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3 years ago

Identify the infinitive phrase and its use. The scientist tried to learn new ideas from his experiments.

Mathematics

2 answers:

zlopas [31]3 years ago

7 0

Answer:

<h2>infinitive phrase: to learn new ideas</h2>

Just remember that an infinitive phrase is a group of words that use an infinitive condition to + verb. Therefore, its use is to express action in the sentence working as a noun because it answers the question ''what?'': What did the scientist try?

Trava [24]3 years ago

4 0

The infinitive phrase in the sentence is 'to learn new ideas from his experiments' since it has the (to + simple form of the verb + modifers). Its function is a noun because it is the direct object for the verb 'tried'.

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The coordinates of the vertices of parallelogram RMBS are R(–4, 5), M(1, 4), B(2, –1), and S(–3, 0). Using the diagonals, prove

REY [17]

To prove a rhombus you need to show that the sides are congruent and the diagonals are perpendicular.

Sides:

$d_{RM}=\sqrt{(-4-1)^2+(5-4)^2}$

$=\sqrt{(-5)^2+(1)^2}$

$=\sqrt{25+1}$

$=\sqrt{26}$

$d_{MB}=\sqrt{(1-2)^2+(4+1)^2}$

$=\sqrt{(-1)^2+(15)^2}$

$=\sqrt{1+25}$

$=\sqrt{26}$

$d_{BS}=\sqrt{(2+3)^2+(-1-0)^2}$

$=\sqrt{(5)^2+(-1)^2}$

$=\sqrt{25+1}$

$=\sqrt{26}$

$d_{SR}=\sqrt{(-3+4)^2+(0-5)^2}$

$=\sqrt{(1)^2+(-5)^2}$

$=\sqrt{1+25}$

$=\sqrt{26}$

$\overline{RM}$ ≅ $\overline{MB}$ ≅ $\overline{BS}$ ≅ $\overline{SR}$

Diagonals:

Use the slope formula: $m=\dfrac{y_2-y_1}{x_2-x_1}$

$m_{RB}=\dfrac{5+1}{-4-2}$

$=\dfrac{6}{-6}$

= -1

$m_{MS}=\dfrac{4-0}{1+3}$

$=\dfrac{4}{4}$

= 1

Slopes are opposite reciprocals so they are perpendicular.

***************************************************************************

All of the sides are congruent and the diagonals are perpendicular so RMBS is a rhombus.

4 0

4 years ago

A triangle has angles measuring 10 degrees, 40 degrees and 130 degrees with side lengths of 23 cm, 84 cm and 100 cm. Classify th

AnnyKZ [126]

Answer:

<u>The correct answer is D. obtuse scalene</u>

Step-by-step explanation:

1. Let's recall that a equilateral triangle has its three sides of the same length. An equilateral triangle is always equiangular. This is not our given triangle.

2. Let's recall that an isosceles triangle has two sides of the same length. This is not our given triangle.

<u>3. Finally, let's recall that in a scalene triangle, none of the sides are the same length. And if one of the given angles is greater than a right angle, measures more than 90 degrees, it is an obtuse triangle. This is our given triangle.</u>

<u>The correct answer is D. obtuse scalene.</u>

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4 years ago

Someone KEEPS answering my questions and THERE ANSWERS ARE RIGHT. AHH HOW? srlt2 you smart. Anyways does anyone wanna help me

vekshin1

Answer:

lol, hello again!

SA = 456 cm²

Step-by-step explanation:

small rectangle SA: 6*4 + 6*8 + 6*4 + 6*8 + 4*8 = 176

large rectangle SA: 2*14 + 2*8 + 2*14 + 2*8 + 8*14 + (8*14 - 8*4) = 280

Total SA = 176 + 280 = 456

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3 years ago

when a linear in standard form has x and y coefficients with the same sign which way does the line slope

SashulF [63]

The x goes diagonal from they y variable

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attashe74 [19]

The answer should most likely be A. I think

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