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DochEvi [55]
4 years ago
12

PLEASE HELP!! I need this done by tomorrow

Mathematics
1 answer:
gayaneshka [121]4 years ago
3 0
1)
348•3=1044
1044+303= 1347

Answer- 1,347 calories

2)
348•5=1740
1740•6=10440
10440+390=10,830

Answer- 10,830 calories per week

3)
23.9•8=191.2
191.2+3.5=194.7

Answer- $194.70

4)
420•0.18=75.6
75.6+15=90.6

Answer- $90.60

5)
6•5=30
30+25=55

Answer- 55 minuets
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Simplify the expression to a + bi form:<br> (-2 - 6i)?
mixer [17]

The expression (-2 - 6i)-(-2-4i) to a + bi form is 0 - 2i.

Complete question.

Simplify the expression to a + bi form:

(-2 - 6i)-(-2-4i)

Square root of any negative number are expressed as a complex number. For example i = √-1

Complex numbers are generally written in the format z = x+iy

Given the expression (-2 - 6i)-(-2-4i)), in expansion:

(-2 - 6i)-(-2-4i)

= -2 - 6i + 2+4i

Collect the like terms

= (-2 + 2) - 6i + 4i

= 0 - 2i

Therefore the expression (-2 - 6i)-(-2-4i) to a + bi form is 0 - 2i.

Learn more on complex number here: brainly.com/question/12375854

6 0
3 years ago
According to the line graph below, what is the total number of tickets sold?
Diano4ka-milaya [45]

Answer:

I am guessing 145 so B

Step-by-step explanation:

6 0
3 years ago
Two wizards make boxes with secret compartments to sell at the magic convention. Fred plans to make 160 boxes by the start of th
svetlana [45]

Answer:

10

Step-by-step explanation:

No i dont think I wil

6 0
3 years ago
Divide and simplify to the form a+bi. 5+6i 5+6i 6+ i (Simplify your answer. Type an integer or a fraction. Type your answer in t
alekssr [168]

Answer:

-\frac{6}{37} + \frac{371}{37}i

Step-by-step explanation:

We need to evaluate \frac{(5+6i)(5+6i)}{6+i}

(5+6i)(5+6i) = (25 + 36i² + 60i) = (25 - 36 + 60i) = -11 + 60i

= \frac{-11+60i}{6+i}

Now we rationalize the denominator.

Now, multiplying both the numerator and denominator by (6-i)

\frac{-66 + 11i + 360i - 60i^2}{36 - i^2} = \frac{-66 + 60  + 371i}{37} = \frac{-6 + 371i}{37}

= -\frac{6}{37} + \frac{371}{37}i

Formula used:

(a+b)² = a² + b² + 2ab

i² = -1

6 0
4 years ago
Country bank pays a simple interest rate of 4% per year. A student plans to invest 5000. How much money will the student have at
Advocard [28]

Answer:

$6200

Step-by-step explanation:

Given data

Rate= 4%

Principal=$5000

Time = 6 years

The simple interest formula is

A=P(1+rt)

substitute

A=5000(1+0.04*6)

A= 5000(1+0.24)

A=5000*1.24

A=$6200

3 0
3 years ago
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