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exis [7]
3 years ago
12

The roots of x2 -( ) +34 are 5 -/+3i

Mathematics
1 answer:
asambeis [7]3 years ago
7 0

Answer: 10

Step-by-step explanation:

Vieta's formulas :

5 - 3i + 5 + 3i = b ⇒ b =10

Now, we have the equation:

x² -10x + 34 = 0

Mark me brainliest

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PLEASE HELP
EleoNora [17]

Answer:

35N

Step-by-step explanation:

Find the constant multiplied to the mass:

8 * k = 40

Divided by 8

k = 5

Find the weight of a 7 kg mass

7 * 5 = 35N

5 0
4 years ago
Write the following as a ratio: 304 calories burned in 56 minutes
IgorC [24]

Answer:

The required ratio is 38 : 7

Step-by-step explanation:

Given,

304 calories burned in 56 minutes,

That is, the number of calories burnt in 56 minutes = 304

So, the ratio of the calories burnt and time in minutes  = \frac{304}{56}

∵ HCF(304, 56) = 8,

Thus, the ratio of price of photos and number of photos = \frac{304\div 8}{56\div 8}

= \frac{38}{7}

6 0
3 years ago
If there are more negative numbers in an equation will the answer be negative?
Free_Kalibri [48]

Answer:

Not Always

example:

Yes:

12 - 4 + 20 - 16 - 32

32 - 48 = -20

No:

23 - 8 + 21 - 7 + 2 - 6 = 25

5 0
3 years ago
Read 2 more answers
A car dealer will sell you a used car for $6,498 with $798 down and payments of $162.51 per month for 48 months. what is the int
Mkey [24]

Answer:

Interest rate is 1.4% and APR is 16.8%.

Step-by-step explanation:

Given,

The original cost of the car = $ 6,498,

Down payment =  $ 798,

So, the present value of loan, P.V. = original cost - down payment

= $ 6,498 - $ 798 = $ 5700,

Now, the monthly payment, P = $ 162.51,

Number of months, n = 48,

Let r be the monthly interest rate,

Since, monthly payment formula of a loan,

P=\frac{PV(r)}{1-(1+r)^{-n}}

162.51=\frac{5700r}{1-(1+r)^{-48}}

By graphing calculator,

r=0.014= 1.4\%

Hence, interest rate = 1.4%,

And, APR = 12 × 1.4% = 16.8%.

4 0
3 years ago
What is the product of 45.23 and 7.4?
diamong [38]
The answer of 45.23 and 7.4 is 334
5 0
3 years ago
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