3 years ago

Help me with this, please.

Mathematics

1 answer:

Ira Lisetskai [31]3 years ago

3 0

Answer:

- 5 ± 11

Step-by-step explanation:

2x² + 5x - 12 = 0

a = 2, b = 5, c = -12
x = (-b ± D)/2a
D = √b² - 4ac = √5² -4*2*(-12) = √25+96 = √121 = 11
x = (-5 ± 11)/4

Correct choice is the second one or B

You might be interested in

Benjamin took a taxi from his house to the airport. The taxi company charged a pick-up fee of $2.60 plus $3 per mile. The total

Alina [70]

Answer: STOP CHEATING cheater... ok I am nice and here’s answer

74.60=3x+2.60

74.60-2.60=72

72/3=24

x=24

the taxi ride was 24 miles

Step-by-step explanation: but please stop stealing points and saying they are cheaters they just don’t know the answer so they need help

4 0

2 years ago

Ava volunteers at an animal shelter with 6 cats. She has 15 cat treats. She gives each cat the same number of treats, and she gi

Delvig [45]

Answer:

Ava gives each cat __2__ treats. __3___ treats are left.

Step-by-step explanation:

8 0

3 years ago

Triangle ABC was transformed to be triangle FED using

vampirchik [111]

Answer:

the triangle was rotated about 90 degrees i think

4 0

2 years ago

These two rectangles are similar. Which is a correct proportion for corresponding sides?

Keith_Richards [23]

Answer:

option (2) is correct.

$\frac{4}{8}=\frac{12}{x}$

Step-by-step explanation:

Given two similar rectangles and with dimension of sides,

we have to choose the correct proportion for corresponding sides.

Since, the rectangles given are similar rectangles.

So, the corresponding sides are in same proportion in case of similar figures,

So,

$\frac{4}{8}=\frac{12}{x}$

Thus, option (2) is correct.

7 0

3 years ago

Read 2 more answers

2 4/5 divided by 2 1/3

Alex Ar [27]

Answer: Exact form: 6/5 Decimal form: 1.2 Mixed Number form: 1 1/5

hope this helps! :)

8 0

3 years ago

Read 2 more answers