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3 years ago

9

I need to know the answer

2 answers:

Lynna [10]3 years ago

5 0

It would be 3/16.
In the previous post you had 54 which you didn't put into a fraction.

6x-3/2-3x=5/4-x-2
Which simplifies to:
4x-3/2=-3/4
4x=3/4
Turn the denominator to 16 by 4 and also multiply the top by 4 which becomes 12/16.
Divide the 12 by 4 and you get 3/16 which is the answer.

Gnesinka [82]3 years ago

5 0

3 and 16 is the answer

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g For the curve parameterized by x(t) = 3 sin t, y(t) = 5 cost, for −π/4 ≤ t ≤ π/2: (a) Sketch the curve and the direction trace

tamaranim1 [39]

Answer:

a) See the file below, b) $s = \int\limits^{0.5\pi}_{-0.25\pi} {[\left( 3\cdot \cos t\right)^{2}+\left(-5\cdot \sin t \right)^{2}]} \, dx$ , c) $s \approx 9.715$

Step-by-step explanation:

a) Points moves clockwise as t increases. See the curve in the file attached below. The parametric equations describe an ellipse.

b) The arc length formula is:

$s = \int\limits^{0.5\pi}_{-0.25\pi} {[\left( 3\cdot \cos t\right)^{2}+\left(-5\cdot \sin t \right)^{2}]} \, dx$

c) The perimeter of that arc is approximately:

$s \approx (\frac{1}{4} + \frac{1}{8})\cdot 2 \pi\cdot \sqrt{\frac{3^{2}+5^{2}}{2} }$

$s \approx 9.715$

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3 years ago

A board is 12 feet long. If the board is divided into 12 equal sections, how long is each section?

SIZIF [17.4K]

12 feet divided by 12 is equal to 1 foot ]
therefore a 12 foot long board divided into 12 equal sections has 12 1 foot long sections

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3 years ago

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3 years ago

Thirty 5 points for this answer. no links.<br> 4(a-2) = 2(a-4) + 2a

Anarel [89]

Answer:

a = 0

Step-by-step explanation:

4(a-2) = 2(a-4) + 2a

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3 years ago

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Geometry Question Help if you can please

docker41 [41]

Answer:

≈ 78.55 cm

Step-by-step explanation:

Using the ratio of arc (AB) to circumference (C) is equal to the ratio of angle subtended at centre by arc AB to 360°, that is

$\frac{AB}{C}$ = $\frac{110}{360}$ , that is

$\frac{24}{C}$ = $\frac{110}{360}$ ( cross- multiply )

110C = 8640 ( divide both sides by 110 )

C = $\frac{8640}{110}$ ≈ 78.55 cm ( to 2 dec. places )

5 0

3 years ago