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borishaifa [10]
2 years ago
8

GIVING 50 PTS PLS HELP ITS FOR A TEST LAST QUESTION

Mathematics
2 answers:
Llana [10]2 years ago
7 0

Answer:

Artur, Caleb, Joshua, then Trio

Step-by-step explanation:

Ipatiy [6.2K]2 years ago
4 0

Answer:

Alright I think it's Artur, Caleb, Joshua, then Trio.

Step-by-step explanation:

Artur has the highest score when I added and then caleb then joshua then trio had the lowest score wait until someone else answers this time please!!!

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In△XYZ , XY¯¯¯¯¯¯=7in , YZ¯¯¯¯¯=5in , and XZ¯¯¯¯¯=4in . This triangle is reflected across the x-axis to result in △X'Y'Z' . Whic
ki77a [65]

Answer:

B

Step-by-step explanation:

Reflection is a transformation that preserves lengths.

Triangle XYZ, with side lengths XY = 7 in, YZ = 5 in, XZ = 4 in, is reflected across the x-axis to result in △X'Y'Z'.

This means that corresponding sides have the same lengths:

  • XY = X'Y' = 7 in;
  • XZ = X'Z' = 4 in;
  • YZ = Y'Z' = 5 in.

Find the perimeters of both triangles:

P_{XYZ}=XY+XZ+YZ=7+4+5=16\ in\\ \\P_{X'Y'Z'}=X'Y'+X'Z'+Y'Z'=7+4+5=16\ in

Hence, only option B is true.

8 0
3 years ago
The bottom of Ignacio's desktop is 74.5\,\text{cm}74.5cm74, point, 5, start text, c, m, end text from the floor. Ignacio sits in
sasho [114]

Answer:

r

Step-by-step explanation:

<u>Function Modeling</u>

The problem gives us the following conditions: The bottom of Ignacio's desktop is 74.5 cm from the floor, and the top of his legs is 49.3 cm from the floor. We know the chair where he's sitting at has a knob that raises the legs 4.8 cm per clockwise rotation r. This means that the total distance the legs are raised for r rotations is 4.8r. The total distance of his legs from the floor is then:

49.3+4.8r

This distance cannot reach or exceed 74.5 cm, thus

49.3+4.8r

Solving for r

\displaystyle r

Or, equivalently

\boxed{r

8 0
3 years ago
What is the exact value of cos 30° ? <br> Enter your answer, as a simplified fraction, in the box.
dezoksy [38]
<span>I think this is the answer cos 30=<span><span>3–√</span>2</span></span>
8 0
3 years ago
Read 2 more answers
PLEASE HELP!!!! NEED THE ANSWER FAST! WILL MARK BRAINLIEST! The regular price of a cell phone is $179. If you buy the phone at a
kondor19780726 [428]

Answer:

35.80

Step-by-step explanation:

5 0
3 years ago
Read 2 more answers
Diego's sister is twice his age minus 9 years. She is also as old as half the sum of the ages of Diego and both of his 12-year-o
slava [35]

Answer:

Diego is 14 years old.

Sister is 19

Step-by-step explanation:

x = Diego's age

<u>x</u><u> </u><u>+</u><u> </u><u>2</u><u>4</u>

2x-9 = 2

First to get rid of the fraction we multiply each side by 2

2(2x-9) = 2((x+24)/2)

4x-18 = x+24

The we isolate x

4x-18 = x+24

<u>-x+18 -x+18</u>

<u>3x</u> = <u>42</u> Now we divide each side 3

3 3

x = 14

So Diego is 14

Now we can solve for his sister. We can use one of the two equations from earlier to do this.

Plug 14 in for x and then solve for his sister

2(14)-9

28-9

19

His sister is 19

5 0
3 years ago
Read 2 more answers
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