The temperature in a freezer is set at -18°C. The temperature in a refrigerator 21° warmer. Should the refrigerator temperature be represented by a positive integer or negative integer? Explain your reasoning

Answer:

Number two

Exact Form:

11/2

Decimal Form:

5.5

Mixed Number Form:

5

1/2

Step-by-step explanation:

sorry I do not know one hope this helps please mark brainliest

Answer:

I am sorry I need points I am really sorry

Answer:

Step-by-step explanation:

0.0000368

None. There is no solution. None of them are equal. 2 to the fifth power is 32.

Most of them equal to something above 80 or are between 50 and 200.

Answer:

C) \(\sqrt{90}\)

Step-by-step explanation:

VY = base and leg

XY = height and leg

VX = hypotenuse (c)

VY:

9 - 6 = 3

Solving for VX(c):

a² + b² = c²

3² + 9² = c²

9 + 81 = c²

c² = 90

c = \(\sqrt{90}\)

Answer:The answer would be C 90

Step-by-step explanation:

9514 1404 393

Answer:

  238 feet

Step-by-step explanation:

The difference in their elevations is ...

  -112 -(-350) = 350 -112 = 238 . . . feet

Answer:

1. 4^2+3^2=5^2

16+9=25

\(\sqrt{25}\)=5

2. a=17.5

3.c=25

Step-by-step explanation:

2. explanation

a^2+b^2=c^2

With this the equation we have to use is this-

c^2+b^2=a^2

So-

15^2+9^2=a^2

(15*15)+(9*9)=(a*a)

225+81=a^2

306=a^2

\(\sqrt{x}\) means finding the number times itself equals 306

\(\sqrt{306}\)=17.492≈17.5

a=17.5

3. explanation

7^2+24^2=c^2

49+576=c^2

625=c^2

\(\sqrt{625}\)=25

c=25

Answer:

167.67 divided by 8.1 = 20.7

\(1\frac{3}{4}\) feet as a multiplication expression using the unit, 1 foot, as a factor is \(1\frac{3}{4}\)×1.

The given fraction is \(1\frac{3}{4}\).

\(1\frac{3}{4}\) feet can be written as a multiplication expression as follows: 1 foot × 1 3/4. This is because \(1\frac{3}{4}\) is the same as 1 + 3/4.

Furthermore, 3/4 can be written as 0.75, which is the same as 0.75 × 1 foot.

Therefore, the multiplication expression is 1 foot × \(1\frac{3}{4}\) = 1 foot × (1 + 0.75) = 1 foot × 1 + 1 foot × 0.75 = 1 foot + 1.75 feet.

Therefore, \(1\frac{3}{4}\) feet as a multiplication expression using the unit, 1 foot, as a factor is \(1\frac{3}{4}\)×1.

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Step-by-step explanation:

1ft=12in

1¾ft=x

x=12×7/4=21in

1¾ft=1¾×1 ft

hope this helps :)

............

Answer: x = 101

Step-by-step explanation:

Answer:

101

Step-by-step explanation:

Answer:

\(y=4(4)^x\)

Step-by-step explanation:

Exponential functions are represented in the form \(y=a(b)^x\), where a is the initial value and b is the multiplier.

Here, we see that when x = 0, y = 4. This means that 4 is our initial value, or a. You can look at the a variable almost being like the y-intercept of a graph.

Next, we must solve for b. We can do 16 ÷ 4 to find the slope, or multiplier of this function, because 16 is 1 input x-value up from 0. 16 ÷ 4 = 4.

So, we now have all the needed variables, so we plug them into the formula

\(y=a(b)^x\)

The values into the slope-intercept form, we have y = -5x - 6

The slope-intercept form of a linear equation is given by:

y = mx + b

where 'm' represents the slope of the line, and 'b' represents the y-intercept.

In this case, the y-intercept is (0, -6), which means that the line crosses the y-axis at the point (0, -6).

The slope is given as -5.

Therefore, substituting the values into the slope-intercept form, we have:

y = -5x - 6

This equation represents the line with a y-intercept of (0, -6) and a slope of -5.

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The subsets of the set {e, n, t} are given as follows:

{{}, {e}, {n}, {t}, {e,n}, {e,t}, {n,t}, {e,n,t}}.

Considering a set with n elements, the number of subsets in the set is the nth power of 2, that is:

\(2^n\)

The set for this problem is given as follows:

{e, n, t}

The cardinality is given as follows:

n = 3.

Hence the number of subsets is given as follows:

2³ = 8.

The subsets are given as follows:

{{}, {e}, {n}, {t}, {e,n}, {e,t}, {n,t}, {e,n,t}}.

In which {} is the empty set.

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Answer:

56%

Step-by-step explanation:

This is because the question you need to ask yourself is: 14 is what percent of 25? and the way you solve that is making it 14/25 and then all percents are out of 100 so you need to change the fraction to over 100 so just multiply by 4 (because 25 x 4 is 100) and you get 56/100, which means 56%.

