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3 years ago

HELP ME PLEASE MATH Which graph represents the following system of inequalities?

Mathematics

1 answer:

Mekhanik [1.2K]3 years ago

8 0

y > 5x-1, because it is just a greater than sign, the shaded area would be to the left of a dotted line.

y ≤ x +3, because the sign is less than or equal to, the line is solid and the shaded area would be to the right.

Combine the shaded areas would make Graph B. the correct answer.

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A competitive diver dives from a 33-foot high diving board. The height of the diver in feet after 't' seconds is given by u(t) =

ludmilkaskok [199]

Answer:

$t = 0.375s$

Step-by-step explanation:

Given

$h(t) = -16t^2 + 4t + 33$ --- driver 1

$Rate = 2ft/s$ -- driver 2

$height = 33ft$

Required

The time they passed each other

First, we determine the function of driver 2.

We have that:

$Rate = 2ft/s$ and $height = 33ft$

So, the function is:

$h_2(t) = Height - Rate * t$

$h_2(t) = 33 - 2t$

The time they drive pass each other is calculated as:

$h(t) = h_2(t)$

$-16t^2 + 4t + 33= 33 - 2t$

Collect like terms

$-16t^2 + 4t + 2t= 33 - 33$

$-16t^2 + 6t= 0$

Divide through by 2t

$-8t + 3= 0$

Solve for -8t

$-8t = -3$

Solve for t

$t = \frac{-3}{-8}$

$t = 0.375s$

7 0

3 years ago

Suppose there is a bag containing 20 white marbles (Upper W), 20 red marbles (Upper R), 20 yellow marbles (Upper Y), and 2

lina2011 [118]

Answer:

WW WI WB WR IW II IB IR BW BI BB BR RW RI RB RR

Step-by-step explanation:

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3 years ago

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Type the correct answer in the box. Round your answer to two decimal places.

svp [43]

Angle TRQ is 23 degrees and the length from S to R is 3.3 units.

I need help on this too

3 0

3 years ago

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Find the product -3,-4.-2.5

Assoli18 [71]

Answer:

$-30$

Step-by-step explanation:

$-3(-4)(-2.5)$

Apply rule $-(-a) = a$

$=-3*4*2.5$

Multiply the numbers: $3*4*2.5=30$

$=-30$

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3 years ago

Help please! It's a quiz. will mark brainliest for correct answer!

yarga [219]

Answer:

you first start by making your equation: 45 +.25x = 70 +.15x. then subtract .15x from both sides. it should look like 45 +.10x = 70. subtract 45 from both sides then you get .10x = 25. divide 10 to both sides and you get 250. so the two companies will be the same at 250 texts.

Step-by-step explanation:

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3 years ago