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Diano4ka-milaya [45]
3 years ago
6

PLEASE HELP ME ILL GIVE YOU POINTS

Mathematics
2 answers:
zepelin [54]3 years ago
5 0

Answer:

Step-by-step explanation:

its 6

yKpoI14uk [10]3 years ago
4 0

Answer:

6

Step-by-step explanation:

Y

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Identify any zeros of y=x^2+4x+5.
Jet001 [13]

A there are no real zeros

using the discriminant b² - 4ac  to determine the nature of the zeros

for y = x² + 4x + 5 ( with a = 1, b = 4 and c = 5 )

• If b² - 4ac > 0 there are 2 real and distinct zeros

• If b² - 4ac = 0 there is a real and equal zero

• If b² - 4ac < 0 there are no real zeros

b² - 4ac = 16 - 20 = - 4

Since discriminant < 0 there are no real zeros



3 0
3 years ago
Find the volume of the garden shed
Leno4ka [110]

Answer:

47.3 m³

Step-by-step explanation:

The garden shed is made up of a rectangular prism and a pyramid.

<h3><u>Volume of a rectangular prism</u></h3>

\begin{aligned}\textsf{Volume of a rectangular prism}&=\sf width \times length \times height\\&=4 \times 4 \times 2\\&=16 \times 2\\&=32\;\; \sf m^3\end{aligned}

<h3><u>Volume of a pyramid</u></h3>

<u />

From inspection of the given diagram, the slant height of the pyramid is 3.5 m.  

Calculate the perpendicular height of the pyramid using Pythagoras Theorem:

\begin{aligned}\implies a^2+b^2&=c^2\\2^2+h^2&=3.5^2\\h^2&=8.25\\h&=\sqrt{8.25}\;\; \sf m\end{aligned}

Therefore:

\begin{aligned}\textsf{Volume of a pyramid}&=\dfrac{\sf length \times width \times height}{3}\\\\&=\dfrac{\sf 4 \times 4 \times \sqrt{8.25}}{3}\\\\& = 15.31883372\;\; \sf m^3\end{aligned}

<h3><u>Volume of the garden shed</u></h3>

\begin{aligned}\implies \textsf{Volume of shed}&=\textsf{Volume of rectangular prism}+\textsf{Volume of pyramid}\\&=32+15.31883372\\& = 47.3\;\; \sf m^3\;(nearest\;tenth)\end{aligned}

6 0
1 year ago
Read 2 more answers
I need some help please
Nataliya [291]

Answer:

25π

Step-by-step explanation:

4 0
3 years ago
Andrea spent two dollars to make 10 prints from the Photo Booth. Later she spent six dollars to make it 30 prints
schepotkina [342]
If your question is: How much is each print. The answer is 20 cents each
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3 years ago
What is the unit rate for 7 phone calls in 2 hours
Tresset [83]
3.5 phone calls an hour

understandable






6 0
3 years ago
Read 2 more answers
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