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emmainna [20.7K]
2 years ago
12

Will give brainlest 20 points

Mathematics
1 answer:
pochemuha2 years ago
8 0

Answer:

1. false

2. true

3. true

Step-by-step explanation:

1. Since a and b are right angles, a+b = 180, not 90, false

2. since a right angle is 90 degrees and b is a right angle, 90 + 90 = 180 true

3. B and A are right angles, so 180 - 90 = 90 true

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Simplify the expression by combining like
viva [34]

Answer:

Below

Step-by-step explanation:

First we combine your first set of terms,

7b^2 + 2b^2 = 9b^2

There's a subtraction hidden in there!

9b^2 - 3b^2 = 6b^2

Next we do the same thing for the second term,

3b + 7b = 10b

but there's a subtraction in the expression!

10b - b = 9b

Then we finish with our third term

6 + 5 = 11

Answer:

6b^2 + 9b + 11

4 0
3 years ago
Little Snail is going to visit his friend over at the next pond, 3 miles away. He can crawl ( 1/2. 1/3, 1/4, 3/4, 2/3 ) of a mil
KIM [24]

Solution :

It is given that Little Snail is going to visit one of his friend at the pond which is 3 miles away.

When the snail crawls 1/2 of a mile per day, it will take him, $1 \times \frac{2}{1} \times 3$

   =  6 days to get to the next pond.

When the snail crawls 1/3 of a mile per day, it will take him, $1 \times \frac{3}{1} \times 3$

   =  9 days to get to the next pond.

When the snail crawls 1/4 of a mile per day, it will take him, $1 \times \frac{4}{1} \times 3$

   = 12 days to get to the next pond.

When the snail crawls 3/4 of a mile per day, it will take him, $1 \times \frac{4}{3} \times 3$

   =  4 days to get to the next pond.

When the snail crawls 2/3 of a mile per day, it will take him, $1 \times \frac{3}{2} \times 3$

   =  4.5 days to get to the next pond.

3 0
3 years ago
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Alex_Xolod [135]
(3,-4)
is your answer
7 0
2 years ago
Most of the savings accounts at stonebrook community bank are earning simple interest. the formula to calculate the amount of si
Maurinko [17]
P=i/rt
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4 0
3 years ago
A line is drawn on a coordinate grid by the equation y = 4. Which of the following lines would represent a row parallel to it?
marissa [1.9K]

Answer:

y=0

Step-by-step explanation:

bc if you graph y=0 its parallel to y=4

6 0
2 years ago
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