The height of the painting = x = 9.355 feet

The length of the painting = (x + 4) = (9.355 + 4) = 13.355 feet

Given,

The height of the painting = x feet

The length of the painting = (x + 4) feet

The width of the wooden frame = 12 inches = 1 foot

The area of the picture and frame together = 165 feet²

We have to find the dimensions of the painting:

Area of wooden frame:

2(x + 6) + x = 2x + 12 + x = 3x + 12 feet²

Area of painting:

(x + 4) x = x² + 4x

Area of picture and frame together = Area of wooden frame + Area of painting

165 = 3x + 12 + x² + 4x

165 = 7x + 12 + x²

x² + 7x + 12 -165 = 0

x² + 7x - 153 = 0

By using Quadratic equation find x.

\(\frac{-b(+-)\sqrt{b^{2} -4ac} }{2a}\)

= \(\frac{-7(+-)\sqrt{7^{2} -4(-153)} }{2}\)  = \(\frac{-7(+-)\sqrt{49+612} }{2}\)   =  \(\frac{-7(+-)\sqrt{661} }{2}\)  = \(\frac{-7(+-)25.71}{2}\)

Now,

\(\frac{-7+25.71}{2}\) = \(\frac{18.71}{2}\) = 9.355

Next,

\(\frac{-7-25.71}{2}\) = \(\frac{-32.71}{2}\) = -16.355

Dimensions should never be negative value. So, take x as 9.355.

Therefore,

The height of the painting = x = 9.355 feet

The length of the painting = (x + 4) = (9.355 + 4) = 13.355 feet

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Answer:

They both will finish at the same time.

Step-by-step explanation:

John can finish \(\frac{1}{6}\) of the pizza in 2 minutes.

2 minutes ---> \(\frac{1}{6}\)

1 minutes ---> 0.833

Billy can finish \(\frac{1}{4}\) of the pizza in 3 minutes.

3 minutes ---> 0.25

1 minutes ---> 0.0833

Therefore, they both shall finish at the same time.

Answer:

Step-by-step explanation:

In one pizza, there are 6 sixths and John will take .

2 × 6 = 12 minutes to finish one pizza

In one pizza, there are 4 quarters and Billy will take .

3 × 4 = 12 minutes to finish one pizza.

It takes each one of them 12 minutes and they will finish at the same time.

Answered by: ms115

Answer:

(8/5, 0)

Step-by-step explanation:

5x - 4(0) = 8

5x = 8

x = 8/5

Answer:

Option B is correct.

add 4 times the second equation to 3 times the first equation

Step-by-step explanation:

Answer:

B) add 4 times the second equation to 3 times the first equation

Step-by-step explanation:

So you have these two equations:

2x - 4y = 6

-3x + 3y = 12

In order "to solve this system of equations by elimination" we want to make BOTH of the equations have a term (in this case the y term) and have the same coefficient (that's the number right next to the y) If they are the exactly same number, even the same sign in front, then we would subtract the equations. If they have the same coefficient but different signs, then we would add the equations. This will eliminate the y term completely. So in order to make them have the same coefficient. We'll multiply the first equation by 3 and the second equation by 4

3(2x - 4y = 6)

4(-3x + 3y = 12) multiplying all the way across the equation (distributing)

We'll get

6x -12y = 18

-12x + 12y = 48 Then you are actually adding from the top, down and get one equation from adding the two existing ones together.

-6x = 66 And then you are able to solve it by dividing both sides by -6 to get

x = -11

You can then use either equation and x = -11 to find y. Your solution is the x, y pair. You can check it by putting the x and y into both equations and finding it makes a true statement in both.

Navern's manufacturing cycle efficiency (MCE) for its elevators is: 41.4%

The formula for obtaining the manufacturing cycle efficiency is value-added time divided by the production cycle time * 100. In the data given, the process and inspection times qualify as a value-added time

Process time = 23 days

Inspection time = 13 days

Value added time = 23 + 13 = 36days

The production cycle time = Move time + process time + queue time + inspection time + wait time

= 22 + 12 + 23 + 13 + 17 days

= 87 days

So, the manufacturing efficiency time = 36/87 * 100

= 41.4%

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A rectangular prism is thought of as being created by stacking congruent polygons.

A solid (3-dimensional) object which has six faces that are rectangles. It has the same cross-section along a length, which makes it a prism.

Two geometric figures are said to be congruent, or to be in the relation of congruence, if it is possible to superpose one of them on the other so that they coincide throughout.

Stacking congruent figures means arranging the congruent figures on the top of the other until it become a large pile.

According to the given question.

We have to stack the congruent polygons.

As we know that stacking up means ​to keep increasing in quantity until we get a large pile.

Since, when we piled up of stack the congruent polygons we will get a prism.

