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erik [133]
3 years ago
7

Evaluate: 5 + 2 • 42?

Mathematics
2 answers:
Licemer1 [7]3 years ago
6 0

5 + ( 2 × 42 ) =

5 + 84 =

89

.....

.....

DanielleElmas [232]3 years ago
6 0

Answer:

89

Step-by-step explanation:

So we will follow PEMDAS <u>in </u><u>this </u><u>exact </u><u>order:</u>

P- Parentheses

E- Exponents

M- Multiplication

D- Division

A- Addition

S- Subtraction

<u> </u><u> </u><u> </u><u> </u><u> </u><u> </u><u> </u><u> </u><u> </u><u> </u><u> </u><u> </u><u> </u><u> </u><u> </u><u> </u><u> </u><u> </u><u> </u><u> </u><u> </u><u> </u><u> </u><u> </u><u> </u><u> </u><u> </u><u> </u><u> </u><u> </u><u> </u><u> </u><u> </u><u> </u><u> </u><u> </u><u> </u><u> </u><u> </u><u> </u><u> </u><u> </u><u> </u><u> </u><u> </u><u> </u><u> </u><u> </u><u> </u><u> </u><u> </u>

5 + 2 • 42 Equation

5 + (2 • 42) We have no parentheses or exponents so we move on to <u>multiplication</u>

5 + 84 We have no division so we move on to <u>addition</u>

= 89 We have no subtraction so this is our <u>final</u><u> </u><u>answer</u>

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What is two thousand, six hundred nine dollars and seventy five cents written in expanded notation​
Gnesinka [82]

Answer:

2000+600+9+.75 maybe?

Step-by-step explanation:

5 0
3 years ago
Read 2 more answers
The exterior angle of a regular polygon is 36º.<br> How many sides does the polygon have?
Mrac [35]

Answer:

10

Step-by-step explanation:

The sum of the measures of the exterior angles in a convex polygon is 360°. And each exterior angle measure 36 degrees so Number of side will be 10.

3 0
3 years ago
The differential equation of a certain system is 20⁢y′⁢′+c⁢y′+80⁢y=0
Sholpan [36]

Answer:

c=80

Step-by-step explanation:

Based on my reading the critical damping occurs when the discriminant of the quadratic characteristic equation is 0.

So let's see that characteristic equation:

20⁢r^2+c⁢r+80⁢=0

The discriminant can be found by calculating b^2-4aC of ar^2+br+C=0.

a=20

b=c

C=80

c^2-4(20)(80)

We want this to be 0.

c^2-4(20)(80)=0

Simplify:

c^2-6400=0

Add 6400 on both sides:

c^2=6400

Take square root of both sides:

c=80 or c=-80

Based on further reading damping equations in form

a⁢y′⁢′+b⁢y′+C⁢y=0

should have positive coefficients with b also having the possibility of being zero.

5 0
3 years ago
Area 9 perimeter 20 what is the length and width
oksano4ka [1.4K]

Answer:4.5 x 2

Step-by-step explanation:

4.5 x 2 = 9

Hope it helps

8 0
3 years ago
What are the solution
AleksandrR [38]

Answer:

B

Step-by-step explanation:

We can get two equations from the inequality:

3x+2>9\\3x+2>-9

We just need to simplify both equations to get our answers:

3x+2>9\\3x>7\\x>\frac{7}{3}

3x+2>-9\\3x>-11\\x>\frac{-11}{3}

The two answers we get are:

x\frac{7}{3}

Which is also B.

3 0
2 years ago
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