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VARVARA [1.3K]
2 years ago
12

If 7x+2a = 3x+5a, then x is equivalent to

Mathematics
1 answer:
saveliy_v [14]2 years ago
5 0
7x + 2a = 3x + 5a
4x + 2a = 5a
4x = 3a 
x = \frac{3}{4}a

I assume it is in terms of a as I see no way to get rid of both variables. 
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Determine the value of X. 30 POINTS
const2013 [10]

you can use the value of sin\

sin(theta) = 12/16

Now solve for theta, and do inverse sine

so theta would be 48.59037789 , or around 50 degrees

6 0
3 years ago
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The same brand of jelly beans comes in two sizes a 10 ounce bag for $1.99 and an 18 ounce bag for $2.99. Which size is the bette
dimaraw [331]

Find the unit costs and compare them:

$1.99

---------- = $0.199/oz

10 oz


$2.99

-------------- = $0.17/oz

  18 oz


Clearly, the 18 oz bag for $2.99 is the better buy, at $0.17/oz versus $0.199 oz for the 10 oz bag for $1.99.



3 0
2 years ago
the population of a town is 1,03.500 if 56%of the population is male find the number of females in the town
bija089 [108]
The population you gave isn't formatted correctly so I'll solve the problem assuming you mean 103,500.

First we find the number of males from the percentage given:

0.56 * 103500 = 57960 males

Subtract the number of males from the total population to get the number of females:

103500 - 57960 = 45540 females

You could solve the problem by finding the percentage of females first. Since there are 56% males, that means there are 100-56 = 44% females.

0.44 * 103500 = 45540

The answer is 45540.




8 0
3 years ago
If k(x) = 5x – 6, which expression is equivalent to (k + k)(4)?. . 5(4 + 4) – 6. 5(5(4) – 6) – 6. 54 – 6 + 54 – 6. 5(4) – 6 + 5(
Dmitrij [34]
K(x) = 5x-6
(k+k)(x) = k(x) + k(x) = 5x-6 +5x-6
just plug in x = 4,
(k+k)(4) = 5(4) -6 + 5(4) -6
thats your answer, the last option.
6 0
3 years ago
Read 2 more answers
How many hours are in 17 years? Write your answer in scientific notations with 3 sig figs.
taurus [48]

Answer:

1.49 x 10^{5} hours

Step-by-step explanation:

1 day=24hours

1 year=365 days

365days=24 x 365=8760hours

17 years

= 8760hours x 17

=148920hours

=1.4892 x 10^{5}

= 1.49 x 10^{5} hours

6 0
3 years ago
Read 2 more answers
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