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yulyashka [42]
3 years ago
14

Jonas builds a snow fort. He tells his friends it is 0.80.80, point, 8 meters tall inside, but he rounded the height to the near

est tenth.
Mathematics
1 answer:
laiz [17]3 years ago
5 0

Answer:

D. 0.77

Step-by-step explanation:

Jonas builds a snow fort. He tells his friends it is 0.8 meters tall inside, but he rounded the height to the nearest tenth. Which could be the height of the snow fort before Jonas rounded it?

Check all options by rounding to the nearest tenth

A. 0.89 m

= 0.9 m

B. 0.74 m

= 0.7 m

C. 0.85

= 0.9 m

D. 0.77

= 0.8 m

Note: Digits 0 - 4 are rounded down while digits 5 - 9 are rounded up

Rounding to the nearest tenth means having one digits after the decimal point

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Lily is in the business of manufacturing phones. She must pay a daily fixed cost to rent the building and equipment, and also pa
Nesterboy [21]

Answer:

<h2>The slope is 100</h2>

Step-by-step explanation:

Given that the equation that represents the total cost is given as

C=900+100p--------1

this equation is the same as the equation of a straight line, and we can deduce from it when we compare it the straight line equation

the equation of a line is given as

y=mx+c------2

comparing equation 1 and 2 we have the slope as

m=100

In the context of this problem m=100 means that the cost of producing a phone per material and labour cost is $100

7 0
3 years ago
Convert 3/50 to a decimal
Marta_Voda [28]

Step 1

Convert the proper fraction to a decimal by using long division to divide the dividend(3)(numerator) by the divisor(50)(denominator)

Hence 3/50 in decimal = 0.06

5 0
2 years ago
Read 2 more answers
Anybody know what the answer is?
Rudik [331]
Side b is adjacent to the 30° angle so use cosine to solve. (soh cah toa)

cos(30°) = b/12

12*cos(30°) = b

cos(30°) is √(3)/2

12*(√(3)/2 ) = b

6√(3) = b

3 goes in the box



8 0
4 years ago
Without using calculator find :<br> cos(225) sin(315) + sin( –270) tan(405)
Ronch [10]

Answer:

1.5

Step-by-step explanation:

225° bisects Q III

315° bisects Q IV

-270° = 90°

405° = 45° bisects Q I

cos(225) sin(315) + sin( –270) tan(405) = ?

      (-½√2)(-½√2) + 1(1) = ?

                          0.5 + 1 = 1.5

6 0
3 years ago
Read 2 more answers
A sine function has an amplitude of 3, a period of pi, and a phase shift of pi/2. What is the y-intercept of the function?
jarptica [38.1K]

Based on the calculations, we can logically deduce that the y-intercept of this sine function is equal to: A. 3.

<u>Given the following data:</u>

  • Amplitude = 3
  • Period = π
  • Phase shift = π/2

<h3>How to determine the y-intercept of this function?</h3>

Mathematically, a sine function is modeled by this equation:

y = Asin(ωt + ø)

<u>Where:</u>

  • A represents the amplitude.
  • ω represents angular velocity.
  • t represents the period.
  • ø represents the phase shift.

Also, the period of a sine wave is given by:

t = 2π/ω

2 = 2π/ω

ω = 2

Substituting the given parameters into the equation, we have;

y = 3sin(2t + π/2)

At t = 0, we have:

y = 3sin(2(0) + π/2)

y = 3sin(π/2)

y = 3sin(90)

y = 3 × 1

y = 3.

In conclusion, we can logically deduce that the y-intercept of this sine function is equal to 3.

Read more on phase shift here: brainly.com/question/27692212

#SPJ1

5 0
2 years ago
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