Which of the following is a solution of y - x < -3?

Answers

Answer 1

Answer: If you would like to find the solution for the inequation y - x < - 3, you can do this using the following steps:

y - x < - 3
y - x + x < - 3 + x
y < - 3 + x
y < x - 3

The correct result would be y < x - 3.

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At the metal-casting company where you work, you must set up a conveyor system to move castings from the furnace to the heat treatment area 55 yards away. The castings cool at the rate of 0.3°F (degrees Fahrenheit) per second and must not be allowed to cool more than 7°F before being heat treated. What is the minimum speed, in feet per second, that the conveyor must move?

Answers

Answer:

the minimum speed, in feet per second, that the conveyor must move is 7.07143 ft/sec

Step-by-step explanation:

Let's assume time it takes to cool is 't' seconds

so, we are given

The castings cool at the rate of 0.3°F (degrees Fahrenheit) per second

so, total change in temperature will be

$=0.3* t$

$=0.3t$

must not be allowed to cool more than 7°F before being heat treated

so, that temperature must be equal to 7

$0.3t=7$

now, we can solve for t

$t=(7)/(0.3)$

$t=(70)/(3)$ sec

now, we are given length of casting is 55 yards

so, firstly we will change it into ft

1 yard =3 ft

so,

$55 yard=3* 55 ft$

$55 yard=165 ft$

so, we have

total length =55 ft

now, we can use speed formula

$speed=(length)/(time)$

we can plug values

$speed=(165)/((70)/(3) )$

so, speed is 7.07143 ft/sec

Answer:

7.07 is the answer i got as well

Step-by-step explanation:

For the first 4 years of a pig's life, the weight w (in kilograms) of the pig approximately fits the formula w(t) = 2 +14t, where t is the age of the pig in years.Which of the following is the most accurate interpretation of the slope of the line represented by this formula?.A. The slope is 14. This means that the pig gains a total of 14 kilograms in the first 4 years of its life.
B. The slope is 2. This means that the pig gains on average 2 kilograms per year for the first 4 years of its life.
C. The slope is 14. This means that the pig gains on average 14 kilograms per year for the first 4 years of its life.
D. The slope is 2. This means that the pig gains a total of 2 kilograms in the first 4 years of its life.

Answers

C. the slope is the coefficient of the variable and you have given that it describes the growth for 4 years.

i think the answer is B.

In a restaurant, Chad tracked the number of children and adults that came in over an hour. During that time, 16 children and 40 adults came in the restaurant. What is the ratio of adults to children that came into the restaurant?a. 2:7
b. 5:3
c. 5:7
d. 5:2

Answers

you have 40/16
simplified by 8 and you have 5:2
so the answer is d. 5:2

At a local store you find the following prices listed: Cellophane tape - 2 rolls for $1.28
Note pads - 3 pads for .87
Highlighters - 1 for 1.59
Ink cartridges - 2 boxes for 1.98
How much would you pay for one roll of tape, two note pads, two highlighters, and two boxes of ink cartridges?

Answers

2 rolls of tape cost $1.28, so to find out how much one costs, u have to split it in half = 64 cents

3 note pads cost 0.87 cents, so first u have to find out how much one costs. You have to do 0.87÷3 = 0.29. Since you are buying 2 you have to multiply 0.29×2 = 58 cents

1 highlighter costs 1.59, you want to buy to so you have to multiply. 1.59×2 = 3.18 dollars

Ink cartridges are already calculated in 2 so the cost for the cartridges is gonna be = 1.98 dollars

Now since u have all the prices for quantity u need u just have to add.
.64 + .58 + 3.18 + 1.98 = $6.38

Your FINAL TOTAL ANSWER is $6.38
Hope I helped :)

Just find the unit price for each item then muktiply it by how many your buying. To find unit orice you divide price by amount. Then multiply that by 2 if your finding two, 3 and so on. Then add all the bumbers up

A number increased by 8 gives the same result as a number multiplied by 8. whay is that number?

Answers

$x+8=8x\n 7x=8\n x=(8)/(7)$

Sally sold 1000987 hot dogs 3 years how many will she sell in 6 years

Answers

so 1000987 in 3 years or 1000987:3 or i like to put it as 1000987:3
we notice that 6 is 2 times of 3 so we just multiply 1000987:3 by 2 and get 2001974:6
2001974 in 6 years

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