HELP ME I BEG U!!!!!!!!!!!

Answers

Answer 1

Answer: For 2, it is -5 and 11. That would make the denominator zero.
3, not equal to -5 or 7

Answer 2

Answer: I only know one and i would say that it is the first one .
Y=5/x+3

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Whats 600*50000+60 to this math problem

Answers

Let's see -

Wow! You'll be surprised to see how big your answer will be!

600 × 50,000 = 30,000,000

30,000,000 + 60 = 30,000,060

Final answer -

30,000,060

WOW! Big, right? :)

↑ ↑ ↑ Hope this helps! :D

If x is the midpoint of -21 and 18, find the value of x.
midpoint =

Answers

The distance from -21 to 18 would be 39 units ( -21 to 0 is 21 and from 0 to 18 is 18 , 21 +18 = 39)

To find the midpoint distance, divide the total distance by 2:

x = 39/2

x = 19.5

Now to find the midpoint, either add 19.5 to -21 or subtract 19.5 from 18.

Midpoint = -1.5

Answer:

−1½ = x

Step-by-step explanation:

First, find the range in between 18 and −21, which is 39:

$18 - x = -21 \n \n 39 = x$

Take half of that range, then add that to −21:

$19(1)/(2) = (39)/(2) \n \n -21 + 19 (1)/(2) = -1(1)/(2)$

I am joyous to assist you anytime.

Write a real world problem that can be represented by 10x + 40 = 100.

Answers

10x + 40 = 100

A restaurant owner sells each plate of rice for 10 dollars plus an additional 40 dollars for the entrance. Mack goes to that restaurant and pays 100 dollars in total. How much plates of rice did he order?

Maria ordered expensive pizza from a restaurant. The fee for delivery was $40 because her house was so far away and each pizza cost $10. At the end, she paid the delivery boy $100. With no tips or taxes, how many pizza boxes did she buy.

A bakery sold 111 cupcakes in one day. The head baker predicted he would sell 91 cupcakes that day. What was the percent error of the baker's prediction?18.02%

81.98%

20%

21.98%

Answers

$111-91=20-error\n\n\begin{array}{ccc}91&-&100\%\n\n20&-&p\%\end{array}\ \ \ |cross\ multiply\n\n\n91p=100\cdot20\n91p=2000\ \ \ \ |divide\ both\ sides\ by\ 91\n\n\boxed{p\approx21.98\ (\%)}\leftarrow answer$

On a coordinate plane, 2 straight lines are shown. The first solid line has a positive slope and goes through (0, negative 2) and (2, 0). Everything to the left of the line is shaded. The second dashed line has a negative slope and goes through (0, 2) and (4, 0). Everything below and to the left of the line is shaded. Which system of linear inequalities is represented by the graph? y > x – 2 and x – 2y < 4 y > x + 2 and x + 2y < 4 y > x – 2 and x + 2y < 4 y > x – 2 and x + 2y < –4

Answers

Answer:

$y\geq x-2$

$x+2y<4$

Step-by-step explanation:

step 1

Find the equation of the first inequality

Find the equation of the first solid line

we have the ordered pairs

(0,-2) and (2,0)

Find the slope

The formula to calculate the slope between two points is equal to

$m=(y2-y1)/(x2-x1)$

substitute the values

$m=(0+2)/(2-0)$

$m=(2)/(2)$

$m=1$

The equation in slope intercept form is equal to

$y=mx+b$

we have

$m=1$

$b=-2$ ---> the y-intercept is given

substitute

$y=x-2$

Remember that

Everything to the left of the solid line is shaded

The inequality is

$y\geq x-2$

step 2

Find the equation of the second inequality

Find the equation of the second dashed line

we have the ordered pairs

(0,2) and (4,0)

Find the slope

The formula to calculate the slope between two points is equal to

$m=(y2-y1)/(x2-x1)$

substitute the values

$m=(0-2)/(4-0)$

$m=(-2)/(4)$

$m=-(1)/(2)$

The equation in slope intercept form is equal to

$y=mx+b$

we have

$m=-(1)/(2)$

$b=2$ ---> the y-intercept is given

substitute

$y=-(1)/(2)x+2$

Remember that

Everything below and to the left of the line is shaded

The inequality is

$y<-(1)/(2)x+2$

Rewrite

Multiply by 2 both sides

$2y<-x+4$

$x+2y<4$

therefore

The system of inequalities is

$y\geq x-2$

$x+2y<4$

see the attached figure to better understand the problem

Answer:

17 1st option

35 2nd option

Step-by-step explanation:

Valerie roller-skated 4 miles at an average speed of 8 mph. She started her skate at 4:15 p.m. Which explanation correctly tells how to calculate what time it was when Valerie finished her skate?

A.
Step 1 Divide: 8 ÷ 4.
Step 2 Multiply that quotient by 60.
Step 3 Add the number of minutes to 4:15 p.m.

B.
Step 1 Multiply: 8 × 4.
Step 2 Multiply that product by 60.
Step 3 Add the number of minutes to 4:15 p.m.

C.
Step 1 Multiply: 8 × 4.
Step 2 Divide that product by 60.
Step 3 Add the number of minutes to 4:15 p.m.

D.
Step 1 Divide: 4 ÷ 8.
Step 2 Multiply that quotient by 60.
Step 3 Add the number of minutes to 4:15 p.m.

Answers

4 miles
8 miles per hour
4/8=1/2
skated for 1/2 hour
1/2 times 60=30
4:15+30=4:45

answer is D