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stich3 [128]
3 years ago
8

ΔRST and ΔXYZ are equilateral triangles. The ratio of the perimeter of ΔRST to the perimeter of ΔXYZ is 1 to 3. The area of ΔRST

is 10.825 square inches. What is the area of ΔXYZ? (round to nearest tenth
Mathematics
1 answer:
Vanyuwa [196]3 years ago
3 0

Answer:

97.425

Step-by-step explanation:

C▲RST/C▲XYZ=1/3

S▲RST/S▲XYZ=1/9

The area of ▲RST is 10.825

SO the are of ▲XYZ is 10.825*9=97.425

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What is the binomial therom ?
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Answer:

Binomial theorem, statement that for any positive integer n, the nth power of the sum of two numbers a and b may be expressed as the sum of n + 1 terms of the form.

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2 years ago
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HELP!!! Anyone know how to solve I know the answer is (-3) but I don’t know how to get there. Thanks!!
Dima020 [189]

Answer:   v = -3

=========================================

Work Shown:

5 = \sqrt{-2-6v}+1\\\\5-1 = \sqrt{-2-6v}\\\\4 = \sqrt{-2-6v}\\\\4^2 = \left(\sqrt{-2-6v}\right)^2 \ \text{ .... square both sides}\\\\16 = -2-6v\\\\16+2 = -6v\\\\18 = -6v\\\\-6v = 18\\\\v = 18 \div (-6)\\\\v = -3

As you can see, we don't square both sides until the square root portion is fully isolated or on its own side. So it happens after we subtract 1 from both sides.

Technically, you are able to square both sides without first isolating the square root. But that would mean you'd have to use the FOIL rule and things would get a bit messier than they have to be. Not to mention that the square root term wouldn't fully go away (so you'd have to square again later down the line).

------------------

Checking the answer:

Replace every copy of v with -3. Simplify both sides. We should end up with the same number on each side

5 = \sqrt{-2-6v}+1\\\\5 = \sqrt{-2-6(-3)}+1\\\\5 = \sqrt{-2+18}+1\\\\5 = \sqrt{16}+1\\\\5 = 4+1\\\\5 = 5\\\\

The answer is confirmed.

4 0
3 years ago
Answer here first one gets brainiest and 50points
bezimeni [28]

what is the question piz tell donot make me brainiest

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3 years ago
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Ritu is travelling by a car at a speed of
faltersainse [42]

Answer:

40 min is the answer

Step-by-step explanation:

To solve this we need to convert all the units into SI units

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distance = 120×1000m

time = distance/ speed

= 120000/25

= 4800sec

= 4800/60min

= 80 min

for garima,

distance =120×1000m

speed = 60km/hr

= 60×1000/3600 m/s

=100/6 m/

time = 120000/(100÷6)

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time difference is 120-80 = 40 min

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2 years ago
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eimsori [14]

Answer:

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