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Helen [10]

4 years ago

e questions " alt="Help me please on these questions " align="absmiddle" class="latex-formula">

Mathematics

1 answer:

fomenos4 years ago

5 0

3. yes
4. no
5. no
6. yes
7. yes

do you want 8, 9, 10, and 11 too?

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Which of the following statements must be true about this diagram? Check all that apply.

Vinvika [58]

Answer:

The statements must be true are A , D , E

Step-by-step explanation:

* Lets explain the figure

- There is a triangle

- Its interior angles are x° , y° , z°

- The angle of measure w° is an exterior angle of the triangle at the

vertex whose measure is z°

- There a fact in the triangle is the measure of the exterior angle of a

triangle at one of its vertices is equal to the sum of the measures

of the two opposite interior angles to this vertex

∵ w° the measure of the exterior angle of the vertex whose measure

is z°

∵ x° , y° are the measures of the opposite interior angles of the angle

whose measure is z°

∴ w° = x° + y°

∴ w° > x°

∴ w° > y°

* Lets find the statements must be true

# w > x ⇒ A

# x + y = w ⇒ D

# w > y ⇒ E

4 0

4 years ago

Read 2 more answers

Please help me! I need the answer pretty fast...

lukranit [14]

Answer:

15 m

Step-by-step explanation:

you would use a sin equation because given the angle, the side you are resting to find is Opposite and the side you are given is the Hypotenuse

sin (32) = a/28

28 x sin (32) = a

14.83 = a

15 m = a when rounded

6 0

3 years ago

VikaD [51]

They stole each recorder for $20.84

8 0

3 years ago

Sin (3x) dx = ? find the integral

AVprozaik [17]

Answer:

$\displaystyle \displaystyle \int {sin(3x)} \, dx = \frac{-cos(3x)}{3} + C$

General Formulas and Concepts:

Calculus

Antiderivatives - Integrals

Integration Constant C

Integration Property [Multiplied Constant]: $\displaystyle \int {cf(x)} \, dx = c \int {f(x)} \, dx$

Trig Integration: $\displaystyle \int{sin(x)} \, dx = -cos(x) + C$

U-Substitution

Step-by-step explanation:

Step 1: Define

$\displaystyle \int {sin(3x)} \, dx$

Step 2: Identify Substitution Variables

u = 3x

du = 3dx

Step 3: Integrate

[Integral] Rewrite: $\displaystyle \frac{1}{3}\int {3sin(3x)} \, dx$
[Integral] U-Substitution: $\displaystyle \frac{1}{3}\int {sin(u)} \, du$
[Integral] Trig Integration: $\displaystyle \frac{1}{3}[-cos(u)] + C$
[Expression] Multiply: $\displaystyle \frac{-cos(u)}{3} + C$
[Expression] Back-Substitute: $\displaystyle \frac{-cos(3x)}{3} + C$

8 0

3 years ago

Elimination

lilavasa [31]

This how to solve by the elimination method..

3 0

3 years ago