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3 years ago

Order the ratios from least to greatest 16/24, 5 to 12, 6:13, 10:17, 13/28

Mathematics

1 answer:

saul85 [17]3 years ago

3 0

Answer:

5/12, 6/13, 13/28, 10/17, 2/3

Step-by-step explanation:

First, simplify the ones that could be simplified.

2/3, 5 to 12, 6:13, 10:17, 13/28

(okay apparently only the first could be simplified)

You can look at all of them as fractions

2/3, 5/12, 6/13, 10/17, 13/28

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Turn the following fraction into a PERCENT: 15/60

Lina20 [59]

15/60 simplified is 1/4 so the answer is 25%

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3 years ago

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*The sum of two numbers is 400. If the first number is decreased by 20% and the second number is decreased by 15%, then the sum

Dahasolnce [82]

Answer:

The two numbers are .8*160=128 and .85*240=204

Step-by-step explanation:

First sentence: x+y=400

Second sentence .8x+.85y=400-68

Solve y in the first sentence: y=400-x

Plug first into second: .8x+.85(400-x)=332

Distribute: .8x+.85(400)-.85x=332

Combine like terms: -.05x+.85(400)=332

Simplify(multiply): -.05x+ 340=332

Subtract 340 on both sides: -.05x =332-340

Simplify(subtract): -.05x =-8

Divide both sides by -.05: x =-8/-.05

Simplify (division): x = 160

So y=400-x=400-160=240

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3 years ago

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6.6x 10⁵ in standard notation

Hunter-Best [27]

Answer:

660000

Step-by-step explanation:

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1 year ago

What is the measure of angle R?

tigry1 [53]

Option B:

25 degrees

Solution:

Given data in triangle PQR,

The side opposite to angle P is p.

The side opposite to angle Q is q.

The side opposite to angle R is r.

q = 36, r = 20, angle Q = 50°.

To find the measure of angle R:

Using law of sine,

$$\frac{a}{\sin A}=\frac{b}{\sin B}=\frac{c}{\sin C}$

$$\Rightarrow\frac{p}{\sin P}=\frac{q}{\sin Q}=\frac{r}{\sin R}$

Take only two sides.

$$\Rightarrow\frac{q}{\sin Q}=\frac{r}{\sin R}$

Substitute the given values.

$$\Rightarrow\frac{36}{\sin 50^\circ}=\frac{20}{\sin R}$

Do cross multiplication.

$\Rightarrow36\times\sin R = \sin50^\circ\times20$

sin 50° = 0.766

$\Rightarrow36\times\sin R = 0.766\times20$

$\Rightarrow36\times\sin R = 15.32$

$$\Rightarrow\sin R = \frac{15.32}{36}$

$$\Rightarrow\sin R = 0.4255$

$$\Rightarrow R = \sin^{-1}(0.4255)$

⇒ R = 25.18°

⇒ R = 25° (approximately)

Option B is the correct answer.

Hence the measure of angle R is 25 degrees.

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3 years ago

Find the measure of A A:46 B:90 C:134 D:88

grigory [225]

Answer:

Option d = 88

Step-by-step explanation:

Angle c = 46 degrees

46 + 46 = 92

180 - 92 = 88

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3 years ago

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