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3 years ago

What transformation was performed on the figure

Mathematics

2 answers:

Ratling [72]3 years ago

7 0

The transformation is a reflection

Sliva [168]3 years ago

3 0

The transformation is a reflection about the x-axis

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In the right triangle and the value of x by using the Pythagorean theorem. round the answer to the nearest tenth

Alex_Xolod [135]

Answer:

21.7

Step-by-step explanation:

by Pythogorean theorm= 27^2 -16^2=x^2

x^2=729-256

x^2=473

x=√473

x=21.7

6 0

3 years ago

Help pls! id appreciate it, trying to get these done tonight

Harlamova29_29 [7]

Is this asking about surface area or volume?

7 0

3 years ago

Read 2 more answers

At one store, 5 pairs of jeans and 2 sweatshirts costs $207, while 3 pairs of jeans and 4 sweatshirts costs $169. Find the cost

Genrish500 [490]

Answer:

One pair of jeans cost $35.

One sweatshirt cost $16.

Step-by-step explanation:

j = jeans

s = sweatshirts

5j + 2s = $207

3j + 4s = $169

System of equations. You now must choose to either cancel out "j" or "s".

I'm going to cancel out the "s".

In order to cancel out the "s" you must make the number in front of each s the same number, but opposite. Meaning one is negative, and the other is positive.

2s and 4s. You can get 2 to 4 by multiplying by 2. And you want it to be negative. So you'll be multiplying the ENTIRE top equation by -2.

-2(5j+2s=207)

-2 x 5j = -10j

-2 x 2s = -4s

-2 x 207 = -414.

Rewrite the equation.

-10j - 4s = -414.

3j + 4s = 169.

You can now cancel out the "s"'s by adding them together. -4 + 4 = 0.

Now, you must add the other numbers, both "j"s and both of the totals.

-10j + 3j = -7j.

-414 + 169 = -245.

Put those numbers back into the equation..

-7j = - 245.

Divide both sides by -7 to get j by itself.

j = 35; each pair of jeans is worth $35.

Now, solve for "s" by plugging the value of j (35) into either of the ORGINAL equations. (5j + 2s = $207 OR 3j + 4s = $169)

5j + 2s = 207.

5(35) + 2s = 207.

175 + 2s = 207

Subtract 175 from both sides.

2s = 32

Divide both sides by 2.

s = 16; each sweatshirt costs $16.

5 0

4 years ago

Read 2 more answers

Mofor’s school is selling tickets to the annual dance competition. On the first day of ticket sales the school sold 7 adult tick

zhannawk [14.2K]

The price of one adult ticket is $ 11 and the price of one student ticket is $ 11

<h3><u>Solution:</u></h3>

Given that , Mofor’s school is selling tickets to the annual dance competition.

Let the cost of one adult ticket be $m and the cost of one student tickets be $n.

On the first day of ticket sales the school sold 7 adult tickets and 6 tickets for a total of $143.

$\text { Then, } 7 \times \text { cost of one adult ticket }+6 \times \text { cost of one student ticket }=\$ 143$

7m + 6n = 143 ------- eqn (1)

The school took in $187 on the second day by selling 4 adult tickets and 13 student tickets.

$\text { Then, } 4 \times \text { cost of one adult ticket}+13 \times \text { cost of one student ticket}=\$ 187$

4m + 13n = 187 ------ eqn (2)

We have to find the price of an adult ticket and the price of a student ticket.

Now, let us solve the equations.

Multiply eqn 1 by 4

28m + 24n = 572 ----- eqn 3

Multiply eqn 2 by 7

28m + 91n = 1309 ---- eqn 4

Now subtract eqn 4 from eqn 3

28m + 24n = 572

28m + 91n = 1309

(- )--------------------------------------

– 67n = - 737

67n = 737

n = 11

Plug in n = 11 in eqn 1

7m + 66 = 143

7m = 143 – 66

m = 11

Hence, the cost of one adult ticket is $ 11 and cost of one student ticket is $11

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3 years ago

A manager at a pizza shop wants to start visually checking finished pizzas, but she doesn't have time to check every pizza. She

SashulF [63]

Answer:

Systematic sampling

Step-by-step explanation:

Systematic sampling is a form of random sampling that involves sampling based on numbering the members of the population and selecting the sample at a given specified interval.

However, when the systematic sampling technique is used, it is necessary to ensure that the numbering of the population does not result in an ordering of the population such that the selected sample will consist more of a particular group of the population.

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3 years ago