3 years ago

Can u help me please ?

Mathematics

1 answer:

harina [27]3 years ago

6 0

Check the attached file and let me know what you think.

Download docx

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3 years ago

Read 2 more answers

Instructions: Find the missing length indicated.

nata0808 [166]

Answer:

x = 12

Step-by-step explanation:

By applying geometric root theorem in the given triangle,

$\frac{BD}{DC}= \frac{AD}{BD}$

$BD^2=AD\times DC$

$x^{2} =16\times 9$

$x=\sqrt{144}$

$x=12$

Therefore, x = 12 will be the answer.

8 0

3 years ago

1/4(1/3k+9)=6 step 1- 1/3k=15 step 2- 1/3k=15 step 3- k=5 find Olgas mistake step 1 step 2 steps 3 Olga did not make a mistake

shtirl [24]

Answer:

Step 3 contains error.

Step-by-step explanation:

The given equation is :

$\dfrac{1}{4}(\dfrac{1}{3}k+9)=6$

Step 1.

Cross multiplying,

$(\dfrac{1}{3}k+9)=24$

Step 2.

Subtract 9 from both sides

$\dfrac{1}{3}k+9-9=24-9\\\\\dfrac{1}{3}k=15$

Step 3.

Cross multiplying

$k=15\times 3\\\\k=45$

So, there is an error in step 3. The correct answer should be 45.

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2 years ago