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yawa3891 [41]
3 years ago
15

Trapezoid ABCD is congruent to trapezoid A′′B′′C′′D′′ .

Mathematics
1 answer:
IgorC [24]3 years ago
4 0

Answer:

It's B). Trapezoid ABCD ​ was reflected across the y-axis and then translated 7 units up.

Step-by-step explanation:

just took the test

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if A and B together can do a piece of work in 10 days and B along can do it in 15 days, how many part of the work does A complet
anzhelika [568]

Answer:

1/5

Step-by-step explanation:

Well work can be defined as: work = rate \ *\ time

where rate=amount of work that can be done in one unit of time

let a = rate of work A does in a day

let b = rate of work B does in a day

this means that: 10a + 10b=1 where work=1 and it just means the entire job has been completed.

Since b can do it alone in 15 days, this means that: 15b=1

If we divide by 15 here, we get the equation: b=\frac{1}{15}

We can now use this definition to substitute it into the first equation we made.

10a + 10(\frac{1}{15}) = 1

Multiply the 10 and 1/15

10a+\frac{2}{3}=1

subtract 2/3 from both sides

10a=\frac{1}{3}

Now divide both sides by 10

a=\frac{1}{30}

Now multiply this by 6, since we a represents the amount of work that can be done in a day, we want to find how many parts of the work can be done by a in 6 days

6a=\frac{6}{30}

Now divide both the numerator and denominator by 6

a=\frac{1}{5}

8 0
2 years ago
8. Lisa types 6 pages in 36 minutes. Frank types 5 pages in 30 minutes. Do they type at the same rate? Use a proportion to expla
qaws [65]

Answer:

Yes

Step-by-step explanation:

Lisa and Frank type at the same rate.

They both type 1 page every six minutes.

Lisa types 6 pages every 36 minutes, and if we divide the minutes by the pages, we get

\frac{36}{6} = 6

And Frank types 5 pages ever 30 minutes, when we divide we get

\frac{30}{5} = 6

3 0
2 years ago
Select the number line model that matches the expression 1/4 - 5/4
Yuri [45]

Answer:

The answer would be -5/4

3 0
3 years ago
What is x/2.6=2? and explain why and how you got your answer .
Gnesinka [82]
Do the opposite of division which is multiplication. 2.6x2=5.2 
I hope I did it correctly and that it benefits you ^^
3 0
3 years ago
Decide how each action would affect your credit score.
KengaRu [80]

Answer:

Paying 30 days or more past due could drop your score as much as 100 points.

4 0
3 years ago
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