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3 years ago

Prac

Mathematics

1 answer:

PtichkaEL [24]3 years ago

8 0

Answer:

Yes a number with 3 digits is usually bigger than a number with 2 digits but sometimes if it is a decimal than the decimal can be bigger

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If r/s = 22 and the value of r is 242, what is the value of s

jekas [21]

Answer:

s = 11

Step-by-step explanation:

Given

$\frac{r}{s}$ = 22 ← substitute r = 242

$\frac{242}{s}$ = 22 ( multiply both sides by s )

242 = 22s ( divide both sides by 22 )

11 = s

7 0

3 years ago

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A particle moves along a line with a velocity v(t)=t2−t−6, measured in meters per second. Find the total distance the particle t

ahrayia [7]

Answer:

10.67 m

Step-by-step explanation:

Velocity is given as;

v(t) = t² − t − 6

To get the distance, we will integrate the velocity equation.

x(t) = ∫v(t) = (t³/3) - (t²/2) - 6t

Thus, from t=0 seconds to t=4 seconds., we have;

(t³/3) - (t²/2) - 6t between 0 and 4.

Thus;

Total Distance = [(4³/3) - (4²/2) - 6(4)] - [(0³/3) - (0²/2) - 6(0)]

Total distance = (64/3) - 8 - 24 = -10.67 m

Distance can't be negative and so we take the absolute value which is 10.67 m

7 0

3 years ago

Write down the first three terms of the sequence whose nth term is given by 2n-5

likoan [24]

Answer:

- 3, - 1, 1

Step-by-step explanation:

To find the first 3 terms substitute n = 1, 2, 3 into the formula

a₁ = 2(1) - 5 = 2 - 5 = - 3

a₂ = 2(2) - 5 = 4 - 5 = - 1

a₃ = 2(3) - 5 = 6 - 5 = 1

The first 3 terms are - 3, - 1, 1

6 0

3 years ago

PLEASE HELP WITH GEOMETRY IM STUCK!?}

Ilya [14]

Answer:

13.8

Step-by-step explanation:

Recall the trigonometric ratios

Sine = Opposite over Hypotenuse (SOH)

Cosine = Adjacent over Hypotenuse (CAH)

Tangent = Opposite over Adjacent (TOA)

Now lets look back at the question

We are given an angle and its adjacent side length (11) and we need to find the hypotenuse

The hypotenuse and adjacent sides corresponds with the trig function cosine so we will use cosine to solve for x

( remember that cosine = adjacent over hypotenuse )

$cos(37)=\frac{11}{x}$

step 1 multiply each side by x

$cos(37)*x=xcos(37)\\\frac{11}{x} *x=11$

now we have $xcos(37)=11$

step 2 divide each side by cos(37)

$\frac{xcos(37)}{cos(37)} =x\\\frac{11}{cos(37)} =13.77349\\$

we're left with x = 13.77439

Our last step would be to round to the nearest tenth

We would get that the answer is 13.8

3 0

2 years ago

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Bella bought a small smoothie at the point coffee shop and gave the barista a 10% tip. She spent $2.75 in all . How much did the

ANTONII [103]

2.65 before and the work > 2.75 - 10% = 2.65

8 0

3 years ago

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