4 years ago

What is the difference between 4.5 and - 3.75

Mathematics

1 answer:

earnstyle [38]4 years ago

4 0

Answer:

.75

Step-by-step explanation:

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THE SUM OF TWO NUMBERS IS 105. If four times the smaller number is subtracted from the larger number, the result is 15. Find the

Alex_Xolod [135]

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Step-by-step explanation:

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3 years ago

Solve for x: 3 − (2x − 5) −8<br> d: x −3

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Answer:

-21

Step-by-step explanation:

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What is the distributive property for 9(72)

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4 years ago

Read 2 more answers

Calculate the distance between (4,9) and (-2,6) using the distance formula.

MAVERICK [17]

Answer:

$\large\boxed{d=3\sqrt5}$

Step-by-step explanation:

$\text{the formula of a distance between two points}\ A(x_1,\ y_1)\ \text{and}\ B(x_2,\ y_2):\\\\|AB|=\sqrt{(x_2-x_1)^2+(y_2-y_1)^2}\\=========================\\\\\text{We have}\ (4,\ 9)\ \text{and}\ (-2,\ 6).\ \text{Substitute:}\\\\d=\sqrt{(-2-4)^2+(6-9)^2}=\sqrt{(-6)^2+(-3)^2}=\sqrt{36+9}=\sqrt{45}\\\\\sqrt{45}=\sqrt{9\cdot5}=\sqrt9\cdot\sqrt5=3\sqrt5$

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3 years ago

If a train traveled at 50 meters within 120 seconds, what is its speed?

Alja [10]

Answer:

v = 0.416 m/s

Step-by-step explanation:

Give that,

Distance covered by a train, d = 50 m

Time taken, t = 120 s

We need to find the speed of a train. The formula for speed of an object is equal to the total distance covered divided by total time taken. It can be given by :

$v=\dfrac{d}{t}\\\\v=\dfrac{50\ m}{120\ s}\\\\v=0.416\ m/s$

So, the speed of a train is 0.416 m/s.

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3 years ago