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algol [13]
2 years ago
7

what is the length of the diagonal of a rectangle with width 3,5 cm and length 4,5 cm give your answer in simplest surd form​

Mathematics
1 answer:
atroni [7]2 years ago
4 0

Answer:

Step-by-step explanation:

By Pythagoras:

d^2 = (3.5)^2 + (4.5)^2

d^2 = 12.25 + 20.25 = 32.5

d = √32.5

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C ( , )D ( , ) E ( , ) F ( , )
Alex777 [14]

As shown in the question, the translation changes the points as follows:

(x,y)\rightarrow(x+2,y-2)

Therefore:

\begin{gathered} C(-5,-1)\rightarrow C^{\prime}(-3,-3) \\ D(-4,3)\rightarrow D^{\prime}(-2,1) \\ E(-3,2)\rightarrow E^{\prime}(-1,0) \\ F(-2,0)\rightarrow F^{\prime}(0,-2) \end{gathered}

8 0
1 year ago
Find the perimeter. Round to the nearest whole number.<br> 15 is c and 30 is a)
ziro4ka [17]

Answer:

45

Step-by-step explanation:

Hope this helps.

8 0
3 years ago
Find the constant of proportionality on the graph.
Goryan [66]

Answer : 2.5

Step - by - step explanation :

X / Y = COP

5 / 2 = 2.5 or 2 1/2

Y = 2.5x

7 0
2 years ago
2. Let f(x) = 3x² -x+5, find f(x+1)​
Anna11 [10]

Answer:

f(x + 1) = 3x² + 5x + 7

Step-by-step explanation:

To find f(x + 1), substitute x = x + 1 into f(x), that is

f(x + 1) = 3(x + 1)² - (x + 1) + 5 ← expand (x + 1)² using FOIL

           = 3(x² + 2x + 1) - x - 1 + 5 ← distribute parenthesis by 3

           = 3x² + 6x + 3 - x - 1 + 5 ← collect like terms

           = 3x² + 5x + 7

8 0
3 years ago
3|3t+1|=2|6t+3| Need hep
mars1129 [50]

Answer:

your answer would be  t=-1 or t=1

Step-by-step explanation:

-(2t-3) = 3t-2

Multiply

     -2t+3 = 3t-2

Rearrange and Add up

     -5t = -5

Divide both sides by 5

-t = -1

Multiply both sides by (-1)

t = 1

Which is the solution for the Negative Case

Solve the Positive Case

     (2t-3) = 3t-2

Rearrange and Add up

     -t = 1

Multiply both sides by (-1)

     t = -1

have a great day!

4 0
3 years ago
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