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Wittaler [7]
3 years ago
15

Can someone tell me the answer plz and explanation and steps

Mathematics
1 answer:
const2013 [10]3 years ago
4 0

Answer:

positive 12/5

Step-by-step explanation:

First distribute: -12m - 20 = -2m + 4

Add like terms: 10m - 20 = 4

Isolate variable: 10m = 24

Divide: 2.4 or 12/5

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vinny invested $25,000 in an account that earns 4.25% simple interest. if vinny doesn't make any additional deposits or withdraw
dimulka [17.4K]
He will have $34,562.50 in his account after 9 years.
4 0
3 years ago
Larry Mitchell invested part of his $25,000 advance at 2% annual simple interest and the rest at 3% annual simple interest. If h
alexandr402 [8]

Answer:

  • $1000 at 3%
  • $24000 at 2%

Step-by-step explanation:

Let x represent the amount invested at 3%. Then the total interest earned is ...

  0.03x +0.02(25000 -x) = 510

  0.01x = 10 . . . . . . . . . . . . subtract 500, collect terms

  x = 1000

Mitchell invested $1,000 at 3% and $24,000 at 2%.

3 0
3 years ago
Does anyone know this ? i'm stuck.. i'll give you brainliest and 15 points !! show work.
madam [21]

Answer:

x = 7

Step-by-step explanation:

The angle adjacent to the 70 degree angle is also 70 degrees.  We assume that there are four 90-degree angles in the center of the figure.  Thus, 8x - 36 + 70 + 90 = 180 (the sum of the interior angles is 180 degrees).

Solving  8x - 36 + 70 + 90 = 180 for x:

              8x - 36 = 20, or 8x = 56.

Dividing both sides by 8 yields x = 7.

5 0
3 years ago
PLZ HELP 75 POINTS SHOW WORK
Alexeev081 [22]

Answer:

See in attachment and Mark as brainleist please.

Hope it helps

6 0
3 years ago
Read 2 more answers
The figure is made up of 2 rectangles and 2 right triangles. What is the area of the figure? 173 units2 253 units2 277 units2 32
zubka84 [21]
Here, Area of a Triangle = 1/2 * b * h
A = 1/2 * 6 * 8
A = 1/2 * 48
A = 24

Area of two traingles = 2(24) = 48

Now, Area of a rectangle = 25 * 5 = 125

Now, Total area of the figure = 125 + 48 = 173 units2

In short, Your Answer would be Option A

Hope this helps!
8 0
3 years ago
Read 2 more answers
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