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devlian [24]
3 years ago
11

I NEED HELPPPP ASAPPP PLEASE HELP MEEEE I WILL GIVE BRAINLY AND 20 POINTS!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!

Mathematics
1 answer:
Morgarella [4.7K]3 years ago
4 0

Answer:

c

Step-by-step explanation:

this is 9n>27. THIS is truuuuuuuuuuuueeeeeee

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Solve the equation for x, where x is a real number (5 points): <br> -2x^2 + 5x + 2 = -3
Juli2301 [7.4K]
Add 3 to both sides so that the equation becomes -2x^2 + 5x + 5 = 0.
To find the solutions to this equation, we can apply the quadratic formula. This quadratic formula solves equations of the form ax^2 + bx + c = 0
                              x = [ -b ± √(b^2 - 4ac) ] / (2a)
                              x = [ -5 ± √(5^2 - 4(-2)(5)) ] / ( 2(-2) )
                              x = [-5 ± √(25 - (-40) ) ] / ( -4 )
                              x = [-5 ± √(65) ] / ( -4)
                              x = [-5 ± sqrt(65) ] / ( -4 )
                              x = 5/4 ± -sqrt(65)/4
The answers are 5/4 + sqrt(65)/4 and 5/4 - sqrt(65)/4..
5 0
3 years ago
Susan and Samantha went to lunch at a café. They ordered a spinach salad for \$7.76. , a tuna sandwich for $4.50 and 2 glasses o
victus00 [196]

Answer:

$2.34

Step-by-step explanation:

7.76+4.50+1.90+1.90+1.60=17.66

20-17.66=2.34

4 0
3 years ago
Read 2 more answers
Jeslyn can jump 0.8 meters above the ground. Vianna can jump 80 cm above the ground. Who can jump higher? How do you know?​
Marina86 [1]

Answer:

They jump at the same height.

Step-by-step explanation:

.8 meters=2.62467 ft

80cm=2.62467 ft

8 0
3 years ago
Is Figure 1 similar to Figure 2? ​
tamaranim1 [39]

Answer:

no figure 1 isn't similar to figure 2

Step-by-step explanation:

because its sides aren't the same numbers nor do the numbers correlate with the numbers in figure one its 2 different numbers

6 0
3 years ago
How to find the discounted price example $25.00 is the original price and the discount is 15%
Alexandra [31]
Since the price is now 15% less you would first find what 15% of 25 is  by using 25*.15 and get 3.25  then you subtract that from 25 and get 25-3.25=                     $21.75
3 0
3 years ago
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