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4 years ago

How many inches is 78% of 3 feet? Please show me how to do it!

Mathematics

1 answer:

Alinara [238K]4 years ago

5 0

Answer:

28.08 inches

Step-by-step explanation:

Recall 1 foot = 12 inches

3 feet = 12 x 3 inches = 36 inches

78% of 3 feet

= 78/100 x 3 feet

= 78/100 x 36 inches

= 28.08 inches

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Can anybody help me please

GREYUIT [131]

Question 7: Option 1: x = 33.5°

Question 8: Option 3: x = 14.0°

Step-by-step explanation:

Question 7:

In the given figure, the value of perpendicular and hypotenuse is given, so we have to use any trigonometric ratio to find the value of angle as the given triangle is a right-angled triangle

So,

Perpendicular = P = 32

Hypotenuse = H = 58

So,

$sin\ x = \frac{P}{H}\\sin\ x = \frac{32}{58}\\sin\ x = 0.5517\\x = sin^{-1} ( 0.5517)\\x =33.48$

Rounding off to nearest tenth

x = 33.5°

Question 8:

In the given figure, the value of Base and Perpendicular is given, we will use tangent trigonometric ratio to find the value of x

So,

Perpendicular = P = 5

Base = B = 20

So,

$tan\ x = \frac{P}{B}\\tan\ x = \frac{5}{20}\\tan\ x = 0.25\\x = tan^{-1} (0.25)\\x = 14.036$

Rounding off to nearest tenth

x = 14.0°

Keywords: Right-angled triangle, trigonometric ratios

Learn more about trigonometric ratios at:

#LearnwithBrainly

8 0

3 years ago

Mia tossed a penny, a nickel, and a dime. Which is a complete tree diagram for all possible outcomes, where H represents heads a

Novay_Z [31]

Mia tossed a penny,a nickel and a dime all possible outcomes of H is the answer C.

Step-by-step explanation:

The two possible outcomes for penny,nickel and dime is H & T.
H is for head T is for tail.
Let A {HHH,HHT,HTH,HTT,THH,THT,TTH,TTT}
Tossing a fair coin will give the above result.
S is the called the n number of outcomes that are available for a set.
Total outcome of Sample space 8.
The three diagram is like a game theory it exploits different outcome.

8 0

3 years ago

Complete the following equation: a2 = b2 + c2 - ______.

Dima020 [189]

Answer:

2 bc cos A

Step-by-step explanation:

Cosine rule

8 0

3 years ago

Anjali paid $8 for a salad. She now has $37. With how much money did she start?

sleet_krkn [62]

Answer:

Below.

Step-by-step explanation:

37+8= 45

45-8=37

so 45.

8 0

3 years ago

Read 2 more answers

The Pollard cafeteria buys all of its utensils at the beginning of the year. After 22 days of school there is 152,640 forks left

Alika [10]

where is the question,it is incomplete. complete the question for your answer.

6 0

3 years ago