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Sergio [31]
3 years ago
11

Ruth has 7 more brown pencils than blue pencils, and 11 more blue pencils than red pencils. She has 5 red pencils. How many brow

n, blue, and red pencils does Ruth have in all?
Mathematics
1 answer:
olya-2409 [2.1K]3 years ago
8 0

Answer: There are 5 red pencils, 16 blue pencils and 23 brown pencils.

Step-by-step explanation:

Since we have given that

Number of red pencils = 5

Number of blue pencils are 11 more than red pencils.

So, Number of blue pencils would be

11+5=16

Number of brown pencils are 7 more than blue pencils.

So, number of brown pencils would be

16+7=23

Hence, there are 5 red pencils, 16 blue pencils and 23 brown pencils.

You might be interested in
Find the perimeter and area of the regular polygon. Round answers to the nearest tenth.
e-lub [12.9K]

Answer: Perimeter = 72.67

Area = 363.3

Step-by-step explanation:

The given polygon is a pentagon. The apotherm is the perpendicular line from the midpoint of the Pentagon to the base of one of its sides.

The formula for determining the area of a regular polygon is expressed as

Area = a² × n × tan 180/n

Where n represents the number of sides of the polygon.

n = 5

Apotherm = 10

Therefore,

Area = 10² × 5 × tan(180/5)

Area = 500 × tan 36

Area = 363.3

The formula for determining the perimeter of a regular polygon is

P = 2 × area/apotherm

Perimeter = 2 × 363.3/10

Perimeter = 72.67

6 0
3 years ago
Help me with this please <3
torisob [31]
Please limit the number of questions per thread to no more than 1.
4 0
4 years ago
Hxxjjxjjjjjjjjjjjjjbxxjxjxxx
Taya2010 [7]

Answer:

xxxjxjxxbjjjjjjjjjjjjxjjxxh

Step-by-step explanation:

Listen that question is easy how u aint get it

7 0
3 years ago
What is the binomial expansion of (2x-3)^5
faltersainse [42]

Answer:

(2x - 3)⁵= 32x⁵ - 240x⁴ + 720x³ - 1080x² + 810x - 243

Step-by-step explanation:

We need to write the expansion of Binomial (2x - 3)⁵

Here general form of binomial expansion is:

(a + b)ⁿ = ⁿC₀aⁿ + ⁿC₁aⁿ⁻¹b + ⁿC₂aⁿ⁻²b² + ⁿC₃aⁿ⁻³b³ + ... + ⁿCₙbⁿ

(2x - 3)⁵= ⁵C₀(2x)⁵ + ⁵C₁(2x)⁵⁻¹(-3) + ⁵C₂(2x)⁵⁻²(-3)² + ⁵C₃(2x)⁵⁻³(-3)³  

                +⁵C₄(2x)⁵⁻⁴(-3)⁴ + ⁵C₅(2x)⁵⁻⁵(-3)⁵

(2x - 3)⁵= (32x⁵) + 5(16x⁴)(-3) + 10(8x³)(-3)² + 10(4x²)(- 3)³ + 5(2x)(-3)⁴+(-3)⁵

(2x - 3)⁵= 32x⁵ - 240x⁴ + 720x³ - 1080x² + 810x - 243                

That's the final answer.

5 0
3 years ago
Read 2 more answers
Please help!!!!!!!! I will mark brainliest if right!!!! Explain
Zanzabum

Answer:

They are not similar.

Step-by-step explanation:

The angles of a triangle add up to be 180°. If they were similar, the triangle angles would have to be 60°, 40°, and 80°. Because one of the angles is 81°, the triangles cannot be similar.

81° + 40° + 60° does not equal 180.

3 0
3 years ago
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