If A(7,9) and B(3,12) find AB (remember: AB means "the distance between points A and B")

Answers

Answer 1
Answer: The length of segments ab is 24

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There once was afarmer who, as part of his route to town, used a rickety old boat to cross a wide river. He took his dog and went to town one day to buy corn. However, not only did he buy some corn, but he also bought a goose that he intended to take home and use to start raising geese. (The farmer was no fool, he already had another goose.) He also knew, however, that his boat was not reliable. It could only handle himself (to row) and one of the other three things he had with him. He feared that if left alone, the dog the corn. How could he get himself and everything else across the river?

Y=−x−1 the point (0, −1)lies on the graph of the equation. the graph of the equation is the set of points that are solutions to the equation. the point (1, −2) lies on the graph of the equation. a coordinate pair on the graph of the equation is a solution to the equation. the equation y x=1 has the same graph.

Answers

For point (1, -2): -2 = -1 - 1 = -2. Therefore, point (1, -2) lies on the graph of the equation.

The graph of the equation is the set of points that are solutions to the equation.

A coordinate pair on the graph of the equation is a solution to the equation.

For the point (0, -1): -1 = -(0) - 1 = 0 - 1 = -1.
Therefore, The point ( 0, −1 ) lies on the graph of the equation.

Alison is selling and buying baseball cards online. She sells each card for $3.25 and buys each card for $5.50. If she sold 4 cards and bought 7 cards, did she end up making money or spending money and how much money did she spend or make

Answers

spends money, spends $25.50
She sold 13$ worth of cards and she bought 38.50$ worth of cards. She ended up spending more money than she made

Find the percentage change from 50 to 82. Indicate whether it is an increase or a decrease. If necessary, round your answer to the nearest percent.

Answers

Percentage change from 50 to 82, first, let's solve how much is added from 50 to 82.
=> 82 - 50 = 32
Now how many percent is 32 out of 50?
=> 32 / 50 = 0.64
=> 0.64 * 100% = 64%
thus 64% added or increased in the previous number.

In which one of the following pairs of angles are the angles always equal to each other

Answers

Although you have not presented any choices for this question, I will proceed on discussing what the possible answer might be depending on the description you gave. The answer to this mathematical question would be vertical angles. This is because vertical angles are always equal to each other.

How many pence in £3.05

Answers

£3.05

1£ = 100pence

£3.05 = 3.05*100 pence

           = 305 pence.

Ali and Kiana buried a treasure together on their school's field. The actual field is 400 feet wide. Ali made an 8-inch-wide map to record its location. Kiana made her map using a scale of 1 in. To 20 ft. On Kiana's map, the treasure is 2 inches from the south edge of the field. How far is the treasure from the south edge on Ali's map?

Answers

Answer:

The treasure is 0.8 inches from the south edge on Ali's map.

Step-by-step explanation:

Scaling factor, f = (Original length)/(Scalet length)...(i)

Let f_1 and f_2 be the scaling factors used by Ali and Kiana respectively.

Given that the field is 400 feet= 400x12 inches wide and Ali made an 8-inch-wide map to record its location.

So, f_1 = (400*12)/8=600...(ii)

Kiana made her map using a scale of 1-inch to 20 feet=20x12 inches.

So, f_2=(20*12)/1=240...(iii)

As on Kiana's map, the treasure is 2 inches from the south edge of the field,

so, from equations (i), and (ii), the original length of the treasure for the south edge of the field

=2* f_2

=2x240

=480 inches

Now, again from the equation (i) and (ii), the scaled length of the treasure on Ali's map

= 480/f_1

=480/600

=0.8 inches

Hence, the treasure is 0.8 inches from the south edge on Ali's map.