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3 years ago

Solve the following equations 2a + 5 = 9a – 16

Mathematics

2 answers:

vitfil [10]3 years ago

4 0

2*a+5-(9*a-16)=0 witch equals <span> a=3</span>

shusha [124]3 years ago

3 0

2a+5=9a-16
2a+5+16=9a
2a+21=9a
21=9a-2a
21=7a
21/7=a
3=a

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Please any math experts help thanks you

timofeeve [1]

Answer:

$\frac{p^2-25}{p^2-10p+25}$

We can factorise the numerator with the difference of squares formula: $x^2-y^2=(x+y)(x-y)$

-----------------------------

$\frac{p^2-5^2}{p^2-10p+25} =\frac{(p+5)(p-5)}{p^2-10p+25}$

Now we can factorise the denominator:

$\frac{(p+5)(p-5)}{p^2-10p+25} =\frac{(p+5)(p-5)}{(p-5)^2}$

$\frac{(p+5)(p-5)}{(p-5)^2} =\frac{(p+5)(p-5)}{(p-5)(p-5)}$

Cancel out the common factor of (p-5):

$\frac{(p+5)(p-5)}{(p-5)(p-5)} =\frac{(p+5)}{(p-5)}$

7 0

3 years ago

The Molokai Nut Company (MNC) makes four different products from macadamia nuts grown in the Hawaiian Islands: chocolate-coated

lisabon 2012 [21]

Answer:

Profit = Selling price - Variable cost

Formulas:

F2 =SUMPRODUCT(B2:E2,$B$16:$E$16) copy to F2:F12, F14

Optimal solution: The company should produce the following quantities (in pounds) of the four varieties of nuts.

Whole = 1000

Cluster = 500

Crunch = 80

Roasted = 200

Total profit = $ 2913.20

Step-by-step explanation:

3 0

3 years ago

Aaron is staying at a hotel that charges $99.95 per night plus tax for a room. A tax of 7% is applied to the room rate, and an a

Serjik [45]

Answer: $543.7325

Step-by-step explanation:

room rate = $99.95 / night

Tax fee = 7% of room rate

Therefore, tax fee = 7% of $99.95

Tax fee = 0.07 × $99.95

Room charge =[$99.95 + 0.07($99.95)]

Room charge = 1.07($99.95) per night

Additional onetime untaxed fee = $9

Therefore for 5 nights :

Room charge = 5×[1.07($99.95)] +

Total room charge = 5×[1.07($99.95)] + one time untaxed fee

Total room charge = 5×[1.07($99.95)] + $9

= $543.7325

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3 years ago

Name the property the equation illustrates.

goldfiish [28.3K]

Associative property of addition

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4 years ago

Read 2 more answers

the names of 11 boys and 6 girls from your class are put into a hat. what is the probability that the first two names chosen wil

zloy xaker [14]

Answer:

25%

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6 0

3 years ago