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2 years ago

Pleaseee helppp me with question 2 !!!

Mathematics

1 answer:

zlopas [31]2 years ago

5 0

Answer:

Read the explanation

Step-by-step explanation:

2c means, 2 times c, and c represents Cassandra's age. Plus nine which is represented by g. Then your total, represented by m, is her mother's age.

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Carmen bought x candy bars.She gave three of them away. Enter an expression into the box to represent the number of candy bar's

posledela

3 divided by x to find the what the amount of x is

6 0

2 years ago

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

2 years ago

.21 of what number is 7.98

AlladinOne [14]

.21 as a percentage is 21%
You can divide 7.98 by 21 then multiply by 100 which gives you an answer of 38.

Hope this helps :)

8 0

2 years ago

Can anyone help me with this

stiv31 [10]

Answer:

Step-by-step explanation:

3 0

2 years ago

Read 2 more answers

What is the value of x in the equation of 3x-47=65 when y=4

cluponka [151]

Step-by-step explanation:

3x-47=65

3x=65+47

3x=112

x=37.3

5 0

3 years ago

Read 2 more answers