For example when we stack congruent squares we will get cube or we can say a rectangular prism.

If we stack congruent octagons we will get an octagon prism.

Hence, a rectangular prism is thought of as being created by stacking congruent polygons.

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Answer: the awnser will be 17.55$

Step-by-step explanation: cause you multiply 6.5 x 2.70

Answer:

Set your calculator to Degree mode.

a² = 17² + 20² - 2(20)(17)cos(89°)

a² = 677.13236

a = 26.0 in.

sin(89°)/26.02177 = (sin B)/17

sin B = 17sin(89°)/26.02177

B = 40.8°

C = 50.2°

We can use the logarithmic identity log_a(b) + log_a(c) = log_a(bc) to simplify the left side of the equation:

log_2(x) + log_4(x+1) = log_2(x) + log_2((x+1)^(1/2))

Using the rule log_a(b^c) = c*log_a(b), we can simplify further:

log_2(x) + log_2((x+1)^(1/2)) = log_2(x(x+1)^(1/2))

Now we can rewrite the equation as:

log_2(x(x+1)^(1/2)) = 3

Using the rule log_a(b^c) = c*log_a(b), we can rewrite this as:

x(x+1)^(1/2) = 2^3

Squaring both sides, we get:

x^2 + x - 8 = 0

This is a quadratic equation that can be solved using the quadratic formula:

x = (-b ± sqrt(b^2 - 4ac)) / 2a

where a = 1, b = 1, and c = -8. Plugging in these values, we get:

x = (-1 ± sqrt(1^2 - 4(1)(-8))) / 2(1)

x = (-1 ± sqrt(33)) / 2

x ≈ -2.54 or x ≈ 3.54

However, we must check our solutions to make sure they are valid. Plugging in x = -2.54 to the original equation results in an invalid logarithm, so this solution is extraneous. Plugging in x = 3.54 yields:

log_2(3.54) + log_4(4.54) = 3

0.847 + 0.847 = 3

So x = 3.54 is the valid solution to the equation.

Answer:

B. (-12)(-12)=144 Hope that helps

Step-by-step explanation:

Answer:

a. y(cost) = 4.95g + 5.45c

b. $91.12

Step-by-step explanation:

a. Joe bought g gallons of gasoline for 4.95, this can be represented as 4.95g. He bought c cans of oil for 5.45, this can be represented as 5.45c. Add them together to find the total cost, and it will look like this: y(cost) = 4.95g + 5.45c.

b. g = 9.6 gallons

c = 8 cans of oil

Plug these into the equation we did in part A

y(cost) = 4.95(9.6) + 5.45(8)

Solve

y(cost) = 47.52 + 43.6

y(cost) = 91.12

Therefore, if Joe bought 9.6 gallons of gasoline and 8 cans of oil, all in all he spent $91.12.

Hope this helps!!

- Kay :)

Maureen's pension would be $50,035.20.

What is Percentage?

To compute a percentage, divide the value by the entire amount and multiply the result by 100. A percentage is a quantity or ratio that is stated as a fraction of one hundred. The percent sign, "%," is frequently used to represent it.

First, we need to calculate the average of Maureen's three highest salaries:

Average = (107,000 + 107,800 + 108,198) / 3

Average = 322,998 / 3

Average = 107,666

Next, we need to calculate 1.56% of this average:

Percentage = 1.56% * 107,666

Percentage = 1,667.84

Finally, we multiply this percentage by the number of years worked to find the pension:

Pension = 30 * 1,667.84

Pension = 50,035.20

So, Maureen's pension would be $50,035.20.

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Answer:

  7 boxes

Step-by-step explanation:

The area of a rectangular prism is given by the formula ...

  A = 2(LW +H(L+W))

The amount of wallpaper Carmen needs for one box is found by computing the area of the box.

__

  A = 2(5·6 +7(5+6)) = 2(30 +7·11) = 2(107) = 214 . . . square feet

  Carmen will be using a total of 214x square feet of wallpaper to cover x boxes. She has 1498 ft² available, so can cover ...

  1498 ft²/(214 ft²/box) = 7 boxes

Carmen has enough wallpaper to cover 7 storage boxes.

The plan cost same for 800 minutes.

A branch of mathematics known as algebra deals with symbols and the mathematical operations performed on them.

Variables are the name given to these symbols because they lack set values.

In order to determine the values, these symbols are also subjected to various addition, subtraction, multiplication, and division arithmetic operations.

Given:

Plan A costs $12 plus an additional $0.14 for each minute of calls.

Plan B costs $28 plus an additional $0.12 for each minute of calls.

let the number of minutes for which two plans are equal be x.

so, 12 + 0.14x = 28 + 0.12 x

12 - 28 = 0.12x - 0.14x

-16 = -0.02x

x= 800 minutes

and, the plan cost

y = 12 + 0.14x

y = 12 + 0.14(800)

y = $124

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