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3 years ago

I need help with this can someone help me

Mathematics

2 answers:

d1i1m1o1n [39]3 years ago

7 0

Answer:

a. 7(3) - 20 = 1°

b. 9 cm

c. Aly is correct

Step-by-step explanation:

DENIUS [597]3 years ago

4 0

Answer:

a. ZWY

b. 9cm

c. Aly's solution is correct

Step-by-step explanation:

a. YW bisects the whole angle, thus angle XWY and angle ZWY are same

NOTE: REMEMBER TO WRITE THE LETTER ACCORDINGLY

b. the two triangles are congruent by AAS (angle-angle-side) thus the two legs of the the triangles are also congruent. when one is 9cm, the other is also 9cm.

c. Since the triangles are congruent, their sides also congruent.

7x-20=2x-5

7x-2x=-5+20

5x=15

x=3

This is same as Aly's solution

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Raymond was asked to solve for the length of the hypotenuse in a right triangle with legs that have side lengths of 4 and 5. His

ohaa [14]

Answer:

Raymond's mistake was on the last step, since he didn't square root both sides

The correct answer should be

$c = \sqrt{41}$

Step-by-step explanation:

$a^2 + b^2 = c^2\\4^2 + 5^2 = c^2\\16 + 25 = c^2\\c^2 = 41\\c = \sqrt{41}$

Good luck!

3 0

2 years ago

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2 years ago

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Slav-nsk [51]

9 bc 3 times 3 is nine :D

6 0

3 years ago

The volumes of two cubes are 32ft^3 and 1372ft^3

ser-zykov [4K]

Answer:

1) 8 : 343

2) 42.875 or 42 ⅞

3) 4 : 49

4) 16ft²

Step-by-step explanation:

Volume of cube: s³

Surface area of cube: 6s²

_____________________

32ft^3 and 1372ft^3 →

32 : 1372 = 8 : 343

343 / 8 = 42 ⅞ = 42.875

s³ → 6s²

s³ = 8, s = 2, s² = 4.

s³ = 343, s = 7, s² = 49.

These are proportional so it is already in the simplest ratio so it is not necessary to multiply by 6.

s³ → 8 : 343

6s² → 4 : 49

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4 0

3 years ago

Help don’t understand

marusya05 [52]

Answer:

f(-14) = -6

f(-4) = 6

f(12) = 6

f(0) = -3

negative

Step-by-step explanation:

f(-14) = -6

This is because when x is -14, y is -6, as seen in the graph

f(-4) = 6

This is because when x is -4, y is 6, as seen in the graph

f(12) = 6

This is because when x is 12, y is 6, as seen in the graph

f(0) = -3

This is because when x is 0, y is -3, as seen in the graph

is f(4) positive or negative?
negative

This is because when x is 4, y is -6, as seen in the graph

6 0

2 years ago