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Leokris [45]
3 years ago
14

Solve 2x2 + 5x + 5 = 0. Round solutions to the nearest hundredth.

Mathematics
1 answer:
Ganezh [65]3 years ago
7 0
 do i need to solve for x
 
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How to graph the line y=4/3x
ankoles [38]

Answer:

make a table of values

Step-by-step explanation:

then plot using those values

3 0
3 years ago
John is 3 years older than Susan and khalid is 5 years younger than her . The sum of their ages is 40 .
lapo4ka [179]

Answer:

John is 17,

Susan is 14,

and Khalid is 9.

Step-by-step explanation:

a = John's age

b = Susan's age

c = Khalid's age

Let's set our rules from the given information.

a = b + 3

c = b - 5

a + b + c = 40

Now, we can solve for b through substitution.

(b + 3) + b + (b - 5) = 40

3b - 2 = 40

3b = 42

b = 14

So, now that we have Susan's age, we can follow the rules and see if it holds.

17 + 14 + 9 = 40 Viola!

8 0
3 years ago
HELP I NEED HELP ASAP
Tpy6a [65]

Answer:

I think it's -14

Step-by-step explanation:

x = 0 so the x won't be included but

-2 • x = -2x

-12 • x = -12x

-2x + (-)12x = -14

hope this helps :)

7 0
3 years ago
Evaluate. Write your answer as an integer or as a decimal rounded to the nearest hundredth. tan 26° = ___
barxatty [35]

Answer:

0.49

Explanation:

Given the expression:

tan 26°

Evaluating using calculator

tan 26° = 0.4877

Hence the decimal rounded to the nearest hundredth is 0.49

4 0
1 year ago
Read 2 more answers
Solve the equation using addition or subtraction.
Dmitriy789 [7]
1. C -9
2. B 7.5
3. A -4
4. C 65
5 0
3 years ago
Read 2 more answers
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