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algol [13]
3 years ago
5

Solve for q q+5/4=-2

Mathematics
1 answer:
Kay [80]3 years ago
4 0

Answer: q = -13

Step-by-step explanation:

(q+5)/4 = -2 first you multiply 4 to remove denominators

(q+5) = -8 then subtract 5

q = -13

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What number is 16% of 46? Which equation and solution represents each situation?
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the answer to this question is 7.36....its equation is 16/100*46

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How do you find the y - intercept (explain in sentences)
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7 0
3 years ago
Find z such that 97.5% of the standard normal curve lies to the left of z. (Enter a number. Round your answer to two decimal pla
fomenos

Answer:

z=1.96

Step-by-step explanation:

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(above value obtained from R)

6 0
3 years ago
15. The length of each edge of a regular tetrahedron,
grigory [225]

Slant height of tetrahedron is=6.53cm

Volume of the tetrahedron is=60.35\mathrm{cm}^{3}

Given:

Length of each edge a=8cm

To find:

Slant height and volume of the tetrahedron

<u>Step by Step Explanation: </u>

Solution;

Formula for calculating slant height is given as

Slant height=\sqrt{\frac{2}{3}} a

Where a= length of each edge

Slant height=\sqrt{\frac{2}{3}} \times 8

                     =\sqrt{0.6667} \times 8

                     =0.8165 \times 8=6.53cm

Similarly formula used for calculating volume is given as

Volume of the tetrahedron=\frac{a^{3}}{6 \sqrt{2}}

Substitute the value of a in above equation we get

Volume=\frac{8^{5}}{6 \sqrt{2}}

            =\frac{512}{6 \sqrt{2}}

            =\frac{512}{6 \times 1.414}

Volume=512 / 8.484=60.35\mathrm{cm}^{3}

Result:

Thus the slant height and volume of tetrahedron are 6.53cm and 60.35\mathrm{cm}^{3}

7 0
3 years ago
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