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Dvinal [7]
2 years ago
8

Find the solution set of the inequality. 10c + 5 ≤ 45

Mathematics
2 answers:
Jlenok [28]2 years ago
8 0
The answer is C < 4
-
polet [3.4K]2 years ago
6 0
C < 4 creo no estoy seguro
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What is an equation of the line that passes through the points (5, 5) and (5, -8)
Luden [163]

Answer:

m = undefined

General Formulas and Concepts:

<u>Pre-Algebra</u>

Order of Operations: BPEMDAS

  1. Brackets
  2. Parenthesis
  3. Exponents
  4. Multiplication
  5. Division
  6. Addition
  7. Subtraction
  • Left to Right<u> </u>

<u>Algebra I</u>

  • Coordinates (x, y)
  • Slope Formula: \displaystyle m=\frac{y_2-y_1}{x_2-x_1}

Step-by-step explanation:

<u>Step 1: Define</u>

Point (5, 5)

Point (5, -8)

<u>Step 2: Identify</u>

(5, 5) → x₁ = 5, y₁ = 5

(5, -8) → x₂ = 5, y₂ = -8

<u>Step 3: Find slope </u><em><u>m</u></em>

Simply plug in the 2 coordinates into the slope formula to find slope <em>m</em>

  1. Substitute in points [Slope Formula]:                                                             \displaystyle m=\frac{-8-5}{5-5}
  2. [Slope] Subtract:                                                                                               \displaystyle m=\frac{-13}{0}

Here we see that we have a number divided by 0. Since we know that we cannot divide any number by 0, our slope will be undefined. This will be a vertical line on a Cartesian plane of x = 5.

4 0
3 years ago
Read 2 more answers
Let A = {a,b,c} and let B = {1,2,3}. Determine n(AB)<br>​
sdas [7]

Answer:

6

Step-by-step explanation:

really dude, im in 7th grade and answerd this.

3 0
3 years ago
PLEASE HELP!!!!!! :((
aleksandr82 [10.1K]

Answer:

C.

Step-by-step explanation:

there's not an explanation to why C but like i'm just guessing it's C. so sorry if it's wrong.

8 0
3 years ago
Read 2 more answers
A row team paddles 30 miles upstream in 2 hours and 30 miles downstream in 45 minutes. How fast can the row team paddle in still
sp2606 [1]

Answer:

Rate in still water = 27.5 mph

Current's rate = 12.5 mph

Step-by-step explanation:

Let

x mph = row team rate in still water

y mph = current's rate

<u>Upstream:</u>

Distance = 30 miles

Time = 2 hours

Rate = x - y mph

Then

30=2(x-y)

<u>Downstream:</u>

Distance = 30 miles

Time = 45 minutes =\dfrac{3}{4} hour

Rate = x + y mph

Then

30=\dfrac{3}{4}(x+y)

From the first equation:

30=2(x-y)\Rightarrow 15=x-y

From the second equation:

30=\dfrac{3}{4}(x+y)\Rightarrow 40=x+y

Add these two equations:

15+40=x-y+x+y\\ \\2x=55\\ \\x=27.5\ mph

Subtract these two equations:

40-15=x+y-(x-y)\\ \\25=x+y-x+y\\ \\2y=25\\ \\y=12.5\ mph

8 0
4 years ago
The figure is made up of a cylinder and a cone.
Gnoma [55]

Answer:

51*pi or 160.221

Step-by-step explanation:

total volume = volume of a cone + volume of a cylinder

total volume = 1/3* pi*r^2* height(of cone) + pi* r^2 *height(of cylinder)

total volume = 1/3 * pi * 3^2 * 5 + pi * 3^2 * 4

total volume = 51*pi = 160.221

7 0
3 years ago
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