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qwelly [4]
3 years ago
12

Will give brainlist plz help its for my 9 week exam

Mathematics
1 answer:
Paul [167]3 years ago
5 0
Answer: A. 72
Explanation: 15 + 25 + 10 = Total of marbles = 50
10/50 10 Marbles out of 50 total marbles
10/50 = ?/360
360 / 50 = 7.2
7.2*10= 72
72/360 so yeah it’s 72
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2. Mr. Abdulla has 160 cows, goats, horses, and chickens on his farm. 19% of the animals are cows, 28% are goats, 13% are horses
siniylev [52]

Step-by-step explanation:

28 + 19 + 13 equal 60%

therefore 40% divided by 60% multiply by 160 gives number of chicks

6 0
3 years ago
I need help I don’t understand this at all
Alina [70]

Answer:

it is 60

Step-by-step explanation:

1= what, well its 60

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3 years ago
2/3xd=10/9 what is d
lisabon 2012 [21]

Answer:d=5/3x

Step-by-step explanation:

Let's solve for d.

(2/3x)(d)=10/9

Step 1: Divide both sides by (2x)/3.

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8 0
3 years ago
Write a quadratic function to model the vertical motion for each​ situation, given ​h(t) equals negative 16t squared plus v0t+h0
Mashcka [7]

Answer:

hmax = 194 ft

The maximum height is 194 ft

Step-by-step explanation:

According to the given equation for the model of the vertical motion. The height at any point in time can be written as;

h(t) = -16t^2 + v0t + h0 .......1

Where;

h(t) = height at time t

t = time

v0 = initial velocity = 96 ft/s

h0 = initial height = 50 ft

To determine the maximum height we need to differentiate the equation 1 to find the time at which it reaches maximum height;

At the highest point/height h' = dh/dt = 0

h'(t) = -32t +v0 = 0

-32t + v0 = 0

t = v0/32

t = 96/32

t = 3 s

At t=3 it is at maximum height.

The maximum height can be derived from equation 1;

Substituting the values of t,v0,h0 into equation 1;

h(t) = -16t^2 + v0t + h0 .......1

hmax = -16(3)^2 + 96(3) + 50 = 194 ft

hmax = 194 ft

The maximum height is 194 ft

5 0
3 years ago
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