Maths-

General

Easy

Question

$x minus 1 half a equals 0$
If x = 1 in the equation above, what is the value of a ?

hint Hint:

We simply put the value in the equation to get the result.

The correct answer is: The value of a is— 2.

Step 1 of 1:
The equation is given by, $x minus 1 half a equals 0$
Putting x =1, we get $1 minus 1 half a equals 0$
$not stretchy rightwards double arrow 1 equals 1 half a$
$not stretchy rightwards double arrow a equals 2$
Final Answer:
The value of a is — 2.

The average annual energy cost for a certain home is . The homeowner plans to spend $straight $ 25 comma 000$ to install a geothermal heating system. The homeowner estimates that the average annual energy cost will then be $straight $ 2 comma 712$ . Which of the following inequalities can be solved to find , the number of years after installation at which the total amount of energy cost savings will exceed the installation cost?

Maths-General

General

Maths-

The scatterplot above shows data collected on the lengths and widths of Iris setosa petals. A line of best fit for the data is also shown. Based on the line of best fit, if the width of an Iris setosa petal is 19 millimeters, what is the predicted length, in millimeters, of the petal?

Maths-General

General

Maths-

There are two atoms of hydrogen and one atom of oxygen in one molecule of water. How many atoms of hydrogen are there in 51 molecules of water?

Maths-General

General

Maths-

A photocopy machine is initially loaded with 5,000 sheets of paper. The machine starts a large job and copies at a constant rate. After 20 minutes, it has used $30 straight percent sign$ of the paper. Which of the following equations models the number of sheets of paper, p , remaining in the machine m minutes after the machine started printing?

Maths-General

General

Maths-

In a random sample of 200 cars of a particular model, 3 have a manufacturing defect. At this rate, how many of 10,000 cars of the same model will have a manufacturing defect?

Maths-General

General

Maths-

Tracy collects, sells, and trades figurines, and she tracks the number of figurines in her collection on the graph below.

On what interval did the number of figurines decrease the fastest?

Maths-General

General

Maths-

The 22 students in a health class conducted an experiment in which they each recorded their pulse rates, in beats per minute, before and after completing a light exercise routine. The dot plots below display the results.

Let $s subscript 1$ and $T subscript 1$ be the standard deviation and range, respectively, of the data before exercise, and let $s subscript 2$ and $r subscript 2$ be the standard deviation and range, respectively, of the data after exercise. Which of the following is true?

Maths-General

General

Maths-

Solve each inequality and tell whether it has infinitely many or no solution :
-2(x-5)≥-2x+10

Maths-General

General

Maths-

Solve each inequality and tell whether it has infinitely many or no solution:
0.5x+8<2x-4

Note:
A linear inequality could possibly have infinite number of solutions. But it is not necessary that it should be true for every inequality.

Solve each inequality and tell whether it has infinitely many or no solution:
0.5x+8<2x-4

Maths-General

Note:
A linear inequality could possibly have infinite number of solutions. But it is not necessary that it should be true for every inequality.

General

Maths-

In the $x y.$ -plane, the point $left parenthesis p comma r right parenthesis$ lies on the line with equation $y equals x plus b$ , where b is a constant. The point with coordinates $left parenthesis 2 p comma 5 r right parenthesis$ lies on the line with equation $y equals 2 x plus b$ . If $p not equal to 0$ , what is the value of $r over p$ ?

Maths-General

General

Maths-

One pound of grapes costs $straight $ 2$ . At this rate, how many dollars will c pounds of grapes cost?

Maths-General

General

Maths-

Triangles ABC and DEF are shown above. Which of the following is equal to the ratio $fraction numerator B C over denominator A B end fraction$ ?

Maths-General

General

Maths-

Solve each inequality and tell whether it has infinitely many or no solution:
-2x-5≥3x-25

Maths-General

General

Maths-

Solve each inequality and tell whether it has infinitely many or no solution:
7.2x+6≤2.4x

Maths-General

General

Maths-

Solve each inequality and tell whether it has infinitely many or no solution:
4(3-2x)≥-4

Maths-General

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If x = 1 in the equation above, what is the value of a ?

We simply put the value in the equation to get the result.

The correct answer is: The value of a is— 2.

Step 1 of 1:The equation is given by, Putting x =1, we get Final Answer:The value of a is — 2.

Related Questions to study

The scatterplot above shows data collected on the lengths and widths of Iris setosa petals. A line of best fit for the data is also shown. Based on the line of best fit, if the width of an Iris setosa petal is 19 millimeters, what is the predicted length, in millimeters, of the petal?

