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Mrac [35]
3 years ago
15

2 ways you could show each amount of money

Mathematics
2 answers:
Marysya12 [62]3 years ago
7 0

Answer:

You can show the amount of money by using a model or to show equations.

Step-by-step explanation:

saul85 [17]3 years ago
5 0
Wheres the rest of the question?
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I need to know Simplify 2a + 8(b + a) is
KonstantinChe [14]
HELLO !

Okay so what you do is<em> eliminate the parenthesis </em>in the equation because it really helps

So you would multiply 8 and b
Also multiple 8 and a

You would get 8b and 8a

Your equation would look like ...

2a + 8b + 8a = ...

<em>Now you add the alike things in the equation </em>

8a and 2a are the alike things.

Now you would have ...

10a + 8b = ?






4 0
3 years ago
Solve -5(x-7)^2+30=-20
Alex Ar [27]

Answer:

x=7−√10 or x=7+√10

Step-by-step explanation:

−5(x−7)2+30=−20

Step 1: Simplify both sides of the equation.

−5x2+70x−215=−20

Step 2: Subtract -20 from both sides.

−5x2+70x−215−(−20)=−20−(−20)

−5x2+70x−195=0

For this equation: a=-5, b=70, c=-195

−5x2+70x+−195=0

Step 3: Use quadratic formula with a=-5, b=70, c=-195.

x=

−b±√b2−4ac

2a

x=

−(70)±√(70)2−4(−5)(−195)

2(−5)

x=

−70±√1000

−10

x=7−√10 or x=7+√10

8 0
3 years ago
2 over 3 times 5 show your answer as a multiplication equation of a whole number and a fraction
romanna [79]
There you go, the answer is circled. The rest is the work that goes to it.

5 0
4 years ago
Find the area of the shaded polygons
Dimas [21]
I think u forgot to add a picture
6 0
3 years ago
What is the factored form of the polynomial? X^2-16x+48
dedylja [7]
I hope this helps you

7 0
3 years ago
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