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Triss [41]
3 years ago
15

Find x Help me please

Mathematics
1 answer:
ch4aika [34]3 years ago
3 0

Answer:

x=31.2

Step-by-step explanation:

Since angle C is 4x-10 and angle A is 2x+3

then the two angles combined should equal 180 (based off of the inscribed quadrilateral theorem)

4x-10+2x+3=180

6x-7=180

6x=187

x=31.166...

if you round it to the nearest tenth it would be 31.2

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SCORPION-xisa [38]
Answer: a square because it is four sided and doesn’t matter how long you rotate it
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3 years ago
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Logan genetically engineered a new type of fir tree and a new type of pine tree. The combined height of one fir tree and one pin
shepuryov [24]

Answer:

The types of trees that Logan genetically engineered are fir trees <u>9 meters</u> tall and pine trees <u>12 meters</u> tall.

Step-by-step explanation:

Given:

The combined height of one fir tree and one pine tree is 21 meters.

The height of 4 fir trees stacked on top of each other is 24 meters taller than one pine tree.

Now, to find the height of types of trees that Logan genetically engineered.

<em>Let the height of fir tree be </em>x.<em />

<em>And let the height of pine tree be </em>y.<em />

So, the combined height of both the trees:

x+y=21\\\\x=21-y\ \ \ .....(1)

As given, the height of 4 fir trees stacked on top of each other is 24 meters taller than one pine tree.

Thus,

4x=y+24

Now, substituting the value of x from equation (1):

4(21-y)=y+24

<em />84-4y=y+24<em />

<em>Subtracting both sides by 24 we get:</em>

<em />60-4y=y<em />

<em>Adding both sides by </em>4y<em> we get:</em>

<em />60=5y<em />

<em>Dividing both sides by 5 we get:</em>

12=y\\\\y=12\ meters.

<u>The height of pine trees = 12 meters.</u>

Now, substituting the value of y in equation to get the height of fir trees:

x=21-y\\\\x=21-12\\\\x=9\ meters.

<u>The height of fir trees = 9 meters.</u>

Therefore, the types of trees that Logan genetically engineered are fir trees 9 meters tall and pine trees 12 meters tall.

4 0
3 years ago
Bianca works as a content writer for $ 10 an hour and as a library assistant for $ 14 an hour. This month, she worked a combined
trasher [3.6K]

It's given in the question,

  • Bianca works as a content writer for $10 per hour.
  • She works as a library assistant for $14 per hour.

She worked for a combined total of 75 hours for both the jobs this month.

Let c be the number of hours Bianca worked as a content writer.

Her earning for this month as a content writer = $10c

Her working hours as library assistant this month = (75 - c) hours

Therefore, her earning as a library assistant for the month = $14(75 - c)

By adding the earnings as a library assistant and a content writer for the month = $10c + $14(75 - c)

           = (10c - 14c) + 1450

           = $(9c + 1050)

    Therefore, expression for the combined total amount she earned this month will be $(9c + 1050).

Learn more,

brainly.com/question/196661

8 0
3 years ago
a rectangular Garden has a length of 12 ft you need 36 feet of fencing to enclose the garden what is the width of the garden? Ex
Alex73 [517]
12+12= 24
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3 years ago
4x + 6 = 30
Arturiano [62]

Answer:

x<-4

Step-by-step explanation:

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