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oksano4ka [1.4K]
3 years ago
5

Describe the intersection of this sphere with the xz-plane, the yz-plane, and the xy-plane.

Mathematics
1 answer:
vodka [1.7K]3 years ago
3 0
Its intersection would be at  the centre of the sphere, each line being perpendicular to the other, probably 
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Pls help!! I need the answer immediately
Strike441 [17]

Answer:

i). x³ + 9x² + yz - 15

ii). -21m³np - 8p⁵q + mnp + 4mn + 100

Step-by-step explanation:

Question (38)

i). Two expressions are -5x² - 4yz + 15 and x³+ 4x²- 3yz

  By subtracting expression (1) from expression (2) we can the expression by addition which we can get expression (1).

 (x³+ 4x²- 3yz) - (-5x² - 4yz + 15) = x³ + 4x² - 3yz + 5x² + 4yz - 15

                                                    = x³ + 9x² + yz - 15

ii). -15m³np + 2p⁵q - 6m³pn + mnp + 4mn - 10qp⁵+ 100

  = (-15m³np - 6m³np) + (2p⁵q - 10qp⁵) + mnp + 4mn + 100

  = -21m³np - 8p⁵q + mnp + 4mn + 100

4 0
3 years ago
Alex wants to put a fence around a square garden. The garden has an area of 784 ft2.
Irina18 [472]
P = 4s
P = 4(28)
P = 112 ft

The perimeter of the garden is 112 feet.
7 0
3 years ago
Read 2 more answers
​Jessie bought 11 red roses and 7 white roses. The ratio of the number of red roses to the number of white roses is...
ankoles [38]

Answer:

11/8 and if you need percentage its about 61%

Step-by-step explanation:

8 0
3 years ago
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There are 527 students enrolled at school 11% are absent today how many students are absent​
trapecia [35]

Answer:

About 58 students are absent today.

Step-by-step explanation:

11%=0.11

0.11*527=57.97

3 0
3 years ago
What is the inverse of the function
Evgesh-ka [11]

Answer:

A

Step-by-step explanation:

let y = f(x) and rearrange making x the subject, that is

y = \frac{19}{x^3} ( multiply both sides by x³ )

x³y = 19 ( divide both sides by y )

x³ = \frac{19}{y} ( take the cube root of both sides )

x = \sqrt[3]{\frac{19}{y} }

Change y back into terms of x, then

f^{-1} (x) = \sqrt[3]{\frac{19}{x} } = \frac{\sqrt[3]{19} }{\sqrt[3]{x} } → A

6 0
3 years ago
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