Mentally estimate the total cost of items that have the following prices: $1.85, $.98, $3.49, $9.78, and $6.18. Round off your answers to the nearest half-dollar.

Answers

Answer 1

Answer: Twenty two and a half dollars

Answer 2

Answer: 119 the exact answer is 119.3 though

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If x is greater than 0 and y is greater than 0, then which quadrant holds the solutions?

Answers

If both x and y are greater than 0 then it is in quadrant 1

type the equation that shows the relationship between the variables in this chart: x: 1,2,3,4,5 and y: 7,14,21,28,35

Answers

The equation that relates the x and y values in the chart above is: y = 7x. It can be observed that each value of x when multiplied with a factor of 7 gives the corresponding y value. For example, for x equals 1, y is equal to 7 times 1 which gives a value of 7. For x equals 5, the y value is equal to 7 times 5 which gives the number 35.

Final answer:

The chart displays a linear relationship between x and y, represented by the equation y = 7x. Here, x is the independent variable, with y changing dependent on x's value.

Explanation:

The relationship between the variables x and y in the chart can be represented by the equation y = 7x. This is a type of linear equation. In this formula, x is the independent variable, and y is the dependent variable. The value of y depends on the value of x. You can check the validity of the equation by substituting the value of x from the chart into the equation to obtain the corresponding y-values. For example, when x = 1, y = 7*1 = 7, which matches the corresponding y value in the chart. This process can be repeated for all x values.

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Evaluate -4 - 5 + 4 + (-5)

Answers

Answer:

-10

Step-by-step explanation:

Answer:

-10

Step-by-step explanation:

it just works

Peter uses unit cubes to build a figure in the shape of the letter x. What is the fewest unit cub es that peter can use to build the figure?

Answers

X letter is formed by two lines. The minimum amount of cubes that one side may have to look a line that cross other line is 3, but given that one cube is shared by the two lines you only need 5 cubes. So the answer is that the fewest unit cubes that Peter can use to build the figue in the shpe of X is 5 cubes.

The welding rate of a third robot is represented by the equation w = 10.8t, where w represents the number of welding tasks and t represents the time in minutes. How does it compare to the other two?

Answers

The equation w = 10.8t is a proportional equation where the constant of proportionality is 10.8.

What is an equation?

An equation is a mathematical statement that is made up of two expressions connected by an equal sign.

Example:

2x + 4 = 9 is an equation.

We have,

w = 10.8t

Where w is the number of wielding tasks and t is the time it takes.

Now,

W is proportional to t.

The constant of proportionality is 10.8.

Thus,

The number of welding is proportional to the time it takes.

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Answer:

In some cases unemployment rates increase with the level of education of the ... not only provides skills for performing different vocational tasks, but also identifies and ... Similarly some- times model firm comparison methods are used to derive the ... The third step is the estimation of labour productivity by economic sector for

Step-by-step explanation:

What additional information do you need to prove that ∆LMO ≅ ∆LNO by the HL Theorem? ∠NLO ≅ ∠MLO ∠MOL ≅ ∠NOL

Answers

The hypotenuse leg theorem states that any two right triangles that have a congruent hypotenuse and a corresponding, congruent leg are congruent triangles.
The triangles ΔLNO and ΔLMO have the same leg Lo, therefore you need the equality of hypotenuses LM=LN.

For a better understanding of the solution given here please find the diagram in the file attached.

We know from the Hypotenuse Leg Theorem (the HL theorem) that "if the hypotenuse and one leg of a right triangle are congruent to the hypotenuse and one leg of another right triangle, then the triangles are congruent."

Thus, as can be seen from the diagram, Side LO (also called leg LO) is common to both the triangles LMO and LNO. Therefore, the additional information that will be required to prove the congruence is that the respective hypotenuses, MO and NO are equal.

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