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kirza4 [7]
3 years ago
5

What is the value of the expression: 9 + 5 x (-3) – (6 – 2) ÷ 4 show and explain the work please ?

Mathematics
2 answers:
vekshin13 years ago
6 0
-7.
5x-3 = -15
-15-4\4= -16
-16 + 9 = -7
MAVERICK [17]3 years ago
5 0
Using with PEMDAS: First, using with parentheses, you do 6-2= 4. Now the problem should be 9+5×(-3)-4÷4. Then, exponents, but in this problem, there are no exponents so we can skip that. Now, M (Multiplying), if you see a multiplication problem, just do it. 5×(-3)= -15. If the two signs are the same, then the answer will be a positive. But the two factors are different so they have to be negative. 9+(-15)-4÷4, should be the problem. Now, D (Division), you get 4÷4= 1. The problem should be 9+(-15)-1. This should be A, or Addition. 9+(-15)= -6. So, (-6)-1. The last one is subtraction so get (-6)-1 equals -5. The answer should be a -5.

(Remember, if you see several multiplication problems, do it from left to right. This goes for all of the PEMDAS strategy.)
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7. The total cost to rent a truck is $100 and $0.20 per km.
eduard

Answer:

. The total cost to rent a truck is $100 and $0.20 per km. a. Determine an algebraic model for the relationship between total cost and distance driven. Use Cto represent total cost ($) to rent the truck and d to represent distance driven (km). C=$100+$0.20d b. Create a graphical model. You may use the Linear Graphing Tool or Desmos to create your graphical model. Take a screenshot of your graph and paste it here.

Thank you

4 0
2 years ago
Please help!!! It's due rn!​
nexus9112 [7]

Step-by-step explanation:

In triangles BAD and BCD ,

BD=BD (common)

angle BDA= angle BCD {90°each(given)}

AD=DC (given)

.•. traingle BAD is congruent to triangle BCD (SAS criterion)

Hence , angle A = angle C (CPCT)

8 0
2 years ago
FAST YOU ANSWER FIRST YOU GET FREE BRAINLIEST
11111nata11111 [884]
-10v^9+8v^6+2v^5

10=5*2
8=2^3
2=2

The common factor is 2 and its least exponent is 1
The least exponent for the variable v is 5

Then, the GFC of the polynomial is 2v^5

Factoring:
2v^5 [ -(10v^9)/(2v^5)+(8v^6)/(2v^5)+(2v^5)/(2v^5) ] =
2v^5 (-5v^(9-5)+4v^(6-5)+1) =
2v^5 (-5v^4+4v+1)
8 0
3 years ago
Read 2 more answers
Find the sum of the interior angles of a regular 14-gon.
Ira Lisetskai [31]

9514 1404 393

Answer:

  2160°

Step-by-step explanation:

The sum of interior angles of a convex n-gon is ...

  angle sum = 180(n -2)°

When n=14, the angle sum is ...

  angle sum = 180(14 -2)° = 2160°

4 0
3 years ago
Who’s right? And why?
kvasek [131]

Answer: Raymond is correct

The DJ charges $75 an hour.

=================================================

Explanation:

x = number of hours

y = total cost

The DJ does a 3-hour event for $275. This means one point is (x,y) = (3,275)

Another point is (5,425) because a 5-hour event costs $425.

Let's find the slope of the line through these two points.

(x_1,y_1) = (3,275) \text{ and } (x_2,y_2)  = (5,425)\\\\m = \frac{y_{2} - y_{1}}{x_{2} - x_{1}}\\\\m = \frac{425 - 275}{5 - 3}\\\\m = \frac{150}{2}\\\\m = 75\\\\

The slope is 75, meaning that each time y goes up by 75, x goes up by 1.

Flipped around it means each time x goes up by 1, y goes up by 75.

This means each time we add on an extra hour, the cost goes up by $75.

The DJ charges $75 an hour. Raymond is correct.

3 0
2 years ago
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