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Goryan [66]
3 years ago
5

\angle DAC=\angle BAD∠DAC=∠BADangle, D, A, C, equals, angle, B, A, D. What is the length of \overline{AC} AC start overline, A,

C, end overline? Round to one decimal place. Stuck
Mathematics
2 answers:
aniked [119]3 years ago
7 0

Answer: 5.9

Step-by-step explanation: Khan Academy

a_sh-v [17]3 years ago
6 0

Answer:

AC = 4.5 units

Step-by-step explanation:

Given question is incomplete without the figure; find the figure attached.

By applying angle bisector theorem in the given triangle ABC,

(Since, AD is the angle bisector of ∠BAC)

\frac{AC}{CD}=\frac{AB}{BD}

\frac{AC}{2.5}= \frac{6.8}{3.8}

AC = \frac{6.8\times 2.5}{3.8}

AC = 4.47

AC ≈ 4.5 units

Length of side AC in the given triangle = 4.5 units.

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Stuart's bank account had a balance of - $54.19 last month. This month he won a cash prize of $70.82 for winning a competition.
Alenkinab [10]

If Stuart starts with -$54.19 then gains $70.82, you have to add the gained amount to the origin amount. Since the origin amount is negative, you can also subtract the origin amount from the gained amount to find the amount left at the end of the month.

Add 70.82 to -54.19

-54.19 + 70.82 = 16.63

<u>Alternative method:</u>

First, subtract 54.19 from 70.82.

70.82 - 54.19 = 16.63

Add 54.19 to -54.19, bringing you to 0.

-54.19 + 54.19 = 0

Now add the remaining 16.63.

0 + 16.63 = 16.63

<h2>Answer:</h2>

<u>Stuart will have </u><u>$16.63</u><u> at the end of this month.</u>

7 0
3 years ago
Nora needs at least $115 for a new cell phone. She has already saved $45. She earns $7 an hour at her job. Write and solve an in
Volgvan

Answer:

she only needs to work ten hours

Explanation: if you subtract 45 from 115 you well end up with 70 a and if you work for ten hours 7 ×10=70 so you would have enough.

8 0
3 years ago
Which decimal is equivalent to 56?
Akimi4 [234]

Answer:

0.56

Step-by-step explanation:

7 0
3 years ago
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How does a 180 degree rotation about the origin change the coordinates of a shape
notsponge [240]

Answer:

According to the 180°-rotation rule, you take the OPPOSITE of both the x-coordinate and y-coordinate:

180°: [<em>x</em>, <em>y</em>] → [<em>-x</em>, <em>-y</em>]

I am joyous to assist you anytime.

6 0
3 years ago
Find the value of x that makes this equation true, just write a number for your answer. Use / for writing fractions
grandymaker [24]

Answer:

8/21 = -2/7x

8*7x/21 = -2

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56x = -2*21

56x = -42

56x/56 = -42/56

<h2>X = -3/4 , -0.75</h2>

Step-by-step explanation:

4 0
3 years ago
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