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Dmitriy789 [7]
3 years ago
10

Problem 1

Mathematics
1 answer:
Aleksandr [31]3 years ago
6 0

Answer:

A and C

Step-by-step explanation:

Calculate the concentrations for each mixture.

Mixture A:

(4 teaspoons salt) / (2 cups water) = 2 teaspoons/cup

(0.25 cup sugar) / (2 cups water) = 0.125 cup/cup

Mixture B:

(3 teaspoons salt) / (1.5 cups water) = 2 teaspoons/cup

(0.2 cup sugar) / (1.5 cups water) = 0.133 cup/cup

Mixture C:

(2 teaspoons salt) / (1 cups water) = 2 teaspoons/cup

(0.125 cup sugar) / (1 cups water) = 0.125 cup/cup

Mixtures A and C have the same concentration.

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4 0
3 years ago
7(x – 3) – 5(2x - 4) = 5​
WITCHER [35]

Answer:

-2

Step-by-step explanation:

7x-21-10x+20=5

7x-10x-1=5

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3 years ago
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A rocket is launched at 85 ft./s from a launch pad that’s 28 feet above the ground. which equation can be used to determine the
3241004551 [841]

Answer:

h(t)=-16t^2+85t+28  is equation of height of rocket.

Option D is correct.

Step-by-step explanation:

Given: A rocket is launched with speed 85 ft/s from a height 28  feet.

Launching a rocket follows the path of parabola. The equation of rocket should be parabolic.

Parabolic equation of rocket is

Formula: h(t)=\dfrac{1}2gt^2+v_0t+h_0

g ⇒ acceleration due to gravity (-32 ft/s)

v ⇒ Initial velocity (v_0=85\ ft/s)

h ⇒ Initial height (h_0=28\ feet)

h(t) ⇒ function of height at any time t

Substitute the given values into formula

h(t)=\frac{1}{2}(-32)t^2+(85)t+28

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D is correct.

6 0
3 years ago
Read 2 more answers
50 POINTS PLZ ANSWER CORRECTLY
belka [17]
Hey there! :D

So, we want to multiply that by 2. The table represents one year at Weatherford College. 

8,965*2= 17,930 

I heard the question mention 'reasonable'. It also said 'meet the cost'. So I would assume that 17,930 meets most of the cost. I think that's what it wanted to have. A couple thousand dollars may be reasonable, but will it meet the cost? Probably not. 

I would say "A" is the best answer.

I hope this helps!
~kaikers
7 0
3 years ago
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