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3 years ago

Can you please help me with this question?

Mathematics

1 answer:

Natalka [10]3 years ago

6 0

Answer:

I have made it in above picture

hope it helps

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(x+3)^2+5=-28

Sidana [21]

Answer:

Description

Step-by-step explanation:

a. 2 solutions

b. 2 imaginary solutions

c. If the discriminant is positive, then it will have 2 real solutions as the square root of a positive number always equals a positive number. If the discriminant is negative, the quadratic equation will have 2 imaginary solutions, as the square root of a negative number is always imaginary. If the discriminant equals 0, it will have only 1 real solution.

3 0

3 years ago

Evaluate the expression 15-n when n =8

Dvinal [7]

Answer:

Step-by-step explanation:

if : n = 2 : 15 - n = 15 - 8 = 7

4 0

3 years ago

An equation is shown below:

mart [117]

Multiple 6 with numbers inside paranthesis:
12x - 66 + 15 = 21
add 66 fhen substrack 15 from both sides :
12x = 72 divide both sides with 12:
x = 6

5 0

3 years ago

Read 2 more answers

To test the effectiveness of a business school preparation course, 8 students took a general business test before and after the

Lisa [10]

Solution :

Group Before After

Mean 693.75 743.75

Sd 155.37 143.92

SEM 54.93 50.88

n 8 8

Null hypothesis : The preparation course not effective.

$H_0: \mu_d = 0$

Alternative hypothesis : The preparation course is effective in improving the exam scores.

$H_a : \mu_d>0$ (after - before)

4 0

3 years ago

Grayson has $300 in a savings account. The interest rate is 10% per year and is not compounded. How much interest will he earn i

BabaBlast [244]

Answer:

$180

Step-by-step explanation:

Interest for 1 year = 10% of $300

Interest for 6 years

= (10% × 6) of $300

= 60% of $300

= (60/100) × $300

= 60 × $3

= $180

So, he will earn $180 as interest in 6 years.

4 0

3 years ago

Can you please help me with this question?​

Can you please help me with this question?