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sladkih [1.3K]
2 years ago
6

Please help me please help me please help me please help me please help me please help me please​

Mathematics
1 answer:
natali 33 [55]2 years ago
5 0

Answer:

for the first one it's 40 seconds

and for the second one I can't see the options but I I think it is 300

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I’m not quite sure what the answers are, I have tired this problem a variety of times and still get it wrong.
leva [86]

Check the picture below, keeping in mind that opposides sides and interior angles in a parallelogram are congruent.

5 0
2 years ago
The annual salaries of all employees at a financial company are normally distributed with a mean of $34,000 and a standard devia
IRISSAK [1]
z=\frac{X-\mu}{\sigma}=\frac{54000-34000}{4000}=5
5 0
3 years ago
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The perimeter of a square picture frame is 24 in. Find the lengths of each side of the frame.
m_a_m_a [10]

Answer:

6 inches

Step-by-step explanation:

The perimeter formula for a square is P = 4*S

P =24

s = ?

24 = 4*S            Divide both sides by 4

24/4 = 4S/4      

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6 0
2 years ago
find the surface area of a right regular hexagonal pyramid with sides 3 cm and slant heights 6cm. show all of your work.​
DedPeter [7]

Answer:

The surface area of right regular hexagonal pyramid = 82.222 cm³

Step-by-step explanation:

Given as , for regular hexagonal pyramid :

The of base side = 3 cm

The slant heights = 6 cm

Now ,

The surface area of right regular hexagonal pyramid = \frac{3\sqrt{3}}{2}\times a^{2} + 3 a \sqrt{h^{2}+ 3\times \frac{a^{2}}{4}}

Where a is the base side

And h is the slant height

So, The surface area of right regular hexagonal pyramid = \frac{3\sqrt{3}}{2}\times 3^{2} + 3 \times 3 \sqrt{6^{2}+ 3\times \frac{3^{2}}{4}}

Or, The surface area of right regular hexagonal pyramid = \frac{3\sqrt{3}}{2}\times 9 + 9 \sqrt{36+ 3\times \frac{9}{4}}

Or,  The surface area of right regular hexagonal pyramid = 23.38 + 9 × \frac{171}{4}

∴  The surface area of right regular hexagonal pyramid = 23.38 + 9 × 6.538

I.e The surface area of right regular hexagonal pyramid = 23.38 + 58.842

So,  The surface area of right regular hexagonal pyramid = 82.222 cm³ Answer

6 0
3 years ago
Please answer right I will give you brainliest :) 15 points!
sleet_krkn [62]

Answer: B

Step-by-step explanation: 7/8 * 3 = 2 5/8 :)

7 0
3 years ago
Read 2 more answers
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