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3 years ago

9

Lucas’s computer took 480 seconds to download 30 songs. How many seconds per song did it take his computer to download?

2 answers:

Arte-miy333 [17]3 years ago

4 0

Answer:

16 seconds per download

Step-by-step explanation:

480/30 = 16 seconds

Scorpion4ik [409]3 years ago

3 0

Answer:

16 seconds.

Step-by-step explanation:

just take 480 divided by 30.

that should give you 16.

16 seconds per song

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The angles of traingle are in the ratio 3:7:8 find them in degrees as well as in radians

I am Lyosha [343]

30°, 70°, and 80°.
It is an acute-angled triangle.
Explanation:
The ratio of the measures of ∠s in Δ is 3:7:8.
So, let us suppose that the measures are, 3k, 7k, 8k.
Evidently, their sum is
180°.

3k+7k+8k=180
18k=180
k= 10

Hence, the measures are,
30°, 70°, and 80°.
As all the angles are acute, so is the triangle.

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3 years ago

5+2x=2x+6<br> What's the answer?

Marina86 [1]

<u>Answer:</u>

Below!

<u>Step-by-step explanation:</u>

<u>We can solve this with the help of equations.</u>

5 + 2x = 2x + 6
=> -2x + 2x = -5 + 6
=> 0 ≠ 1

<u>Since we are getting 0 ≠ 1 as our result, the problem has </u><u>no solution.</u>

Hoped this helped.

$BrainiacUser1357$

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2 years ago

What is the measure of x?

expeople1 [14]

Answer:

Step-by-step explanation:

Use similar triangles and proportions to solve:

$\frac{4}{6}=\frac{10}{6+x}$ and cross multiply:

4(6 + x) = 60 and

24 + 4x = 60 and

4x = 36 so

x = 9

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3 years ago

A fruit company delivers its fruit in two types of boxes: large and small. A delivery of 5 large boxes and 3 small boxes has a t

faltersainse [42]

Answer:

one large box equals 15.75<em>kg</em>

one small box equals 13.75<em>kg</em>

Step-by-step explanation:

First, identify your variables:

Let "l" represent the weight of one large box.

Let"s" represent the weight of one small box.

Then, stack the two equations on top of each other:

$5l+3s=120\\7l+9s=234$

Next, multiply the first equation by 3 so we can use elimination of the "s" variable to find the "l" variable first:

$3(5l+3s=120)\\7l+9s=234\\\\15l+9s=360\\7l+9s=234$

Now, subtract the two equations to cancel out the s-variable and find the l-variable:

$15l+9s=360\\-(7l+9s=234)\\8l=126\\\frac{8l}{8}=\frac{126}{8}\\l=15.75$

Then, substitute your l-variable in the original first equation to find the s-variable:

$5l+3s=120\\5(15.75)+3s=120\\78.75+3s=120\\78.85-78.75+3s=120-78.75\\3s=41.25\\\frac{3s}{3}=\frac{41.25}{3}\\s=13.75$

With all the information that is collected, you find that one large box weighs 15.75<em>kg</em> and one small box weighs 13.75<em>kg</em>.

4 0

2 years ago

Given m∠P = 38° and m∠O = 70°, find m∠1.<br><br><br>38 72 108 142

mote1985 [20]

Answer:

<h3>m∠1 = 72°</h3>

Step-by-step explanation:

We know: The sum of the measures of a triangle is 180°.

Therefore we have the equation:

$m\angle P+m\angle O+m\angle 1=180^o$

We have

$m\angle P=38^o,\ m\angle O=70^o$

Substitute:

$38^o+70^o+m\angle 1=180^o$

$108^o+m\angle1=180^o$ <em>subtract 108° from both sides</em>

$m\angle1=72^o$

6 0

3 years ago

Read 2 more answers