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3 years ago

Which of these describes abc?

Mathematics

1 answer:

olga nikolaevna [1]3 years ago

4 0

Answer:

Step-by-step explanation:

I remember it by:

acute: a cute little angle that is smaller than 90 degrees

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A 12-foot ladder leans against the wall; the base of the ladder is 2 feet away from the wall.To the nearest tenth of a foot, how

ludmilkaskok [199]

<h3>The ladder will reach a height of 11.8 feet up the wall</h3>

<em><u>Solution:</u></em>

The ladder, wall and base of the ladder from wall forms a right angled triangle

Length of ladder forms the hypotenuse

Length of ladder = 12 foot

base of the ladder from wall = 2 feet

<em><u>To find: height of wall</u></em>

By pythagoras theorem.

$c^2 = a^2+b^2$

Where,

"c" is the Length of ladder

"a" is the base of the ladder from wall

"b" is the height of wall

Substituting the values,

$12^2 = 2^2+b^2\\\\144 = 4 + b^2\\\\b^2 = 140\\\\b = \pm 11.832 \\\\Ignore\ negative\ value\\\\b \approx 11.8$

Thus, the ladder will reach a height of 11.8 feet on wall

4 0

3 years ago

Is -9,-5,-1,3,7, arithmetic,geometric or neither?

alisha [4.7K]

Answer:

Arithmetic.

Step-by-step explanation:

Geometric sequences have common ratios. Arithmetic sequences have common differences.

6 0

3 years ago

Read 2 more answers

Suppose there is a bag of 10 marbles. Of the 10 marbles, 5 are blue, 3 are green, and 2

harina [27]

Answer:

27/1000

Step-by-step explanation:

P(G,G,G) = 3/10 x 3/10 x 3/10

7 0

3 years ago

A family has five members a mom, a dad two sisters, and a brother. The family lines up single file. What is the probability that

STALIN [3.7K]

Answer:

1/5 chance

cause there are 5 people in the family and there is 1 brother and 1 spot for the front of the line

Step-by-step explanation:

5 0

3 years ago

Help #4-8 please thank you

Olin [163]

Answer:

#4: 130/60, simplified is 13/6 (divide numerator and denominator by 10)

#5: 110/130, simplified is 11/13 (divide numerator and denominator by 10)

#6: 5/12

#7: 4/12, simplified is 1/3 (divide numerator and denominator by 4)

#8: 12/4, simplified is 3, or 3/1 (divide numerator and denominator by 4)

Step-by-step explanation:

#4: Part 1 is 60 miles, and the whole trip is 60 + 20 + 50 = 130 miles

So while #1 was 60 over 130 for "60 to 130", now we'll put the 130 on top of the 60 for "130 to 60" as a spoken ratio

#5: I think they mean add part 1 to part 3, then compare to the whole.

so 60 + 50 = 110, and your answer is 110/130

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Punch: 3 pints Hawaiian punch, 4 pints of orange juice, 5 pints of ginger ale is the recipe. When you pour that all together, you have 3 + 4 + 5 pints of mixed punch as a total, or 12 pints.

#6: 5 pints of ginger ale to 12 pints of punch: 5/12

#7: 4 pints of orange juice to 12 pints of punch: 4/12

#8 12 pints of the whole drink to 4 pints of orange juice: 12/4

6 0

2 years ago

Which of these describes abc?​

Which of these describes abc?