The scatterplot above shows data collected on the lengths and widths of Iris setosa petals. A line of best fit for the data is also shown. Based on the line of best fit, if the width of an Iris setosa petal is 19 millimeters, what is the predicted length, in millimeters, of the petal?

There are two atoms of hydrogen and one atom of oxygen in one molecule of water. How many atoms of hydrogen are there in 51 molecules of water?

There are two atoms of hydrogen and one atom of oxygen in one molecule of water. How many atoms of hydrogen are there in 51 molecules of water?

In a random sample of 200 cars of a particular model, 3 have a manufacturing defect. At this rate, how many of 10,000 cars of the same model will have a manufacturing defect?

In a random sample of 200 cars of a particular model, 3 have a manufacturing defect. At this rate, how many of 10,000 cars of the same model will have a manufacturing defect?

Tracy collects, sells, and trades figurines, and she tracks the number of figurines in her collection on the graph below.On what interval did the number of figurines decrease the fastest?

Tracy collects, sells, and trades figurines, and she tracks the number of figurines in her collection on the graph below.On what interval did the number of figurines decrease the fastest?

Solve each inequality and tell whether it has infinitely many or no solution :-2(x-5)≥-2x+10

Solve each inequality and tell whether it has infinitely many or no solution :-2(x-5)≥-2x+10

Solve each inequality and tell whether it has infinitely many or no solution:0.5x+8<2x-4

Solve each inequality and tell whether it has infinitely many or no solution:0.5x+8<2x-4

In the -plane, the point lies on the line with equation , where b is a constant. The point with coordinates lies on the line with equation . If , what is the value of ?

In the -plane, the point lies on the line with equation , where b is a constant. The point with coordinates lies on the line with equation . If , what is the value of ?

One pound of grapes costs . At this rate, how many dollars will c pounds of grapes cost?

One pound of grapes costs . At this rate, how many dollars will c pounds of grapes cost?

Triangles ABC and DEF are shown above. Which of the following is equal to the ratio ?

Triangles ABC and DEF are shown above. Which of the following is equal to the ratio ?

Solve each inequality and tell whether it has infinitely many or no solution:-2x-5≥3x-25

Solve each inequality and tell whether it has infinitely many or no solution:-2x-5≥3x-25

Solve each inequality and tell whether it has infinitely many or no solution:7.2x+6≤2.4x

Solve each inequality and tell whether it has infinitely many or no solution:7.2x+6≤2.4x

Solve each inequality and tell whether it has infinitely many or no solution:4(3-2x)≥-4

Solve each inequality and tell whether it has infinitely many or no solution:4(3-2x)≥-4

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$x minus 1 half a equals 0$
If x = 1 in the equation above, what is the value of a ?

Step 1 of 1:
The equation is given by, $x minus 1 half a equals 0$
Putting x =1, we get $1 minus 1 half a equals 0$
$not stretchy rightwards double arrow 1 equals 1 half a$
$not stretchy rightwards double arrow a equals 2$
Final Answer:
The value of a is — 2.

Tracy collects, sells, and trades figurines, and she tracks the number of figurines in her collection on the graph below.

On what interval did the number of figurines decrease the fastest?

Tracy collects, sells, and trades figurines, and she tracks the number of figurines in her collection on the graph below.

On what interval did the number of figurines decrease the fastest?

Solve each inequality and tell whether it has infinitely many or no solution :
-2(x-5)≥-2x+10

Solve each inequality and tell whether it has infinitely many or no solution :
-2(x-5)≥-2x+10

Solve each inequality and tell whether it has infinitely many or no solution:
0.5x+8<2x-4

Solve each inequality and tell whether it has infinitely many or no solution:
0.5x+8<2x-4

One pound of grapes costs $straight $ 2$ . At this rate, how many dollars will c pounds of grapes cost?

One pound of grapes costs $straight $ 2$ . At this rate, how many dollars will c pounds of grapes cost?

Triangles ABC and DEF are shown above. Which of the following is equal to the ratio $fraction numerator B C over denominator A B end fraction$ ?

Triangles ABC and DEF are shown above. Which of the following is equal to the ratio $fraction numerator B C over denominator A B end fraction$ ?

Solve each inequality and tell whether it has infinitely many or no solution:
-2x-5≥3x-25

Solve each inequality and tell whether it has infinitely many or no solution:
-2x-5≥3x-25

Solve each inequality and tell whether it has infinitely many or no solution:
7.2x+6≤2.4x

Solve each inequality and tell whether it has infinitely many or no solution:
7.2x+6≤2.4x

Solve each inequality and tell whether it has infinitely many or no solution:
4(3-2x)≥-4

Solve each inequality and tell whether it has infinitely many or no solution:
4(3-2x)≥-4