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KonstantinChe [14]
2 years ago
9

Select the correct answer from each drop-down menu. ∆ABC has vertices at A(11, 6), B(5, 6), and C(5, 17). ∆XYZ has vertices at X

(-10, 5), Y(-12, -2), and Z(-4, 15). ∆MNO has vertices at M(-9, -4), N(-3, -4), and O(-3, -15). ∆JKL has vertices at J(17, -2), K(12, -2), and L(12, 7). ∆PQR has vertices at P(12, 3), Q(12, -2), and R(3, -2).
__________ can be shown to be congruent by a sequence of reflections and translations.
_______ can be shown to be congruent by a single rotation.
Mathematics
1 answer:
photoshop1234 [79]2 years ago
5 0

Answer:

Step-by-step explanation:

.

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Can someone please solve these?
JulijaS [17]

Answer:

Step-by-step explanation:

h = -6t^{2} +20t + 4

I will use calculus,  maybe that's not how you're supposed to do this

-12t +20 =0

12t = 20

t = 20 /12

t = 1 \frac{8}{12}

t = 1 \frac{2}{3}

there will be a max at  1.6666666666  seconds

-6*1.6666666666666^{2}  + 20 * 1.6666666666  +4

= 16.666666666666 + 33.333333333333 + 4

= - 16\frac{2}{3} + 33 \frac{1}{3} + 4

= 20\frac{2}{3}  feet max height ( not too high,  for a rocket)

time of flight:

0 = -6t^{2} +20t + 4

use quadratic formula to find t

-20 +- sqrt [ 20^{2} - 4*(-6)*4 ] / 2*(-6)

-20 +- sqrt [400 + 96 ] / -12

-20 +- sqrt [496 ] / -12

-20 +- 22.27105 / -12

try the negative option 1st

-42.27105 / -12

3.522 seconds.     time of flight

when will the rocket be at 12' ? :

12 = -6t^{2} +20t + 4

0 = -6t^{2} +20t -8

use quadratic formula again to find t

-20 +- sqrt [ 20^{2} - 4*(-6)*(-8) ] / 2*(-6)

-20 +- sqrt [ 400 - 192 ] / -12

-20 +- sqrt [208 ] / -12

-20 - 14.4222 / -12

-34.4222 / -12

2.8685 seconds ( on the way down)

and

-20 + 14.4222 / -12

-5.578 / - 12

0.4648  seconds ( on the way up )

6 0
3 years ago
Estimate the quotients 123.8 ÷ 62​
zheka24 [161]

>> answer-1.99677419355. Estimate>> 124÷ 62 = 1 not sure
7 0
3 years ago
Isabella invested $1300 in an account that pays 4.5% compounded annually. Assuming no deposits or withdrawals are made , find ho
kobusy [5.1K]

Answer:

FV= $2,407.53

Step-by-step explanation:

Giving the following information:

Present Value (PV)= 1,300

Interest rate (i)= 4.5% = 0.045

Number of periods (n)= 14 years

<u>To calculate the future value (FV) of the initial investment after 14 years, we need to use the following formula:</u>

FV= PV*(1 + i)^n

FV= 1,300*(1.045^14)

FV= $2,407.53

6 0
3 years ago
What is the length of the equilateral triangle below
jeyben [28]

Answer:You gotta show the triangle before we can answer the question.

Step-by-step explanation:

3 0
3 years ago
How do I find YZ? On the line segment
DerKrebs [107]
I think it should also be 16 but I’m not pretty sure so hopefully you get it right !
7 0
3 years ago
Read 2 more answers
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