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nlexa [21]
3 years ago
14

What are the two types of questions in the math section of the psat

SAT
2 answers:
professor190 [17]3 years ago
8 0
<span>The PSAT Math section is composed of two sub-sections: a 45-minute calculator-optional section, and a 25-minute no-calculator section. These sections include a total of 48 questions: 40 multiple-choice questions and 8 student-produced response (or "grid-in") questions. The multiple-choice questions provide four possible answers; students must determine which of the four choices is the correct solution to the question. The grid-in questions require students to calculate and grid the correct answers; no answer choices are given. Some grid-in questions can have more than one correct answer.</span>
frosja888 [35]3 years ago
7 0

Multiple-choice and grid-ins

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Consider the chemical equation for the combustion of sugar. _C6H12O6(s) _O2(g) Right arrow. _CO2(g) _H2O(l) Which sequence of co
Ipatiy [6.2K]

C₆H₁₂O₆ + O₂   ⇄   CO₂ + H₂O

There are 6 carbons on the left side, so you need at least 6 molecules of CO₂ on the right.

You also have 12 hydrogens on the left, so you need at least 6 molecules of H₂O on the right.

The reaction so far is then

C₆H₁₂O₆ + O₂   ⇄   6 CO₂ + 6 H₂O

Now, on the left, you have a total of 6 + 2 = 8 oxygens, while on the right, you have 12 + 6 = 18 oxygens. To make up the difference, you need 6 molecules of oxygen:

C₆H₁₂O₆ + 6 O₂   ⇄   6 CO₂ + 6 H₂O

so the sequence is 1, 6, 6, 6.

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3 years ago
Which of the following is not a possible cross section of a rectangular prism?
statuscvo [17]

Answer:

Trapezoid, Triangle, Rectangle, Oval

Explanation:

A cross - section the intersection of a 3 dimensional figure and a plane.

8 0
3 years ago
What happened after 1872 that led to a decline in violence against african americans?
slamgirl [31]
The federal gov took legal action against many members of the KKK
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2 years ago
Section 1: Rhythm Identification (Question: 1 of 20) For section 1, identify the rhythm by selecting the single best answer.
qwelly [4]

The rhythm identified by selecting the single best answer is; Sinus Bradycardia.

<h3>How to Identify the Heart Rhythm?</h3>

Looking at the image of the heart beat diagram, we can say that the rhythm identified by selecting the single best answer is Sinus Bradycardia.

Sinus bradycardia is a heart rhythm where your heart beats slower than expected (under 60 beats per minute for adults) but otherwise works normally. It's fairly common, especially in adults over 65 and those who exercise regularly. It's usually not serious unless you have symptoms.

Sinus bradycardia is a type of slow heartbeat. A special group of cells begin the signal to start your heartbeat. These cells are in the sinoatrial (SA) node. Normally, the SA node fires the signal at about 60 to 100 times per minute at rest. In sinus bradycardia, the node fires less than 60 times per minute.

Read more about Heart beat Rhythm at; brainly.com/question/4581254

#SPJ1

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2 years ago
Identify one nineteenth-century ideology that likely influenced the various forms of political activism referred to in source 1.
aliina [53]

The feminist ideology initiated in the 19th century influenced the various forms of political activism of the period, since in the period there was the creation of political groups organized by women in search of greater rights.

<h3 /><h3>Feminist Struggle</h3>

The nineteenth century was marked as the beginning of feminism, influenced by the emergence of European liberal society, with the core in industrialized England, where the first feminist political groups and revolutions emerged to conquer the right to vote, education and work.

Therefore, the search for gender equality through the feminist movements started in the 19th century, helped in the achievement of several women's rights that generated greater inclusion of women in all social spheres and greater freedom of choice.

Find out more information about feminism here:

brainly.com/question/6639882

8 0
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