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2 years ago

PLEASEEE

Mathematics

1 answer:

zzz [600]2 years ago

6 0

Answer:

13.4

Step-by-step explanation:

AB =2DC

So, DC=AB/2

Now, AB/AC=DE/DC

AB/28=13/(AB/2)

AB²=13×28×2

AB=√728

AB=26.98

now, DC=AB/2

=13.4

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What is the slope of the line through the point (-4,6) and (-3,-1)?

zimovet [89]

Answer:

B.) -7/1

Step-by-step explanation:

Finding the slope we use: y2 - y1/x2 - x1

m = -1 - 6/-3 - (-4)

m = -7/-3 + 4

m = -7/1

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3 years ago

Find the value of x in degrees

ipn [44]

Answer:

x=37

Step-by-step explanation:

angles inside a triangle add up to 180

add all angles equal to 180

(x+10)+(3x-5)+(x)=180

remove parenthesis, combine like terms

5x-5=180

add 5 both sides

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3 years ago

Select the ratios simplest form is 8/7

joja [24]

Answer:

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Hope this helps (O^O)

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3 years ago

Read 2 more answers

State what additional information is required in order to know what the triangles are congruent by SSS.

soldi70 [24.7K]

Answer:

see below

Step-by-step explanation:

In order to show congruence by SSS (Side-Side-Side), you need to have 3 pairs of sides congruent. The diagram shows two pairs congruent (those of choice B), so you need information that the third pair of sides is congruent, choice D.

Any answer choices involving angles are irrelevant for SSS congruence.

4 0

3 years ago

BRAINLIEST VOLUME OF A SPHERE

Rina8888 [55]

Answer:

$\displaystyle V = 972 \pi \ ft^3$

General Formulas and Concepts:

Pre-Algebra

Order of Operations: BPEMDAS

Brackets
Parenthesis
Exponents
Multiplication
Division
Addition
Subtraction

Left to Right

Geometry

Volume of a Sphere Formula: $\displaystyle V = \frac{4}{3} \pi r^3$

V is volume
r is radius

Step-by-step explanation:

Step 1: Define

Radius r = 9 ft

Step 2: Solve for V

Substitute in r [Volume of a Sphere Formula]: $\displaystyle V = \frac{4}{3} \pi (9 \ ft)^3$
[Volume] Evaluate exponents: $\displaystyle V = \frac{4}{3} \pi (729 \ ft^3)$
[Volume] Multiply: $\displaystyle V = 972 \pi \ ft^3$

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2 years ago