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3 years ago

14

01:17:22 In the diagram, the ratios of two pairs of corresponding sides are equal. X 6 Z 2 To prove that ALMN - AXYZ by the SAS

similarity theorem, it also needs to be shown that 2N = 2 N 9 LN = LX La ZZ M L = LY

1 answer:

marysya [2.9K]3 years ago

7 0

Answer:

option A will be the correct answer

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The monthly rental for an apartment is 412.50 how much would the rent be for a year?

gavmur [86]

Answer:

4950

Step-by-step explanation:

412.50 x 12

412.50 is the mothly rental

12 are the month in a year

so it is 4950

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3 years ago

In one full day, 108 gallons of water seep into a pond. At this same rate, how many gallons will seep into the pond in 60 hours?

Alika [10]

Answer:

270

Step-by-step explanation:

108 divided by 24 is 4.5. 4.5 is how many gallons per hour. then, 4.5 times 60 equals 270.

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2 years ago

If x = 4cosa and y = 5tana, find (x^2/16) - (y^2/25)

Cloud [144]

$x = 4 \cos(a)$

$\frac{x}{4} = \cos(a) \\$

$( { \frac{x}{4} })^{2} = ({ \cos(a) })^{2} \\$

$\frac{ {x}^{2} }{16} = {cos}^{2} (a) \\$

_____________________________________________

$y = 5 \tan(a)$

$\frac{y}{5} = \tan(a) \\$

$( { \frac{y}{5} })^{2} = ( { \tan(a) })^{2} \\$

$\frac{ {y}^{2} }{25} = {tan}^{2} (a) \\$

_____________________________________________

Thus ;

$\frac{ {x}^{2} }{16} - \frac{ {y}^{2} }{25} = \\$

${cos}^{2} (a) - {tan}^{2} (a)$

3 0

2 years ago

Select the three equations that are correct.

nika2105 [10]

Answer:

6 × 9 = 54

42 ÷ 7 = 6

56 ÷ 7 = 8

Step-by-step explanation:

Given:

6 × 9 = 54

8 × 4 = 34

42 ÷ 7 = 6

64 ÷ 9 = 7

56 ÷ 7 = 8

Now it need to verify,

6 × 9 = 54 this is correct

42 ÷ 7 = 6 This is also correct

56 ÷ 7 = 8 This is correct

3 0

2 years ago

Find the reduced row echelon form of the augmented matrix

LenaWriter [7]

Answer:

Top row: [1 0 0 1000]

Middle row: [0 1 0 300]

Bottom Row: [0 0 1 0]

Step-by-step explanation:

To put it in RREF form, you need to have only 1's in a diagonal and 0's both top and bottom of the 1's. To get to the forms, you need to multiply and add rows together to solve for RREF.

5 0

2 years ago