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3 years ago

Please help me, please?

Mathematics

2 answers:

creativ13 [48]3 years ago

5 0

The answer is 14 2/3

I hoped this helped youuuuu!!!!!

pickupchik [31]3 years ago

3 0

Omar can make 14 whole dumplings. You change 2 3/4 cups to an improper fraction (multiply the denominator and the numerator) and you get 11/4. Since you need 3/16 cups for One dumpling you have to find the greatest common denominator which is 16. You multiply by 4 by 11 to get the numerator and end up with 44/16. Since you need 3/16 for 1 whole dumpling you divide 44 by 3 and get 14.6 repeating. You cannot have a fraction of a dumpling so you round down and get the answer 14.

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The answer to this word problem usinf discriminant

solniwko [45]

$\bf h=-9.8t^2+45t+1.2\implies 64.5=-9.8t^2+45t+1.2
\\\\\\
0=-9.8t^2+45t-63.3\\\\
-------------------------------$

$\bf \qquad \qquad \qquad \textit{discriminant of a quadratic}
\\\\\\
0=\stackrel{\stackrel{a}{\downarrow }}{-9.8}t^2\stackrel{\stackrel{b}{\downarrow }}{+45}t\stackrel{\stackrel{c}{\downarrow }}{-63.3}
~~~~~~
\stackrel{discriminant}{b^2-4ac}=
\begin{cases}
0&\textit{one solution}\\
positive&\textit{two solutions}\\
negative&\textit{no solution}
\end{cases}
\\\\\\
(45)^2-4(-9.8)(-63.3)\implies -456.36$

the discriminant is a negative value, thus no solution for such quadratic, meaning if we use h=64.5 like we did, there's no "t" seconds at which point the ball hits the batting cage.

8 0

3 years ago

BONUS!

Nitella [24]

The answer is gonna be 14

3 0

2 years ago

elie is now 4 times as old as her son. in 5 years time shes going to be 3 times as old as her son. how old is ellies son now?

tigry1 [53]

Answer:

Her son is 10 years old.

Step-by-step explanation:

Let son be x

Ellie is 4x

In 5 years time: Her son = x + 5

Ellie = 4x + 5

Given that she will then be 3 times as old as her son: 4x + 5 = 3(x + 5)

Solve x: 4x + 5 = 3(x + 5) ,4x + 5 = 3x + 15

x = 10

5 0

3 years ago

Old Shark Tank Length: 20 meters Width: 4 meters Helght: 10 meters Terrence knows that each shark needs 25 cubic meters of space

schepotkina [342]

Answer:

volume of old tank=20×4×10=800m³

no of shark adjust =800/25=32 sharks is adjusted in old shark tank

for new

if length=25℅0f 20+20=25m

breadth=25%of 4 +4=1+4=5m

height is same=10m

new volume =25×5×10=1250m³

total no.of shark adjust=1250/25=50 shark

50-32=18 more shark that the new tank hold.

4 0

3 years ago

Victor is measuring his bodily dimensions. his neck is 14.72 inches in circumference, and his forearm is 25.81 centimeters long.

Anarel [89]

The circumference of Victor's neck is 44.86% longer than his forearm.

7 0

3 years ago

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