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ivolga24 [154]
2 years ago
6

Solve: -5/2 a + 5 = 25 a =

Mathematics
2 answers:
Ksju [112]2 years ago
8 0

Answer: a = -8

Step-by-step explanation:

Combine multiplied terms into a single fraction

then find a Find common denominator for the fraction

then Combine fractions with common denominator,

Multiply the numbers, Multiply all terms by the same value to eliminate fraction denominators, Cancel multiplied terms that are in the denominator,

Multiply the numbers making your equation like this -5a+10=50

subtract 10 by both sides and then you will need to simplify making it

-5a + 40 then you divide them both by the same factor which is -5 then you simplify again making the <u>answer to your question -8  </u>

soldi70 [24.7K]2 years ago
4 0

Answer:

A = -8

You're welcome! :)

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Walmart has 260 chairs on sale. The store sells 30% of its chairs by the end of the day. How many chairs did Walmart not sell th
erastovalidia [21]

Answer:

182 chairs

Step-by-step explanation:

260 * 0.3 = 78

If Walmart sells 78 chairs today, we need to subtract 78 from 260 to find how many are left

260 - 78 = 182

There are 182 chairs left

7 0
3 years ago
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2x^2+3x-9=0 what is this answer ​
AlladinOne [14]

Answer:

x = 3 \:  \:  \:  \:  \:  \: or \:  \:  \:  \: x =   - \frac{3}{2}

Step-by-step explanation:

2x^2+3x-9=0 \\ 2x {}^{2}  + 3x - 6x - 9 = 0 \\ x(2x + 3) - 3(2x + 3) = 0 \\ (x - 3) \:  \:  \:  \: or \:  \:  \:  \:  \: (2x + 3) = 0 \\ x - 3 = 0 \:  \: or \:  \:  \: 2x + 3 = 0  \\ x = 3 \:  \:  \:  \:  \:  \:  \:  \:  \: or \:  \:  \:  \: x =    - \frac { 3}{2}

5 0
3 years ago
5. The shaded area is 327, find r.
vfiekz [6]

Answer: 10.2

Step-by-step explanation:

Area of a circle is

A= pixr^2

327= 3.14r^2

Divide by 3.14

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Get the sq rat of 104.14

= 10.2

3 0
4 years ago
Emily and her twin sister Erica were each given $500 for their birthday. Emily deposits her money in an account that pays 4.75%
Iteru [2.4K]

Answer:

B $45.26

Step-by-step explanation:

After 10 years

Emily will have 500 * 1.045^10 = $795.26

Erica will have 500 + 10*0.05*500 = 500 * 1.5 = 750$

Emily will have $45.26 more.

4 0
3 years ago
Need help please and thank you
PolarNik [594]

Answer: A. 70.50

Step-by-step explanation:

So 350*0.11 is 38.50. Add the $32.00 and you get $70.50

3 0
3 years ago
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