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Galina-37 [17]
3 years ago
5

Please Help Fast!!!Need help!!

Mathematics
1 answer:
emmasim [6.3K]3 years ago
8 0

Answer:

67cm

Step-by-step explanation:

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Pls answer for brainliest
lana66690 [7]

Answer: Choice B

(x,y) \to \left(\frac{5}{2}x,\frac{5}{2}y\right)

=========================================================

Explanation:

When dilating with respect to the origin, any point of the form (x,y) moves to (kx, ky) for some real number k. The k is the scale factor.

Point C is at (-2,2). It moves to C ' (-5,5)

The jump from x = -2 to x = -5 is "times 5/2" since kx = (5/2)*(-2) = -5

The same scale factor is used when going from y = 2 to y = 5.

Both x and y coordinates are multiplied by 5/2 to move from (-2,2) to (-5,5)

Therefore, the dilation rule we use is (x,y) \to \left(\frac{5}{2}x,\frac{5}{2}y\right)

-----------

We could have these steps to confirm

(x,y) \to \left(\frac{5}{2}x,\frac{5}{2}y\right)\\\\(-2,2) \to \left(\frac{5}{2}*(-2),\frac{5}{2}(2)\right)\\\\(-2,2) \to (-5,5)\\\\

5 0
3 years ago
Sandy is helping her uncle at this coffee shop. She observes that, when ordering coffee, 13 of customers select chocolate flavor
otez555 [7]
Answer: The probability that 3 or more of the next 5 customers will order chocolate is 30%.  3/10

Sandy conducted her own experiment to answer this question. She observed what groups of 5 customers ordered. In her experiment, 30% of the time at least 3 of the customers ordered chocolate.

The fraction 30% is 3/10.
7 0
3 years ago
Read 2 more answers
Find the x value in the isosceles triangle shown below.
stiks02 [169]

Answer:

X=^49

Step-by-step explanation:

5 0
3 years ago
Yesterday, Natalie's Doughnut Shop sold 3/4 as many chocolate doughnuts as cinnamon doughnuts. If they sold 3/5 of a tray of cin
aniked [119]

Answer:

9/20 or .45

Step-by-step explanation:

3/4 x 3/5 = .45 or 9/20

3 0
3 years ago
Simplify (5x3− x + 14) − (3x2− 9x + 4).
Ksenya-84 [330]

Answer:

Option A.,

Step-by-step explanation:

(5x3− x + 14) − (3x2− 9x + 4)

First remove the 2 sets of parentheses. Note when we remove the second one we multiply  the terms inside by -1.  ( Or we might say we distribute the negative over this parentheses.)

= 5x^3 - x + 14 - 3x^2 + 9x - 4

Now we simplify like terms:-

= 5x^3 - 3x^2 + 8x + 10 (answer).



7 0
3 years ago
Read 2 more answers
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