8-4(-x+5).

Mom I can’t find my homework

Answers

Answer 1
Answer:

Answer:

8-4(-x+5)

8 +4x -20

4x -12

Step-by-step explanation:

8-4(-x+5)

8 +4x -20

4x -12


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Please answer ASAP! An explanation is a MUST REQUIREMENT in order to receive points and the Brainliest answer. Thank you.

What happens to the quotient when the divisor increase

Answers

the quotient decreases
The quotient is going to increase because they both copy each other. If the quotient decreases, then the divisor would decrease. And the same vice versa. 

Translate the points -6,-5 left 2 units down 5 units

Answers

Your x-cordinate will be = (-6-2)  I subtsratced becuase you said left (-x direction)

Y cordinate : (-5-5) Substracted becuase you said down (-y axis)

SO the coordinate is: (-8,-10)

Molly uses 192 beads to make a bracelet and a necklace. It takes 5 times as many beads to make a necklace than it does to make a bracelet. How many beads are used to make the necklace?

Answers

960 beads are used to make the necklace.

192 x 5 = 960, so that's how i got my answer and then you just divide to check if it's right or not.


192 x 5 = 960 beads for necklace

Substitution: y-2x=-6 and 5x-y=9

Answers

y-2x=-6 and 5x-y=9   

step 1: isolate y in the first equation

y = 2x - 6

step 2:  substitute the y value on the 2th equation:

5x-(2x-6)=9

step 3:  solve the present equation:

5x - 2x + 6 = 9
3x = 9-6
3x = 3
x = 1

step 4: get the y value by replacing the value of x in 
y = 2x - 6:

y = 2*1 - 6
y = 2 - 6
y = -4

S={1, -4}



\left \{ {\big{y-2x=-6} \atop\big {5x-y=9\ \ }} \right. \n\n \left \{ {\big{y=2x-6\ \ \ \ \ \ \ \ \ \ } \atop\big {5x-(2x-6)=9\ \ }} \right. \n\n \left \{ {\big{y=2x-6\ \ \ \ \ \ \ \ \ \ } \atop\big {5x-2x+6=9\ \ }} \right. \n\n \left \{ {\big{y=2x-6\ \ } \atop\big {3x=3\ /:3 }} \right. \n\n \left \{ {\big{y=2x-6 } \atop\big {x=1\ \ \ \ \ \ }} \right. \n\n \left \{ {\big{y=-4 } \atop\big {x=1\ }} \right. \n\n

Ans.\ \left \{ {\big{x=1} \atop\big {y=-4}} \right. \ \ \ \Rightarrow\ \ \ point:\ \ (1;-4)

Write and solve a real world problem that can be represented by the expression (-3)(5)+10

Answers

i have rows of cookies, with 5 cookies in each row. i have to give 3 rows away, but after i do that then my friend gives me 10 cookies from their bag, what is the change in the total number of cookies i have.

this gets you the -3(5) and then + 10 which -3(5)+10 = -5

I lost 5 cookies

Problem:

The initial temperature of a room is equal to 10 degrees Celsius. The temperature of the room decreases by 3 degrees per day. Find the temperature of the room in 5 days.

Solution:

The temperature of the room in five days is given by the expression:

Resolving the expression we have:

Therefore, the temperature of the room for day number 5 is equal to -5 degrees Celsius.

A carpark can hold 100 vehicles. 4/5 for cars and the rest for vans. If the carpark has 60 cars and is 3/4 full, how many vans are in the carpark.

Answers

there is space for 80 cars and 20 vans
if the park is 3/4 full there must be 75 cars and vans
so 75 - 60 (the amount of cars there) = 15

There are 15 vans