3 years ago

I don't understand this

Mathematics

1 answer:

Deffense [45]3 years ago

7 0

Don't understand what?

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(79,35+7,32) × 42,2-9543

vladimir2022 [97]

Answer:

42(79,42,32)

Step-by-step explanation:

I got the solution by using the Trigonometric Identities. If somebody else could do a step by step explanation that would be great.

3 0

2 years ago

Suppose that $2000 is invested at a rate of 4%, compounded semiannually. Assuming that no withdrawals are made, find the total a

creativ13 [48]

Answer:

Step-by-step explanation:

A = P(1+r/n)^ nt

A = 2000(1+.04/2)^(5*2)

A = $2000(1.02)^{10}$ = $2437.99

5 0

3 years ago

Using the quadratic formula, what is the value of x for x^2-4+5=0

PSYCHO15rus [73]

value of x is: x= i and x= -i

Step-by-step explanation:

We need to find the value of x from $x^2-4+5=0$ using quadratic formula.

The term is: $x^2+1=0$

The quadratic formula is:

$x=\frac{-b\pm\sqrt{b^2-4ac}}{2a}\\$

Where a = 1, b=0,c=1

Putting values:

$x=\frac{-b\pm\sqrt{b^2-4ac}}{2a}\\x=\frac{0\pm\sqrt{(0)^2-4(1)(1)}}{2(1)}\\x=\frac{\pm\sqrt{-4}}{2}\\x=\frac{\pm2i}{2}\\x=\pm i$

So, value of x is: x= i and x= -i

Keywords: Quadratic formula

Learn more about quadratic formula at:

#learnwithBrainly

4 0

3 years ago

I really need help with this problem asap? I would be so grateful if you could help!!!

g100num [7]

Assuming that you got the numbers right and that I did my calculations right, then the answer is <span>2998.45 tons.</span>

5 0

3 years ago

Find a solution for b3 = 8.

lilavasa [31]

Answer:

sln

b3=8(dived by 3 both sides)

b=8/3

I hope this help you

5 0

2 years ago

Read 2 more answers