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jolli1 [7]
3 years ago
7

HELP QUICK!!!1 PLease

Mathematics
2 answers:
melomori [17]3 years ago
5 0

Answer:

B i think

Step-by-step explanation:

Margaret [11]3 years ago
3 0

Answer:

B and C.

Step-by-step explanation:

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$925 at 2% interest for 2.4 years. Find the simple interest earned.
mixer [17]

Answer:

£43

Step-by-step explanation:

925×2/100

=£ 18.5

2.4 years =18.5×2.4

=£43

5 0
3 years ago
On mars if you hit a baseball, the height of the ball
Finger [1]
9ft because science                                                                                                                                                                                    
5 0
3 years ago
Graph a line that contains the point (-5,-3) and has a slope of -2
Tpy6a [65]

Answer:

-->

Step-by-step explanation:

Graph (-5,-3) and use the slope, -2, to find another point. -2 can also be written as -\frac{2}{1}

\frac{rise}{run} =\frac{-2}{1} and  \frac{rise}{run} =\frac{2}{-1} **

Use both. This works because either way, they will lie on the same line with the same slope. So, starting at (-5,-3), go down two points (-)* and to the left 1 (+)*, then, starting at (-5,-3) again, go up two points (+)* then to the right 1 point (-)*.

* If the number is negative, you either go down or to the right. If the number is positive, you go up and to the left.

**Rise over run refers to the change in the y-axis and the change in the x-axis: \frac{rise}{run} =\frac{y-axis}{x-axis}. Only one number is negative because, if both were negative, that would make a positive number, but the slope is -2, not 2.

Another way you could do this is by finding points first. All you need to do is turn the slope into a "point". Remember, 2 is the y and 1 is the x:

-2=-\frac{2}{1} = (1,-2) and (-1,2)

Then, using (-5,-3) and your new points, add them separately:

(-5,-3)+(1,-2)\\(-5+1,-3+(-2))\\(-5+1,-3-2)\\(-4,-5)

(-4,-5) is one point

(-5,-3)+(-1,2)\\(-5+(-1),-3+2)\\(-5-1,-3+2)\\(-6,-1)

(-6,-1) is another point. Connect the three points. You can check your work on the graph:

3 0
3 years ago
What is 8(2x+5)=16x+40?
polet [3.4K]

Answer:

x = infinite amount of solutions

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

Equality Properties

Step-by-step explanation:

<u>Step 1: Define Equation</u>

8(2x + 5) = 16x + 40

<u>Step 2: Solve for </u><em><u>x</u></em>

  1. Distribute 8:                                  16x + 40 = 16x + 40
  2. Subtract 40 on both sides:          16x = 16x
  3. Divide 16 on both sides:               x = x

Here we see that <em>x</em> does indeed equal <em>x</em>.

∴ <em>x</em> has an infinite amount of solutions.

3 0
3 years ago
Find the slope of the line through each pair of points.<br><br> (19, −2), (−11, 10)
Stels [109]

Answer:

slope = -\frac{2}{5}

Step-by-step explanation:

1) Calculate the slope using slope formula, \frac{y_2-y_1}{x_2-x_1}. Use the two points given, substitute their x and y values into the formula, and solve.

\frac{(10)-(-2)}{(-11)-(19)} \\= \frac{10+2}{-11-19} \\= \frac{12}{-30}\\= -\frac{2}{5}

Thus, the slope is -\frac{2}{5}.  

4 0
3 years ago
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