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3 years ago

13

To celebrate the first day of school, Rita brought in a tray of caramel brownies and walnut brownies. She brought 16 caramel bro

wnies and 24 walnut brownies. What percentage of the brownies were caramel?

1 answer:

Zinaida [17]3 years ago

5 0

Answer:

40% were caramel

Step-by-step explanation:

(pls mark brainliest)

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Triangle A'B'C'is the result of reflecting triangle ABC across the line l

Hoochie [10]

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Answer:

b, c

Step-by-step explanation:

Reflection across a line is a "rigid" transformation, so linear measures and angle measures remain unchanged. (b and c are true statements)

Reflection across a line skew to the y-axis will mean that any segment originally perpendicular to the y-axis will not be after the reflection. ('a' is not a true statement)

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3 years ago

-5+2(10b-2)=31 need help thanks!

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Answer:

$\Large \boxed{b=2}$

Step-by-step explanation:

-5+2(10b-2)=31

Expand brackets.

-5+20b-4=31

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Add 9 on both sides.

20b=40

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3 years ago

Which is the last operation performed when evaluating (8 minus 2 x) squared + 4 for x = 3?

kompoz [17]

Answer:

addition

Step-by-step explanation:

The given expression is $(8-2x)^2+4$

We want to determine the last operation performed when evaluating this expression for x=3.

We substitute to get:

$(8-2*3)^2+4$

Multiply within the parenthesis to get:

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Subtract to get:

$2^2+4$

Evaluate the exponent to get:

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Add to obtain:

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