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3 years ago

Triangle CDE is translated down into the right forming triangle C’D’E’. Which congruency statement is correct?

Mathematics

1 answer:

Shalnov [3]3 years ago

7 0

Answer:

B: DCE=D'C'E'

I hoped this helped you!

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A survey asked 200 Grade 4 students about their reading preferences. Based on the Graph, how many of them would you expect to pr

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Answer:

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3 years ago

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What is the distance between the points (2, 1) and(6, 7)?

icang [17]

Answer:

$\displaystyle d = 2\sqrt{13}$

General Formulas and Concepts:

Pre-Algebra

Order of Operations: BPEMDAS

Brackets
Parenthesis
Exponents
Multiplication
Division
Addition
Subtraction

Left to Right

Algebra I

Coordinates (x, y)

Algebra II

Distance Formula: $\displaystyle d = \sqrt{(x_2 - x_1)^2 + (y_2 - y_1)^2}$

Step-by-step explanation:

Step 1: Define

Identify

Point (2, 1)

Point (6, 7)

Step 2: Find distance d

Simply plug in the 2 coordinates into the distance formula to find distance d

Substitute in points [Distance Formula]: $\displaystyle d = \sqrt{(6 - 2)^2 + (7 - 1)^2}$
[√Radical] (Parenthesis) Subtract: $\displaystyle d = \sqrt{4^2 + 6^2}$
[√Radical] Evaluate exponents: $\displaystyle d = \sqrt{16 + 36}$
[√Radical] Add: $\displaystyle d = \sqrt{52}$
[√Radical] Simplify: $\displaystyle d = 2\sqrt{13}$

3 0

3 years ago

One acute angle of a right triangle measures 28°. To the nearest tenth, what is the length of the side opposite that angle if th

vitfil [10]

C because it is the answer

3 0

3 years ago

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Question is attached, Don't worry explaining too much just make sure the answer is correct :))

garik1379 [7]

Answer:

The image below will explain the question

To figure out the length of portion BC, we will use the trigonometric ratio below

$\begin{gathered} \sin\theta=\frac{opposite}{hypotenus} \\ oppsite=BC \\ hypotenus=8in \\ \theta=35 \end{gathered}$

By substituting the values, we will have

$\begin{gathered} \sin(\theta)=\frac{oppos\imaginaryI te}{hypotenus} \\ \sin35=\frac{BC}{8} \\ cross\text{ multiply, we will have} \\ BC=8\sin35 \end{gathered}$

Hence,

The final answer is

$\Rightarrow8\sin35^0$

The FOURTH OPTION is the right answer

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1 year ago

-3√81 + √16 combine the radical below

cupoosta [38]

√81=9
√16=4

-3(9)+4
-27+4
-23

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3 years ago

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