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andreyandreev [35.5K]
3 years ago
13

How do you multiply 2 square roots? Ex.

="TexFormula1" title="\sqrt{2x+3} \sqrt{x-2}" alt="\sqrt{2x+3} \sqrt{x-2}" align="absmiddle" class="latex-formula">
Mathematics
1 answer:
Murljashka [212]3 years ago
8 0

Answer:

Step-by-step explanation:

\sqrt{2x+3} \sqrt{x-2} =\sqrt{(2x+3)(x-2)} =\sqrt{2x^2-4x+3x-6} =\sqrt{x^2-x-6}

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two adjacent angles of a parallelogram are in the ratio 5:2: . find all the angles of the parallelogram​
kicyunya [14]

<h2>Given :-</h2>

  • Two adjacent angles of a parallelogram are in the ratio of 5 : 2.

<h2>To Find :-</h2>

  • What is the all angles of the parallelogram.
<h3 /><h3 /><h2>Solution :-</h2>

Let, the first angles be 5x

And, the second angles will be 2x

As we know that,

★ Sum of all angles = 180° ★

According to the question by using the formula we get,

  • ⇒ 5x+2x=180°

  • ⇒7x=180°

  • ⇒ \sf x =\: \dfrac{\cancel{180^{\circ}}}{\cancel{7}}

  • ➠ \sf\bold{\red{x =\: 25.7^{\circ}}}

Hence, the required angles are,

  • First angles = 5x = 5(25.7°) = 128.5°
  • Second angles = 2(25.7°) = 51.4°

As we know that, 

opposite angles in a parallelogram

is equal.

∴ The all angles of a parallelogram is 128.5°,51.4°, 128.5° and 51.4°.

6 0
2 years ago
Fill in the missing words
exis [7]

Answer:

0.09 is the same as 9 hundredths

0.9 is the same as 9 tenths

0.009 is the same as 9 thousands

Step-by-step explanation:

4 0
3 years ago
Elena collects 112 specimens of beetle and records their lengths for an ecology research project. When she returns to the labora
pantera1 [17]

Answer:

The correct option is;

C. She should go back and remeasure all of her specimens again to find the error. If she can't do this, she should eliminate the outlier from the analysis, because this is an error in recording

Step-by-step explanation:

In order to minimize error in measurement, some valuable steps includes;

1) Perform a double check on all measurements to ensure that the measurements recorded are accurate

2) Ensure proper training before taking measurements

3) Measurements should only be taken under controlled conditions

4) Separate the entire population into smaller groups for proper recording

5) Have a second observer double check the records

7 0
2 years ago
Are these(4,1) 1,-3) (2,0) solutions to this graph?
kogti [31]
(4,1) : no because the line is solid.
(1,-3) : yes because the line is not solid.
(2,0) : no because the line is solid.

Solid lines represent < or >, and if a point is on the line directly, it’s not included in the solution set.
7 0
3 years ago
Question 1
fiasKO [112]
The scale factor is 3
4 0
3 years ago
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