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Alexandra [31]
3 years ago
6

Which statement about the temperatures −13.4°C and −13.2°C is true?

Mathematics
1 answer:
Lady_Fox [76]3 years ago
5 0

Answer:

I think "−13.4°C<−13.2°C because −13.2°C is warmer than −13.4°C" is the right answer

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IMAGE 1: Find the value of the indicated trigonometric ratio cos α
Sphinxa [80]

Answer:

28.07° ; 70.53° ; 53.13° ; 36.87°

Step-by-step explanation:

Using PYTHAGORAS RULE :

IMAGE 1:

value of cos α equals :

cos α = Adjacent / Hypotenus

cos α = 15 / 17

cos α = 0.88235

α = cos^-1 (0.88235)

α = 28.07°

IMAGE 2:

sin β = Opposite / Hypotenus

sin β = 14√2 / 21

sin β = 0.9428

β = sin^-1(0.9428)

β = 70.53°

IMAGE 3:

From trigonometry :

cot = 1 / tan

Tan = Opposite / Adjacent

Therefore, Cot = Adjacent / Opposite

cot γ = 3/4

cot γ = 0.75

γ = cot^-1 (0.75)

γ = 53.13°

IMAGE 4:

tan α = Opposite / Adjacent

tan α = 15 / 20

tan α = 0.75

α = tan^-1 (0.75)

α = 36.87°

6 0
3 years ago
Three coins are flipped.
Darina [25.2K]

Step-by-step explanation:

1.

when 3 coins are flipped the following outcomes are possible

h = heads, t = tails

h h h

h h t

h t h

h t t

t h h

t h t

t t h

t t t

yes, there have to be 8 options, because we have 3 positions with 2 possible outcomes. that means

2×2×2 = 2³ = 8 possibilities.

2.

at least 2 tails means 2 or 3 t in the list item :

h t t

t h t

t t h

t t t

3.

so, 4 out of the 8 possible outcomes. the probability is then therefore

4/8 = 1/2 = 0.5

8 0
2 years ago
Solve for y: 15y = 3y – 15<br><br> Type your answer in decimal form.
yanalaym [24]

Answer:

Step-by-step explanation:

15y = 3y - 15

15y - 3y = -15

12y = -15

y = \frac{-15}{12}

y = -1.25

3 0
3 years ago
Read 2 more answers
A contract calls for the buyer to pay $165,000 for a house and one acre of land, plus $5,000 for each additional acre of land. T
GaryK [48]

Answer: $181,500

Step-by-step explanation:

If amount paid for house and one acre of land = 165,000

Then, additional acre of land is 4.3 acres- 1 acre of land purchased with the house = 3.3 acres of land

If additional acre goes for 5,000 per acre

1 acre = 5,000

3.3 acres = 5,000 x 3.3 = $16,500

Total amount paid for the land and the land

= cost of house and land + cost of additional 3.3 acres of land

= 165,000 + 16,500

= $181,500

6 0
4 years ago
Please asap correct answer gets brainliest
weeeeeb [17]

Answer: 36 square units

Step-by-step explanation:

Divide the figure into 2 shapes: a rectangle and a triangle. Count the squares to find the dimensions of each figure. The rectangle has a width of 4 units and a length of 6 units. The triangle has a base of 6 units and a height of 4 units.

The formula for the area of a rectangle is length * width. The area of the rectangle is 4*6 = 24 square units.

The formula for the area of a triangle is (base * height)/2. The area of the triangle is (4*6)/2 = 24/2 = 12 square units.

Add the areas of both the rectangle and triangle. 24+12 = 36 square units.

8 0
2 years ago
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