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3 years ago

Do you prefer solving problems using fractions or decimals? Explain why with at least 2 sentences.

Mathematics

2 answers:

Elis [28]3 years ago

6 0

Answer:

I prefer solving problens with fractions because it's easier to add them and you can turn them in to mixed numbers. Hope this helps you!

lys-0071 [83]3 years ago

3 0

Answer:

Decimals

Step-by-step explanation:

I prefer decimals because its easier to input into calculators and add.

Like for example I could easily add

.875 + .6 = 1.475

but it would be tough for me to add

$\frac{7}{8} + \frac{3}{5}$

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assume the graph of a function of the form y=asin(k(x+b)) is given below. which of the following are possible values for a, k, a

WITCHER [35]

Answer:

a=4, k=2, and b= -pi/4

Step-by-step explanation:

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3 years ago

Ann is going on vacation. Ann dog food for a pet sitter to feed her dog Maggie while she's away she leaves 24 cans of wet food a

docker41 [41]

1/4x = 24 for cans
Multiply both sides by 4 (the multiplicative inverse of 1/4)
x = 96 days

3/4x = 38 for dry food
Multiply both sides by 4
3x = 152
x = 50.666667

So I would say Ann can be gone 50 days before Maggie runs out of food. I don’t think they would count the 2/3 of a day. She will run out of dry food before canned food.

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3 years ago

Which expression is a factor of both (x - 2)^2 and -3x + 6

Natalija [7]

Answer:

-x+2or-1x+2

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3 years ago

1.) Which of the following expressions is the difference of two terms?

Step2247 [10]

Answer:

1.a

2.a

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4.c

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Step-by-step explanation:

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8 0

3 years ago

A sprinter who weighs 706 N runs the first 5.5 m of a race in 1.6 s, starting from rest and accelerating uniformly. What are the

zhenek [66]

Answer:

(a) Speed = 6.875 m/s

(b) Kinetic Energy = 1.70 kJ

Step-by-step explanation:

Given:

d = 5.5 m

t = 1.6 s

W = 706 N

Part (a)

Using the equation of motion with the assumption of zero initial speed:

$d = \frac{1}{2} ({v-0})t$

$5.5= \frac{1}{2} (1.6v)$

The speed of the sprinter then become:

$v = 6.875 m/s$

Part (b)

Convert the weight of the sprinter to mass:

$m = \frac{w}{g}$

$m = \frac{706}{9.8}$

$m = 72 kg$

KE (Kinetic Energy) can then be calculated as:

$KE = \frac{1}{2} mv^{2}$

$KE = \frac{1}{2} (72)(6.875)^{2}$

$KE = 1701.56 J = 1.70 kJ$

Part (c)

The change of the kinetic energy is equivalent to the work done by the sprinter. The average power P is the rate of the work done and can be calculated as

$P = \frac{KE}{t} \\\$

$P = \frac{1701.56}{1.6}$

$P = 1063.48 W = 1.06 kW$

5 0

3 years ago