The sum of a number and five is at least 5?

1 answer:

7 0

Hello! For this type of problem, the sum is addition. Therefore, you add n and 5. The inequality for this question would be n + 5 >= 5. At least would mean a greater than or equal to symbol. If you need the answer as the value of n, n >= 0.

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How is 2 hours and 30 minutes more than 10% of the day

matrenka [14]

In order to find what 10% of a day is:

A day is 24 hours long.

Divide 24 by 100, then multiply the answer by 10.

24/100=0.24
0.24*10=2.4

So, 10% of the day is 2.4 hours.

2 hours and 30 minutes can be written as a decimal as 2.5.

So, 2 hours and 30 minutes is slightly more than 10% of the day.

4 0

3 years ago

Write an equation (in slope-intercept form) of the line that passes through (0, 3) and (−5, 2.5).

Paladinen [302]

The equation of the line passing throught the points $A(x_A,y_A)$ and $B(x_B,y_B)$ has a form

$\dfrac{x-x_A}{x_B-x_A}=\dfrac{y-y_A}{y_B-y_A}.$

Now the equation of the line passing through points (0, 3) and (−5, 2.5) is

$\dfrac{x-0}{-5-0}=\dfrac{y-3}{2.5-3}.$

Simplify it:

$\dfrac{x}{-5}=\dfrac{y-3}{-0.5},\\ \\0.5x=5(y-3),\\ \\5x=50y-150,\\ \\x=10y-30,\\ \\10y=x+30,\\ \\y=0.1x+3.$

This equation is in slope-intercept form.

Answer: y=0.1x+3.

5 0

3 years ago

I need help with 40 and 39!!!

vagabundo [1.1K]

39-A
When you multiply 8 times 2 its 16 and 40-16 is 24
40-D
less than is towards the negatives and for less than or greater than you use open circles

3 0

3 years ago

Read 2 more answers

A plant is already 42 centimeters tall, and it will grow one centimeter every month.

lyudmila [28]

Answer:

h= 42+m

h= 59cm

Step-by-step explanation:

5 0

3 years ago

Amplitude of 16 units, a period of 5 units, a vertical displacement of 3 units up and a phase shift of 2.5 units left.

allochka39001 [22]

The question is incomplete. The complete question is :

A sine function that has an amplitude of 16 units, a period of 5 units,a vertical displacement of 3 units up and a phase shift of 2.5 units left. Graph this function and show each step.

Solution :

The standard form of the sine function is

y = a sin (bx - c) + d

Here given :

Amplitude, a = 16

Period : $\frac{2 \pi}{|b|} = 5$