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2 years ago

Ixl b.5 additive property of length

Mathematics

1 answer:

kiruha [24]2 years ago

8 0

Answer:

The length of segment SU is 16.8 units

Step-by-step explanation:

From the question

T is a point on the line segment SU

That means T divides SU segment into two parts ST and TU

SU = ST + TU

Let us use this equation to solve the question

∵ The length of ST is 10.6 units

∵ The length of TU is 6.2 units

→ Substitute them in the equation above

∴ SU = 10.6 + 6.2

∵ .6 + .2 = .8

∵ 10 + 6 = 16

∴ 10.6 + 6.2 = 16.8

∴ SU = 16.8 units

The length of segment SU is 16.8 units

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2 years ago

A student inscribes a triangle within a semicircle. What is the measure of ∠XYZ?

Dmitry [639]

Answer:

The correct answer is option A. 90°

Step-by-step explanation:

Points to remember

Measure of angles on the semicircle is 90°

From the figure we can see a semicircle and a triangle inscribes on it.

To find the measure of <XYZ

Here <XYZ is on the semicircle that is angle XYZ is a right angle.

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2 years ago

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sammy [17]

Answer:

g(f(x)) = 6x - 14

General Formulas and Concepts:

Pre-Algebra

Distributive Property

Algebra I

Function Composition

Step-by-step explanation:

Step 1: Define

g(x) = 3x + 1

f(x) = 2x - 5

Step 2: Find

Substitute: g(f(x)) = 3(2x - 5) + 1
Distribute 3: g(f(x)) = 6x - 15 + 1
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2 years ago

Expand and simplify (x-4)(x-1)

andre [41]

Step-by-step explanation:

(x - 4)(x - 1)

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About 1.75 million people live in a circular region with a 15-mile diameter. Find the population density in people per square mi

pav-90 [236]

About 1.75 million people live in a circular region with a 15-mile diameter. Find the population density in people per square mile.

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Also we are given the circular region has a diameter = 15 mile

Which means the radius of region $\frac{15}{2}=7.5$ mile

Therefore, the area of the circular region $=\pi r^{2}$

$=3.14 \times 7.5^{2}$

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Now the population density per square mile is:

$\frac{1075000}{176.625}$

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Therefore, the population density per square mile is 6086

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2 years ago

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