0.009 / 0.05790

Answer:            ρ_air = 0.15544 kg/m^3                      

4 0
3 years ago
Read 2 more answers
Combination and permutation problems. Giving brainliest to whoever works it out and explains it to me!
Ronch [10]

Answer:

5: Permutation. 6: Combination

Step-by-step explanation:

Being that the team of Basketball players are <u>Arranging</u> who will change the water cooler, then the Answer is <u>Permutation</u>.

Mei has homework, and she's deciding which subject to do first. She has a <u>Selection</u> of choices, thus being the Answer- <u>Combination</u>.

Hope this makes sense. If you need clarification, feel free to reach back out to me.

3 0
4 years ago
What is the range of this function: y = x2 −5
Firdavs [7]
I think it might be the last one. Hope it helps:)
7 0
4 years ago
Determine the measure of ∠Y. images attached
Gwar [14]

Answer:

<h3>The answer is option C</h3>

Step-by-step explanation:

Since it's a right angled triangle we can use trigonometric ratios to find the value of ∠Y

To find the value of ∠Y we use tan

We have

\tan(∠Y)  =  \frac{25}{20}  \\  \tan(∠Y)  =  \frac{5}{4}  \\ ∠Y =  { \tan^{ - 1} } \frac{5}{4}  \\ ∠Y = 51.34019...

We have the final answer as

<h3>51.34°</h3>

Hope this helps you

5 0
3 years ago
Read 2 more answers
Please I don't Know Fractions
V125BC [204]

Answer:

11%

Step-by-step explanation:

1/3 (twix)

1/3 (snicker)

1/3 x 1/3 = 1/9

1/9 = .11

.11 = 11%

5 0
3 years ago
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