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IgorLugansk [536]
3 years ago
7

PLEASE HELP WITH BOTH OF THESE ASAP!

Mathematics
2 answers:
natima [27]3 years ago
8 0

Answer:

can you zoom in on the screen please

Step-by-step explanation:

300

Murljashka [212]3 years ago
7 0

Answer:

Hello,

Step-by-step explanation:

\overline{x}=3262\\\sigma=1100\\\\P(x\geq 1000)=P(x\leq 3262+(3262-1000))=P(x\leq 5524)\\\\z=\dfrac{x-\overline{x}}{\sigma} =\dfrac{5524-3262}{1100} =2.05\overline{63}\\\\\\P(z\leq 2.05)=0.9789\\\\P(z\leq 2.06)=0.9803\\\\\\\boxed{0.9789\leq P\leq 0.9803}\\\\\\

P(x\leq 4000)=P(z\leq \dfrac{4000-3262}{1100} )=P(z\leq 0.67\overline{09})\\\\P(z\leq 0.67)=0.7486\\P(z\leq 0.68)=0.7517\\\\0.7486\leq P\leq 0.7517\\

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ANYONE??
RideAnS [48]
Volume of a quadrangular pyramid=(1/3)bh
b=base
h=height

b=area of the base=area of a square=8.4 ft * 8.4 ft=70.56 ft²

Pythagoras theorem:
hypotenuse²=leg₁² + leg₂²

data:
hypotenuse=9.6 ft
leg₁=height=h
leg₂=8.4 ft /2=4.2 ft

(9.6 ft)²= h² + (4.2 ft)²
92.16 ft²=h²+17.64 ft²
h²=92.16 ft²-17.64 ft²
h²=74.52 ft²
h=√(74.52 ft²)=8.63 ft.

Volume of this quadrangular pyramid=(1/3)(70.56 ft²)(8.63 ft)=202.9 ft³≈202.3 ft³

Answer: ≈202.3 ft³
5 0
3 years ago
Find the surface area of the prism.<br><br> A cube with side edges of 7 yards.<br><br><br> yd2
ExtremeBDS [4]

Answer:

To find the surface area of a cube, use the formula: surface area = 6s^2, where s is the length of one of the sides. If you don't know the length of the sides, you can find the surface area using volume. Just find the cube root of the volume, which is equal to the length of one side of the cube.

Step-by-step explanation:

8 0
2 years ago
Nina and Luca were told to draw a net for the three-dimensional figure shown below. Which statement about the students' nets is
NISA [10]

Answer:

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8 0
3 years ago
Read 2 more answers
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ira [324]

Answer:

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y= <u>0.49875311x  / cm </u>

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<u />

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<u>slope 1/2</u>

<u>y intercept (0,2)</u>

<u />

<u>x      y</u>

<u>-4     0</u>

<u>0       2</u>

<u />

Step-by-step explanation:

for 2

starting point ay y 2 make a point

then rise over run

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3 years ago
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3 years ago
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