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Tamiku [17]
3 years ago
8

A quadratic equation of the form 0=ax^2+bx+c has a discriminant value of 0. How many real number solutions does it have?

Mathematics
1 answer:
Firlakuza [10]3 years ago
8 0
One, the answer is one
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Please help me with this homework
Leya [2.2K]

Answer:

Step-by-step explanation:

10^2+3^2=109 and sqrt 109 getting 10.4

3 0
3 years ago
Suzanne has a student loan balance of $25,904 with an average interest rate of 6.8 percent. Use the student loan repayment calcu
Alex_Xolod [135]

Since the problem is requiring us to use the loan repayment calculator and here is what the calculator gave:


Loan Balance: $25,506.00


Adjusted Loan Balance: $25,506.00


Loan Interest Rate: 6.80%


Loan Fees: 0.00%


Loan Term: 10 years


Minimum Payment: $0.00


Monthly Loan Payment: $293.52


Number of Payments: 120 months


Cumulative Payments: $35,223.07


Total Interest Paid: $9,717.07


It is projected that you will need an annual salary of a minimum $35,222.40 to be capable to have enough money to repay this loan. This approximation assumes that 10% of your gross monthly income will be keen to repaying your student loans. This resembles to a debt-to-income ratio of 0.7. If you use 15% of your gross monthly income to repay the loan, you will need an annual salary of only $23,481.60, but you may experience some financial difficulty. This corresponds to a debt-to-income ratio of 1.1.


8 0
3 years ago
Suppose a brand of light bulbs is normally​ distributed, with a mean life of 1300 hr and a standard deviation of 50 hr. Find the
tatyana61 [14]

Answer:

Step-by-step explanation:

Since the life of the brand of light bulbs is normally​ distributed, we would apply the the formula for normal distribution which is expressed as

z = (x - u)/s

Where

x = life of the brand of lightbulbs

u = mean life

s = standard deviation

From the information given,

u = 1300 hrs

s = 50 hrs

We want to find the probability that a light bulb of that brand lasts between 1225 hr and 1365 hr. It is expressed as

P(1225 ≤ x ≤ 1365)

For x = 1225,

z = (1225 - 1300)/50 = - 1.5

Looking at the normal distribution table, the probability corresponding to the z score is

0.06681

For x = 1365,

z = (1365 - 1300)/50 = 1.3

Looking at the normal distribution table, the probability corresponding to the z score is

0.9032

Therefore

P(1225 ≤ x ≤ 1365) = 0.9032 - 0.06681 = 0.8364

7 0
3 years ago
there are 91 threatened and endangered plants and animals in Texas write and solve an equation to find the number of threatened
TEA [102]
\sf 91 - 28 = threatened~and~endangered~animals\\threatened~and~endangered~animals= 63

Your answer is 63.
3 0
4 years ago
If you put $1,000 in a savings account that pays 5% interest compounded continuously, how much money will you have in your accou
ivann1987 [24]
Given:
Principal = 1,000
rate = 5%
term = 10 years

The continuous compound formula is: A = Pe^rt

e is a function in the calculator. However, if you are doing manual computation the value of e is 2.7183 (Napier's number)

A = 1,000 (2.7183)^0.05*10
A = 1,000 (2.7183)^0.5
A = 1,000 (1.6487)
A = 1,648.70

The money you will have in your account in 10 years will amount to 1,648.70.
4 0
3 years ago
Read 2 more answers
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