3 years ago

4//2 and 20/6 are these numbers proportions?

Mathematics

1 answer:

goblinko [34]3 years ago

4 0

They are not the same as proportions

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13 is what percent of 15?

Bezzdna [24]

Answer:

86.67%

Step-by-step explanation:

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3 years ago

In ΔRST, r = 53 inches, ∠S=6° and ∠T=58°. Find the length of s, to the nearest inch.

yaroslaw [1]

Answer:

s = 6 inches

Step-by-step explanation:

Given:

r = 53 inches,

∠S = 6°

∠T = 58°.

Required:

Length of s

Solution:

Use Sine Rule

Thus:

$\frac{s}{Sin(S)} = \frac{r}{Sin(R)}$

<R = 180 - (58 + 6)

<R = 116°

r = 53 inches,

∠S = 6°

s = ?

Plug in the values

$\frac{s}{Sin(6)} = \frac{53}{Sin(116)}$

Multiply both sides by Sin(6)

$\frac{s}{Sin(6)} \times Sin(6) = \frac{53}{Sin(116)} \times Sin(6)$

$s = \frac{53 \times Sin(6)}{Sin(116)}$

$s = 6 inches$ (nearest inch)

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3 years ago

Find the remainder when f(x) is divided by (x - k).

liubo4ka [24]

Answer:

354

Step-by-step explanation:

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3 years ago

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2) Jim invested $4,000 in a bond at a yearly rate of 4.5%. He earned $540 in interest.

zmey [24]

The money was invested for 3 years

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3 years ago

19. 144 miles on 4.5 gallons

stealth61 [152]

Step-by-step explanation:

To find the amount of miles on one gallon,

$\frac{144 \div 4.5}{4.5 \div 4.5} = \frac{32}{1}$

Hence, 32 miles per gallon.

6 0

3 years ago