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Whitepunk [10]
3 years ago
7

MUST SHOW WORK. please do this ASAP! This is about numerical expressions!

Mathematics
2 answers:
8090 [49]3 years ago
5 0

{\huge\fcolorbox{blue}{black}{\pink{\:\:\:\:\:\:\:\:\:\:\:\:\:\:\: Solution\:\:\:\:\:\:\:\:\:\:\:\:\:\:\:}}}

2(4 - 1) {}^{2}  - 3 + 2(5) \\  \\  = 2(3) {}^{2}  - 3 + 2(5) \\  \\  = 2 \times 9 - 3 + 2(5) \\  \\  = 18 - 3 +2(5)\\  \\ =>15-10 = 25

<h3>Hope This Helps You</h3>
lara31 [8.8K]3 years ago
4 0

\huge\text{Hey there!}

\mathsf{2(4 - 1)^2 - 3 + 2(5)}

\mathsf{4 - 1 = \bf 3}

\mathsf{= 2(3^2) - 3 + 2(5)}

\mathsf{3^2}\\\mathsf{= 3\times3}\\\mathsf{= \bf 9}

\mathsf{= 2(9) - 3 + 2(5)}

\mathsf{2(9)}\\\mathsf{= \bf 18}

\mathsf{= 18 - 3 + 2(5)}

\mathsf{18 - 3}\\\mathsf{= \bf 15}

\mathsf{= 15 + 2(5)}

\mathsf{2(5)}\\\mathsf{= \bf 10}

\mathsf{= 15 + 10}\\\mathsf{= \bf 25}

\boxed{\boxed{\huge\text{Therefore, your ANSWER is: \textsf{25}}}}\huge\checkmark

\huge\text{Good luck on your assignment \& enjoy your day! }

~\frak{Amphitrite1040:)}

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Answer:

He pays $39.56

Step-by-step explanation:

If finding the discount, always divide the percent by 100.

25% = 0.25

52.75*0.25=13.1875

Because its money, round to hundredths place, $13.19

Subtract the "percent" (13.19) from 52.75

52.75 - 13.19 = $39.56



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Match each scenario involving projectile motion with the equation that describes the height of the object at time t. Tiles h = -
olga55 [171]

Answer:

  1. h = -16t^2 + 73t + 5
  2. h = -16t^2 + 5
  3. h = -4.9t^2 + 73t + 1.5
  4. h = -4.9t^2 + 1.5

Step-by-step explanation:

The general equation we use for ballistic motion is ...

  h(t)=\frac{1}{2}gt^2+v_0t+h_0

where g is the acceleration due to gravity, v₀ is the initial upward velocity, and h₀ is the initial height.

The values of g commonly used are -32 ft/s², or -4.9 m/s². Units are consistent when the former is used with velocity in ft/s and height in feet. The latter is used when velocity is in m/s, and height is in meters.

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Dwayne throws a ball with an initial velocity of 73 feet/second. Dwayne holds the ball 5 feet off the ground before throwing it. (h = -16t^2 + 73t + 5)

A watermelon falls from a height of 5 feet to splatter on the ground below. (h = -16t^2 + 5)

Marcella shoots a foam dart at a target. She holds the dart gun 1.5 meters off the ground before firing. The dart leaves the gun traveling 73 meters/second. (h = -4.9t^2 + 73t + 1.5)

Greg drops a life raft off the side of a boat 1.5 meters above the water. (h = -4.9t^2 + 1.5)

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<em>Additional comment on these scenarios</em>

The dart and ball are described as being launched at 73 units per second. Generally, we expect launches of these kinds of objects to have a significant horizontal component. However, these equations are only for <em>vertical</em> motion, so we must assume the launches are <em>straight up</em> (or that the up-directed component of motion is 73 units/second).

4 0
3 years ago
In the given figure, if y = 30, find (i) x (ii) z and (iii) u​
pogonyaev

Answer:

u=30

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y=30

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u=y [ being vertically opposite angle]

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8 0
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Answer:

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<em>Hope I helped, have a nice day!</em>

<em>                -Aadi x</em>

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