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Andrej [43]
3 years ago
10

Rewrite (2 + 6)5 using the Distributive Property.

Mathematics
1 answer:
bija089 [108]3 years ago
8 0

Answer:

5 * 2 + 6 * 5

Step-by-step explanation:

Distributive Property.

pumpkin228
2 years ago
osea rewritten: 10+30
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9/20
Stella [2.4K]

<u>Question:</u>

Find the number of real number solutions for the equation. x^2 + 5x + 7 = 0

<u>Answer:</u>

The number of real solutions for the equation x^{2}+5 x+7=0 is zero

<u>Solution:</u>

For a Quadratic Equation of form : a x^{2}+b x+c=0  ---- eqn 1

The solution is x=\frac{-b \pm \sqrt{b^{2}-4 a c}}{2 a}  

Now , the given Quadratic Equation is x^{2}+5 x+7=0  ---- eqn 2

On comparing Equation (1) and Equation(2), we get

a = 1 , b = 5 and c = 7

In x=\frac{-b \pm \sqrt{b^{2}-4 a c}}{2 a} , b^2 - 4ac is called the discriminant of the quadratic equation

Its value determines the nature of roots

Now, here are the rules with discriminants:

1) D > 0; there are 2 real solutions in the equation

2) D = 0; there is 1 real solution in the equation

3) D < 0; there are no real solutions in the equation

Now let solve for given equation

D= b^2 - 4ac\\\\D = 5^2 - 4(1)(7)\\\\D = 25 - 28 \\\\D = -3

Since -3 is less than 0, this means that there are 0 real solutions in this equation.

4 0
3 years ago
Five years ago, Tim’s mom was three times Tim’s age today. Now their combined ages are 45. How old is Tim’s mom today?
klio [65]
His mother would be 30.

Hope this helps :)
4 0
3 years ago
Read 2 more answers
Complete the transformation below:
Verdich [7]

Answer:

a c

Step-by-step explanation:

4 0
2 years ago
What is the value of x4 + 5.2y, when x = 2 and y = 3? (10 point) Question 12 options: 1) 23.6 2) 24.6 3) 27.6 4) 39.6
Firdavs [7]

Answer:

23.6

Step-by-step explanation:

7 0
3 years ago
Read 2 more answers
23 × 32 is the prime factorization for which one of these choices?
forsale [732]

Hello.

Here's our explanation: First, you had to multiply line them up. 2*3=6, then 3*3=9. Bring down the zero, then multiply 2*2=4. And 3*2=6, which gives us equal to 640. Finally, add it up, 96+640=736. 736 is the final answer.

Hope this helps!

Thanks!

Have a great day!

7 0
3 years ago
Read 2 more answers
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