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MArishka [77]
3 years ago
13

The square root of 9x plus 7 plus the square rot of 2x equall to 7

Mathematics
1 answer:
Oliga [24]3 years ago
4 0
Move all terms to the left side and set equal to zero. Then set each factor equal to zero.
x=2
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SAVE ME PLS
Andrej [43]

Answer:

81

Step-by-step explanation:

Set up a proportion to find how many total students there are [notice how females are on top and totals are on the bottom of the ratios]

\frac{4}{9} = \frac{396}{x} so cross multiply 4x = 396(9) so x = 891, if there are a total of 891 students and you need 1 teacher per 11 students then take 891/11 so you need 81 teachers.

You could set up another proportion 1/11 = x/891

6 0
3 years ago
The total amount of money (in cents) in x dimes, (x+4) nickels, and 3x quarters
marishachu [46]

Answer:

Step-by-step explanation:

4 0
3 years ago
Which of these expressions is equivalent to 8p3 + 27?
kipiarov [429]

Answer:

Hey there!

(2p - 3)(4p2 + 6p + 9) is equal to 8p^3+27. This is just a sum of cubes!

Let me know if this helps :)

3 0
3 years ago
Read 2 more answers
Which is the next step in the following construction of a regular hexagon?
laila [671]

Answer:

With compass setting the same as line segment PA, place the compass

at C and draw an arc that intersects the circle ⇒ answer D

Step-by-step explanation:

<em>Lets revise the step of construction a regular hexagon</em>

1. Draw circle with center P; put point A on the circle's edge at

any place

2. With compass setting the same as line segment PA, place the

compass at A and draw an arc that intersects the circle at B

3. With compass setting the same as line segment PA, place the

compass at B and draw an arc that intersects the circle at C

4. <em>With compass setting the same as line segment PA, place the</em>

<em>compass at C and draw an arc that intersects the circle</em> at D

5. Contain with the same step of placing the compass at the previous arc and draw an arc with same distance of PA until you reach point A again, then join each arc on the circle forming the regular hexagon

The given steps are:

Circle with center P; point A is along the circles edge, an arc at point B

is along the circles edge, and an arc at point C is along the circles edge

According to the steps above, the next step is:

<em>With compass setting the same as line segment PA, place the </em>

<em>compass at C and draw an arc that intersects the circle</em> (step 4)

7 0
3 years ago
Read 2 more answers
Matthew obtained a balloon mortgage but was late on a few payments during
Ann [662]

Answer:

A

Step-by-step explanation:

It would not be wise to sell your house to pay off a balloon debt and is very unlikely.

5 0
3 years ago
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