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3 years ago

What is the sum 10 + (-10)

Mathematics

2 answers:

Marta_Voda [28]3 years ago

8 0

Answer:

Step-by-step explanation:

because

k c r

10 + (-10)

10 - 10=0

arlik [135]3 years ago

7 0

Answer:

☛☚um its 0

Step-by-step explanation:

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Three brothers decided to share costs evenly. They bought a race track for $36.99 and a car for $18.99. How much did each brothe

lisov135 [29]

54 55.98÷3=18.66

correct answer 18.66

7 0

4 years ago

A set of pulleys is used to lift a piano with a mass of 102 kg. The piano is lifted 3 meters in 1 minutes. How much power is use

agasfer [191]

Answer:

50.031 watts

Step-by-step explanation:

Formula

Power = Force * distance / time

The units are critical

distance = meters

time = seconds

force = newtons = kg * m / s^2

Solution

F = m * a

a = 9.81

m = 102 kg

F = 102 * 9.81 = 1000.62 Newtons

T = minute = 60 sec/min * 1 min

T = 60 seconds

d = 3 meters

Power = 1000.62 * 3 / 60

Power = 50.031

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3 years ago

Tan ^-1 (-1). enter your answer in radians

Assoli18 [71]

Answer:

$\theta=\frac{3\pi}{4},\theta=\frac{7\pi}{4}$

Step-by-step explanation:

we are given

$tan^{-1}(-1)$

Let's assume angle as theta

$\theta =tan^{-1}(-1)$

so, we get

$tan(\theta)=-1$

now, we can use unit circle and find theta

and we get

$\theta=\frac{3\pi}{4},\theta=\frac{7\pi}{4}$

So, solution is

$\theta=\frac{3\pi}{4},\theta=\frac{7\pi}{4}$

8 0

3 years ago

Whats circumference (dummy terms)

Keith_Richards [23]

Answer:

Circumference is the distance from the one end of a circle to another

6 0

3 years ago

Read 2 more answers

Ramona needs $2,095 immediately to pay for damage she did to her

joja [24]

Answer:

She paid $251.40 in interest only for the loan.

Step-by-step explanation:

This is a simple interest problem.

The simple interest formula is given by:

$E = P*I*t$

In which E is the amount of interest, P is the principal(the initial amount of money), I is the interest rate(yearly, as a decimal) and t is the time.

In this problem:

$P = 2095, t = 1, I = 0.12$

$E = 2095*0.12*1 = 251.4$

She paid $251.40 in interest only for the loan.

5 0

3 years ago