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-BARSIC- [3]
2 years ago
10

Describe 3 different ways to solve a quadratic equation​

Mathematics
1 answer:
Montano1993 [528]2 years ago
7 0
You can use the Pemdas, forward or backwards you can also use over run you can also use fractions

2/5
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Please help find the percent of decrease?!
Greeley [361]

decrease = 9%

percent decrease = \frac{decrease}{original cost} × 100%

decrease = $98 - $89 = $9

percent decrease = \frac{9}{98} × 100% = 9% (to nearest whole percent )


7 0
3 years ago
F(x)=2x+1; g(x)=3x-2 <br><br> find (f+g) (3)
baherus [9]

Step-by-step explanation:

GIVEN,

f(x)=2x+1; g(x)=3x-2

NOW,

( 2x+1 + 3x-2)×3

=(5x-2)×3

=15x - 6 <em>A</em><em>N</em><em>S</em><em>W</em><em>E</em><em>R</em>

3 0
3 years ago
If ∠G is supplementary to ∠H and the measure of ∠G is 65° what is the measure of ∠H?
Elina [12.6K]

Solution:

<u>Given:</u>

  • ∠G = 65°

Supplementary angles are a pair of angles that sum up to 180°.

<u>It should be noted:</u>

  • If ∠G and ∠H are a pair of supplementary angles, they both sum up to 180°.

Equation formed: ∠G + ∠H = 180

<u>Substitute the values into the equation.</u>

  • ∠G + ∠H = 180
  • => 65 + ∠H = 180

<u>Subtract 65 both sides.</u>

  • => 65 - 65 + ∠H = 180 - 65
  • => ∠H = 180 - 65 = 115°

7 0
2 years ago
Which equivalent fractions can you use to find the sum of 2/8 + 3/9?
sattari [20]
You can you 72 which would make 2/8 18/72 and 3/9 24/72 which makes the sum 42/72.
7 0
3 years ago
Of the last 60 people who went to the cash register at a department store, 13 had blond hair, 18 had black hair, 22 had brown ha
Taya2010 [7]
Yes. 18/60 = 9/30 = 3/10.
5 0
2 years ago
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