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alukav5142 [94]
3 years ago
13

Solve for x: 3x - 5 = -2x + 40

Mathematics
1 answer:
Gre4nikov [31]3 years ago
5 0

Answer: x = 15

Step-by-step explanation:

Rearrange the equation by subtracting what is to the right of the equal sign from both sides of the equation :

                    3*x-5-(40)=0

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A zip line takes passengers on a 200 m ride from high up in the trees to a ground level platform. If the
attashe74 [19]

The zip line forms a right triangle with the tree, when elevated

The height of the tree is 35 meters

<h3>How to calculate the height of the tree</h3>

Represent the height of the tree with h.

So, the height h is calculated using the following sine function

\sin(10) = \frac{h}{200}

Make h the subject

h = 200 * sin(10)

Evaluate the product

h = 35 meters

Hence, the height of the tree is 35 meters

Read more about right triangle at:

brainly.com/question/2217700

7 0
3 years ago
Lucy spends 4 hours a week babysitting. Her sister Lily spends seven eighths as much time babysitting. Does Lily babysit for mor
olganol [36]

Answer:

Lily babysit for <u>less than 4 hours</u>.

Step-by-step explanation:

Given:

Lucy spends in a week babysitting for 4 hours.

Lily spends seven-eighths of 4 hours.

Now, to find whether Lily babysit for more than 4 hours or less than that.

Number of hours Lucy babysit = 4 hours.

So, to get the hours Lily babysit:

\frac{7}{8}\ of\ 4\ hours.

=\frac{7}{8}\times 4\\\\=\frac{28}{8} \\\\

<em>On simplifying we get:</em>

=\frac{7}{2} \\\\=3\frac{1}{2}\ hours.

<u><em>Thus, Lily spends </em></u>3\frac{1}{2}\ hours<u><em>  for babysitting which is less than 4 hours.</em></u>

Therefore, Lily babysit for less than 4 hours.

4 0
3 years ago
Each lap around a park is 0.58 miles. Jessica walked 3.25 laps around the park. How many miles did Jessica walk around the park?
xz_007 [3.2K]
0.58x3.25=1.885
c.)1.885 miles
6 0
3 years ago
Find the unit rate.<br> 10 minutes for 2 songs<br> =<br> minutes per song
sladkih [1.3K]

Hi ;-)

10 minutes for 2 songs = 5 minutes per song

10 : 2 = 5

7 0
3 years ago
Read 2 more answers
2x=90<br> 3y-2x=90<br> Please tell me work
svp [43]
90 divided by 2= 45 so x=45
2•45=90
So, for the next one y=60 because 90+90=180
3•60-2•45=90
5 0
3 years ago
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