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3 years ago

Take your time to answer this question, I have till tomorrow.

Mathematics

1 answer:

Bad White [126]3 years ago

6 0

it’s the 2 dark purple triangles

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VMariaS [17]

The slope is the slope :D

4 0

3 years ago

Read 2 more answers

In abc above,what is the length of ad

Nezavi [6.7K]

Answer:

Step-by-step explanation:

First calculate BD using sine ratio in Δ BCD and the exact value

sin60° = $\frac{\sqrt{3} }{2}$ , thus

sin60° = $\frac{opposite}{hypotenuse}$ = $\frac{BD}{BC}$ = $\frac{BD}{12}$ = $\frac{\sqrt{3} }{2}$ ( cross- multiply )

2BD = 12 $\sqrt{3}$ ( divide both sides by 2 )

BD = 6 $\sqrt{3}$

-----------------------------------------------------------

Calculate AD using the tangent ratio in Δ ABD and the exact value

tan30° = $\frac{1}{\sqrt{3} }$ , thus

tan30° = $\frac{opposite}{adjacent}$ = $\frac{AD}{BD}$ = $\frac{AD}{6\sqrt{3} }$ = $\frac{1}{\sqrt{3} }$ ( cross- multiply )

$\sqrt{3}$ AD = 6 $\sqrt{3}$ ( divide both sides by $\sqrt{3}$ )

AD = 6 → B

4 0

3 years ago

Whats the area of the figure ? pls help

Dmitriy789 [7]

Answer:

672

Step-by-step explanation:

a+b / 2 times h

7 0

3 years ago

A garden table and a bench cost $450 combined. The cost of the garden table is two times the cost of the bench. What is the cost

givi [52]

The cost of the bench is $150.

300÷2= 150

150+300= 450

Hope this helps! :)

\(^ ◇^)/

6 0

3 years ago

Abigail and Bailey wash dogs to make extra money. Abigail can wash all of the dogs in 5 hours. Bailey can wash all the dogs in 3

aleksandr82 [10.1K]

Answer: The correct option is (b) $1\dfrac{7}{8}~\textup{hours}.$

Step-by-step explanation: Given that Abigail and Bailey wash dogs to make extra money. Abigail can wash all of the dogs in 5 hours and Bailey can wash all the dogs in 3 hours.

We are to find the time taken by them if they wash the dogs together.

Abigail can wash the dogs in 5 hours.

So, in 1 hour, the fraction of the dogs Abigail can wash is given by

$\dfrac{1}{5}.$

Bailey can wash the dogs in 3 hours.

So, in 1 hour, the fraction of the dogs Bailey can wash is given by

$\dfrac{1}{3}.$

Hence, if they work together, then the fraction of the dogs that they wash in 1 hour is given by

$\dfrac{1}{5}+\dfrac{1}{3}=\dfrac{3+5}{15}=\dfrac{8}{15}.$

Therefore, the time taken by them to wash the dogs if they work together will be

$t=\dfrac{1}{\frac{8}{15}}=\dfrac{15}{8}=1\dfrac{7}{8}~\textup{hours}.$

Thus, option (b) is correct.

7 0

3 years ago