2 years ago

5+3x write in verbal expression

Mathematics

2 answers:

natali 33 [55]2 years ago

6 0

Three times x plus five

Keith_Richards [23]2 years ago

5 0

Answer:

Five plus free equals 7

Step-by-step explanation:

I added five plus three

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a toy rocket is launched from the top of a 48 foot hill. The rockets initial upward velocity is 32 feet per second and its heigh

sdas [7]

Answer:

t = 2.11 seconds

Step-by-step explanation:

A toy rocket is launched from the top of a 48 foot hill. The rockets initial upward velocity is 32 feet per second and its height h at any given second t is modeled by the equation:

$h=-16t^2+32t+48$

Let us assume that we need to find the time by it to reach the ground. It means h = 0

$-16t^2+32t+48=0$

The above is a quadratic equation. The value of t is given by :

$t=\dfrac{-b\pm \sqrt{b^2-2ac} }{2a}\\\\t=\dfrac{-b+ \sqrt{b^2-2ac} }{2a},\dfrac{-b- \sqrt{b^2-2ac} }{2a}\\\\t=\dfrac{-32+ \sqrt{(32)^2-2\times (-16)(8)} }{2\times (-16)},\dfrac{-32-\sqrt{(32)^{2}-2\times(-16)(8)}}{2\times(-16)}\\\\t=-0.11\ s, 2.11\ s$

So, it will take 2.11 seconds to reach the ground.

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3 years ago

Help please I’m struggling badly because Im bad at math

Solnce55 [7]

Answer:

M = 107 degrees

Step-by-step explanation:

JKM = PQR

J = P

J = 33

K = Q

K = 40

R = M

R = 107

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3 years ago

Identify each triangle based on angles. (Acute, Obtuse or Right) PLEASE HELP

saveliy_v [14]

Answer:

4.right

5. obtuse

6. acute

7. obtuse

8.acute

9. right

10. right

11. acute

12. obtuse

hope this helps

have a good day :)

Step-by-step explanation:

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2 years ago

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frosja888 [35]

The fraction for is 19/20

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ra1l [238]

Answer:

Step-by-step explanation:

x-5=42

x=42+5

x=47

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3 years ago

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