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3 years ago

11

If parallelogram abcd was reflected over the y-axis, reflected over the x-axis, and rotated 180 degrees, where would point a' li

e?

1 answer:

stiks02 [169]3 years ago

7 0

Start point A = (-4, 1) over y, A = (4,1) over x, A = (4, -1) rotated 180 degrees.

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Choose the equation for the situation "a fraction f multiplied by 13 equals 29". A. 1f⋅13=29 B. 3f=29 C. (f3⋅13)=29 D. 13f=29

Delicious77 [7]

Answer:

13f=29

Step-by-step explanation:

I hope this helps you out!

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3 years ago

Which equation(s) have x = –3 as the solution? log3(2x + 15) = 2 log5(8x + 9) = 2 log4(–20x + 4) = 3 logx81 = 4

baherus [9]

Answer:

log_3(2x+15)=2 and log_4(-20x+4)=3

Step-by-step explanation:

Plug it in and see!

$log_3(2x+15)=2\\log_3(2(-3)+15)=2\\log_3(-6+15)=2\\log_3(9)=2\\\text{ This is a true equation because } 3^2=9\\\\\\log_5(8(-3)+9)=2\\log_5(-24+9)=2\\log_5(-15)=2\\\\\text{ Not true because you cannot do log of a negative number }\\\\log_4(-20(-3)+4)=3\\log_4(64)=3\\\text{ this is true because } 4^3=64\\\\\\log_x (81)=4\\log_{-3}(81)=4\\\text{ the base cannot be negative }\\\\\\\\\text{ There is only two options here} \\\\log_3(2x+15)=2 \text{ and } log_4(-20x+4)=3$

6 0

4 years ago

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Find the value of expression the a3−3a2+5a−7 by substituting a=3.

8090 [49]

Answer:

21 is answer

Step-by-step explanation:

Find the value of expression the a3−3a2+5a−7 by substituting a=3.

6 0

3 years ago

Each week, Darin's Lawn Service mows 90 lawns in 45 hours at a housing c

sweet [91]

9514 1404 393

Answer:

6 h

Step-by-step explanation:

The bottom number in the table is half the top number. The missing value is 6 (hours).

__

I like to put the variable in the numerator of a proportion. Here, we can write it as ...

t/12 = 45/90

Multiplying by 12 gives ...

t = 12(45/90) = 12(1/2) = 6

It will take Darin 6 hours to mow 12 lawns.

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3 years ago

A horizontal line passes through (0,7). write the point-slope of its equation.

Nuetrik [128]

Answer:y-7=m(x-0)

Step-by-step explanation:

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4 years ago

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