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3 years ago

Water comes out of a pipe at a rate of 30 gallons per minute.

Mathematics

2 answers:

valina [46]3 years ago

7 0

Answer:

after 3 minutes there will be 90 gallons of water

Step-by-step explanation:

if one minute pours 30 gallons and it has been going for three minutes, that's three sets of 30 or 3*30. 3*30=90therefore there will be 90 gallons of water in three minutes.

Lyrx [107]3 years ago

3 0

Answer:

Step-by-step explanation:

30x3=90

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Find an exact value. (2 points) cos 15°

aalyn [17]

Answer:

wait...................

3 0

3 years ago

Bogart has 150 stamps. 30% of them are from Africa. How many stamps are from Africa?

ira [324]

Answer:

There are 45 stamps from Africa

Step-by-step explanation:

10% of 150 is 15

30% of 150 is 45

15*3 = 45

8 0

2 years ago

Please help me with this question!!

tester [92]

Answer:

Step-by-step explanation:

Pythagorean Theorem is "a^2+b^2=c^2"

Step 1) 1^2+6^2=37

37=c^2

Step 2) The square root of 37 is 6.08

That's not 9

So they don't form a Pythagorean triple

5 0

3 years ago

PLSS help me with this question?

Xelga [282]

Answer:

Part a) By alternate interior angles

Part b) By vertical angles

Part c) By AAA (Angle-Angle-Angle) Similarity Theorem

Part d) Triangles ABC and CDE are similar

Part e) $b=\frac{2DE}{3}$ or $b=\frac{15}{AC}$

Step-by-step explanation:

Part a)

we know that

If AB is parallel to DE

then

m<1=m<4 ------> by alternate interior angles

Part b)

we know that

m<5=m<6 -------> by vertical angles

Part c) we know that

The two triangles are similar by AAA (Angle-Angle-Angle) Similarity Theorem ------> The three corresponding angles are equal

m<1=m<4

m<5=m<6

m<3=m<2

Part d) we know that

If two figures are similar, then the ratio of its corresponding sides is equal and its corresponding angles are congruent

therefore

Triangles ABC and CDE are similar

Part e) Find the length side of b

Remember that

If two figures are similar, then the ratio of its corresponding sides is equal

$\frac{AB}{DE}=\frac{BC}{DC}=\frac{AC}{CE}$

substitute the values

$\frac{3}{DE}=\frac{2}{b}=\frac{AC}{7.5}$

$b=\frac{2DE}{3}$

$b=\frac{2*7.5}{AC}=\frac{15}{AC}$

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3 years ago

In a certain Algebra 2 class of 28 students, 23 of them play basketball and 12 of them play baseball. There are 3 students who p

Tomtit [17]

Answer:

~2.6667%

Step-by-step explanation:

idk if it's right

| Yes | No | t |

Basketball 23 5 28

Baseball 12 16 28

t 35 21 56

56/21

2.66666666666666666666666666666666666666666666666666666666 (you get it)

3 0

3 years ago