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2 years ago

I need help with this question

Mathematics

2 answers:

Tamiku [17]2 years ago

6 0

Answer:

Step-by-step explanation:

Go to where it says -8 on the y-axis then rise 4 and run 1

Scilla [17]2 years ago

6 0

Your slope would be 4

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-26 =3v +1 can i please get a answer

garik1379 [7]

Answer:

v = -9

Step-by-step explanation:

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2 years ago

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Which congruence statement says the same thing as ABC=DEF

Oliga [24]

Answer is c.) ACB=DFE

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2 years ago

What number is 150 more than the product of 5 and 4892

stiv31 [10]

5×4892=24460+150=24610

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2 years ago

Daniel buys a refrigerator for Rs 21 850 . The price includes a Value Added Tax (VAT) of 15 %. How much is the VAT?

arsen [322]

$\large \mathfrak{Solution : }$

let's find the value of added tax :

$\dfrac{15}{100} \times 21850$

$\dfrac{3}{2} \times 2185$

$\dfrac{6555}{2}$

$3277.5$

The value of added tax (VAT) = ₹ 3277.5

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2 years ago

The motion of a ship riding at anchor can be modeled by y=25-4 cos (pi/6)t, where y is the water depth in feet and t is the time

balandron [24]

Answer: 29 feet (deepest) at 6 am

21 feet (shallowest) at Midnight & Noon

Step-by-step explanation:

y = -4 cos (π/6)t +25

Amplitude (A) = 4

-A means it is a reflection over the x-axis (starts at minimum)

Period = 2π/B → Period = 12

Phase shift = C/B → Phase Shift = 0

Midline (D) = 25

Midline (D) ± Amplitude (A) = Max & Min

Max: 25 + 4 = 29

Min: 25 - 4 = 21

Change the coordinates of y = cos (x) as follows:

x-value: Add C then divide by B
y-value: Multiply by A then add D

Note that the equation shows: A = -4, B = π/6, C = 0, D = 25

$\begin{array}{c|ccc|cl}\underline{\quad x\quad}&\underline{\quad y\quad}&&\underline{\quad (x+C)/B\quad}&\underline{\quad Ay+D\quad}\\0&1&&0&21&minimum\\\pi&0&&3&25&midline\\\pi &-1&&6&29&maximum\\3\pi/2&0&&9&25&midline\\2\pi&1&&12&21&minimum\\\end{array}$

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3 years ago