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monitta
3 years ago
5

5x + 2x + 2 = 9x + 4​

Mathematics
2 answers:
bija089 [108]3 years ago
5 0

Step-by-step explanation:

Given

5x + 2x + 2 = 9x + 4

9x - 5x - 2x = 2 - 4

9x - 7x = - 2

2x = - 2

x = - 2 / 2

Therefore x = -1.

andreev551 [17]3 years ago
5 0

therefore lhs is equal to rhs

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An angle measures 42 less than its complementary angle. What is measure of each angle?
yaroslaw [1]
First angle = x
Second angle = x - 42
Sum both complementary angles = 90

x+x-42=90
2x=132
x=66⁰    -  First angle
x-42=66-42=24 
24⁰ - Second angle
6 0
3 years ago
The hypotenuse of a right triangle is 10cm long. The longer leg is 2cm longer than the shorter leg. Find the side lengths of the
Crazy boy [7]
We need Pythagoras theorem here
a^2+b^2 = c^2
a, b =  legs of a right-triangle
c = length of hypotenuse

Let S=shorter leg, in cm, then longer leg=S+2 cm
use Pythagoras theorem
S^2+(S+2)^2 = (10 cm)^2
expand (S+2)^2
S^2 +   S^2+4S+4  = 100 cm^2   [collect terms and isolate]
2S^2+4S =  100-4 = 96 cm^2
simplify and form standard form of quadratic
S^2+2S-48=0
Solve by factoring
(S+8)(S-6) = 0   means (S+8)=0, S=-8
or                                   (S-6)=0, S=6
Reject nengative root, so
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5 0
3 years ago
Yo i neeed help!
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Answer:

A.)

Step-by-step explanation:

15 multiplied by 14 is the total number of women’s players.

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6 0
3 years ago
Which statements are true about the solution 2 < x - 7 and its graph? Check all that apply.
Mashutka [201]

Answer:

O   x >9

The arrow points left

Step-by-step explanation:

<u><em>Explanation:-</em></u>

<em>Given   2 < x-7</em>

<em>adding '7' on both sides, we get</em>

<em>⇒   2 + 7 < x -7 +7</em>

<em>⇒  9 < x</em>

<em>⇒  x>9</em>

<em>Given inequality   2 < x -7</em>

The arrow points left

<u><em>Final answer</em></u>:-

solution is  x >9

The arrow points left

8 0
3 years ago
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ally spent half of her weekly allowance at the movies. to earn more money her parents let her clean the windows in the house for
Orlov [11]

Answer: Her weekly allowance is 24 dollars

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3 0
3 years ago
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