3 years ago

What is 2/5 as a decimal?

Mathematics

2 answers:

goldenfox [79]3 years ago

8 0

2 / 5 = 0.4

2 divided by 5 = 0.4

Ber [7]3 years ago

6 0

Answer:

0.4

Step-by-step explanation:

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Nikolay [14]

Answer:

incorrect.

Step-by-step explanation:

Why?

72 times 2 is 144. You have a remainder of 4 left. Therefore the answer being 2r4

6 0

3 years ago

Use the quadratic formula to find the solutions to the quadratic equation below x^2-6x-5=0

Sonja [21]

Answer:

$\large\boxed{x=3-\sqrt{14}\ \vee\ x=3+\sqrt{14}}$

Step-by-step explanation:

$x^2-6x-5=0\qquad\text{add 5 to both sides}\\\\x^2-6x=5\\\\x^2-2(x)(3)=5\qquad\text{add}\ 3^2\ \text{to both sides}\\\\x^2-2(x)(3)+3^2=5+3^2\qquad\text{use}\ (a-b)^2=a^2-2ab+b^2\\\\(x-3)^2=5+9\\\\(x-3)^2=14\to x-3=\pm\sqrt{14}\qquad\text{add 3 to both sides}\\\\x=3-\sqrt{14}\ \vee\ x=3+\sqrt{14}$

8 0

3 years ago

Please explain number 10 in a step by step process.

Aleonysh [2.5K]

Good evening ,

______________

Answer:

a=3

___________________

Step-by-step explanation:

Look at the photo below for the answer.

3 0

3 years ago

Read 2 more answers

Solve −3.5 = x 4 for x using the multiplication property of equality. x=

ss7ja [257]

Answer:

<em>The operation in the problem is</em>

Division

<em>The inverse operation is </em>

Multiplication

-14 = x

Step-by-step explanation:

6 0

3 years ago

Read 2 more answers

A bus as speed of 20m/s begin to slow at constant acceleration of 8.00m/s2 along a straight line find the average speed for the

MrRissso [65]

Answer:

-20 m/s.

Step-by-step explanation:

The computation of the average speed is shown below:

Given that

The initial velocity of the bus, u = 20 m/s

Aceleration of the bus, -a = 8 m/s²

time of motion, t = 5 s

Now The final velocity of the bus is

v = u + at

v = 20 + (-8 × 5)

v = 20 - 40

v = -20 m/s.

6 0

3 years ago