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fiasKO [112]
3 years ago
8

2 right triangles have identical angle measures but different side lengths. The first triangle has side lengths of 6, 10, 8 and

the second triangle has side lengths of 3, 5, 4. Which transformation maps the large triangle onto the small triangle?
Mathematics
1 answer:
musickatia [10]3 years ago
7 0

Answer:

The transformation is 0.5

Step-by-step explanation:

The lengths of the second triangle is just half the length of the first triangle, from the center. As it is just resizing, the angles would not change, resulting in the same triangle, except for size.

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X+ y + z = -3<br> 3y - Z = 4<br> 2x- y - 2z = -5
snow_lady [41]

Answer:

  • (-3, 1, -1)

Step-by-step explanation:

  • x + y + z = -3  --> (1)
  • 3y - z = 4   --> (2)
  • 2x - y - 2z = -5 --> (3)

<u>Add up (1) and (2)</u>

  • x + 3y + y + z - z = -3 + 4 ⇒ x + 4y = 1  --> (4)

<u>Double (2) and subtract from (3)</u>

  • 2x - y - 2z - 2(3y - z) = -5 - 2(4) ⇒ 2x - y - 2z - 6y + 2z = -5 - 8
  • 2x - 7y = -13 --> (5)

<u>Double (4) and subtract (5)</u>

  • 2(x + 4y) - 2x + 7y = 2 + 13 ⇒ 2x + 8y - 2x + 7y = 15 ⇒ 15y = 15 ⇒ y = 1

<u>Finding x</u>

  • x + 4(1) = 1 ⇒ x = 1 - 4  ⇒ x = -3

<u>Finding z</u>

  • -3 + 1 + z = -3 ⇒ z = -1

<u>So the answer is: </u>

  • (-3, 1, -1)

4 0
3 years ago
Mr Todd buys 7 drinks at 48p each and 8 drinks at 52p each. What is the total cost of the 15 drinks?
Lesechka [4]

Answer:

80p

if you are adding 4p every time you add a drink you will be adding 7  drinks therefore you have to do (7x4p) this will equal 28p then you have to add 28p to 52p

Hope this helps

6 0
3 years ago
Factor -5 out of 10a-25
kakasveta [241]
The answer is -5(-2a+5)
5 0
3 years ago
Find the missing value so that the line passing through the points has the given slope.
galben [10]

Answer:

11

Step-by-step explanation:

4-1=3/11-7=4

7 0
3 years ago
What is the value of the expression: 2/10 ÷ 5/4?<br> 1/50<br> 4/10<br> 8/50<br> 1/2
lana66690 [7]

Answer:

8/50

Step-by-step explanation:

2/10 x 4/5 = 8/50

Hope that helps!

8 0
3 years ago
Read 2 more answers
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