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3 years ago

What is 90 is exponential form? 2^ * 3^ * 5^__

Mathematics

1 answer:

Sloan [31]3 years ago

3 0

90/2=45
45/3=15
15/3=5

90=2*3*3*5=2¹*3²*5¹

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PQR is a right angled triangle calculate the size of angle marked x

romanna [79]

Answer:

$\displaystyle x \approx 37.4^\circ$

General Formulas and Concepts:

Pre-Algebra

Order of Operations: BPEMDAS

Brackets
Parenthesis
Exponents
Multiplication
Division
Addition
Subtraction

Left to Right

Equality Properties

Multiplication Property of Equality
Division Property of Equality
Addition Property of Equality
Subtraction Property of Equality

Trigonometry

[Right Triangles Only] SOHCAHTOA
[Right Triangles Only] cosθ = adjacent over hypotenuse

Step-by-step explanation:

Step 1: Define

Angle θ = x

Adjacent Leg = 5.8

Hypotenuse = 7.3

Step 2: Solve for x

Substitute in variables [Cosine]: $\displaystyle cosx^\circ = \frac{5.8}{7.3}$
[Fraction] Divide: $\displaystyle cosx^\circ = 0.794521$
[Equality Property] Trig inverse: $\displaystyle x^\circ = cos^{-1}(0.794521)$
Evaluate trig inverse: $\displaystyle x = 37.39^\circ$
Round: $\displaystyle x \approx 37.4^\circ$

8 0

3 years ago

Sunday later my sister clean 1 3/9 hours Monday my mom clean 2 5/6 hours the my bad clean 1 4/2 hours who cleaned the most

ohaa [14]

Answer:

Hermana

Step-by-step explanation:

4 0

3 years ago

Read 2 more answers

What is x/5+7=16 gonna be?

Margarita [4]

x=45

Step-by-step explanation:

x/5+7-7=16-7

5/1×x/5=9×5/1

x=45

6 0

3 years ago

Math question, I appreciate ANY help! :)

pav-90 [236]

.......................................................................................

8 0

3 years ago

Find the volume of a right circular cone that has a height of 2.5 m and a base with a diameter of 18.6 m. Round your answer to t

dem82 [27]

Answer:

226.4 m³.

Step-by-step explanation:

The volume of a right cone with a circular base is:

$\displaystyle V = \frac{1}{3} \pi\cdot r^{2}\cdot h$ ,

where

$V$ is the volume of the cone,
$r$ is the radius of the cone,
and $h$ is the height of the cone.

The radius of the circular base is one-half its diameter.

$\displaystyle r= \frac{1}{2}h=9.3\;\text{m}$ .

$\displaystyle V = \frac{1}{3} \pi\cdot r^{2}\cdot h = \frac{1}{3} \pi \times 9.3^{2} \times 2.5 \approx 226.4\;\text{m}^{3}$ .

5 0

3 years ago

What is 90 is exponential form? 2^__ * 3^__ * 5^__

What is 90 is exponential form? 2^ * 3^ * 5^__