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3 years ago

Write two ratios that are equivalent to 1:1

Mathematics

1 answer:

Zolol [24]3 years ago

3 0

4:4 and 5:5 are <span> two ratios that are equivalent to 1:1</span>

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What is the exact area and arc length of these sectors? Please helppp

Karolina [17]

<u>Answers with step-by-step explanation:</u>

1. Area of sector 1 = $\frac{90}{360} \times \pi \times 12^2 = 36\pi$

2. Area of sector 2 = $\frac{45}{360} \times \pi \times 19^2 = \frac{2527}{8} \pi$

3. Area of sector 3 = $\frac{270}{360} \times \pi \times 15^2 = \frac{675}{4} \pi$

4. Area of sector 4 = $\frac{270}{360} \times \pi \times 6^2 = 27 \pi$

5. Arc length of sector 1 = $\frac{90}{360} \times 2 \times \pi \times 12 = 6\pi$

6. Arc length of sector 2 = $\frac{315}{360} \times 2 \times \pi \times 19 = \frac{133}{4} \pi$

7. Arc length of sector 3 = $\frac{270}{360} \times 2 \times \pi \times 15 = \frac{45}{2}\pi$

8. Arc length of sector 4 = $\frac{270}{360} \times 2 \times \pi \times 6 = 9\pi$

4 0

3 years ago

Cira is going for a run on a trail.so far she has 6/4 of a mile.she still has 2/3 Of the trail left to run.how long is the trail

Anastaziya [24]

(6/4) (2/3) times the denominators (4x3=12) then times (6x3 and 4x2) add the two answer together which should be 26/12 then reverse it. 12/26 = 6/13 (I'm English so might be different for you)

3 0

3 years ago

Negative 3 is twice as large as a number,h

alina1380 [7]

Answer:

negative 6 is the answer

Step-by-step explanation:

8 0

4 years ago

When a graphed line is vertical, it indicates that the relation is ?

GuDViN [60]

Answer:When a vertical line is placed across the plot of this relation, it intersects the graph more than once for some values of x. If a graph shows two or more intersections with a vertical line, then an input (x-coordinate) can have more than one output (y-coordinate), and y is not a function of x.

Step-by-step explanation:

6 0

3 years ago

A 7-year lease for office space states that the annual rent is $85,000 for the first year and will increase by 6% each additiona

melamori03 [73]

Answer: the total rent expense be for the entire 7-year lease is $713476

Step-by-step explanation:

The rate at which the rent increases each year is in geometric progression. The formula for determining the sum of n terms, Sn of a geometric sequence is expressed as

Sn = (ar^n - 1)/(r - 1)

Where

n represents the number of term(years) in the sequence.

a represents the first term in the sequence.

r represents the common ratio.

From the information given,

a = $85000

r = 1 + 6/100 = 1.06

n = 7

Therefore, the sum of the first 7 terms(7 year lease), S7 is

S7 = (85000 × 1.06^(7) - 1)/1.06 - 1

S7 = (85000 × 1.06^(7) - 1)/0.06

S7 = 42808.57/0.06

S7 = $713476

5 0

3 years ago