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MatroZZZ [7]
2 years ago
5

Bryce took a quiz that consisted of true-or-false questions and multiple-choice questions. The true-or-false questions were wort

h 1 point each, and the multiple-choice questions were worth 2 points each. Bryce only knows that he answered 8 questions correctly and earned a total of 14 points. To determine the number of each type of question that he answered correctly, he wrote the system of linear equations x + y = 8 and x + 2 y = 14.
Which ordered pair is a solution to this system of linear equations, and what does the ordered pair represent?
(0, 8); Bryce answered 0 true-or-false questions correctly and 8 multiple-choice questions correctly.
1. (2, 6); Bryce answered 2 true-or-false questions correctly and 6 multiple-choice questions correctly.
2.(6, 2); Bryce answered 6 true-or-false questions correctly and 2 multiple-choice 3.questions correctly.
4. (8, 0); Bryce answered 8 true-or-false questions correctly and 0 multiple-choice questions correctly.
Mathematics
2 answers:
Aliun [14]2 years ago
7 0

Answer:

Answer would be (2, 6); Bryce answered 2 true-or-false questions correctly and 6 multiple-choice questions correctly.

7nadin3 [17]2 years ago
5 0

Answer:

B

Step-by-step explanation:

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Andrew makes 11 saves in 2 soccer games. He made 8 saves in the first game. How many saves did Andrew make in the second game? M
Vitek1552 [10]

Answer:

3 saves in the second game.

Step-by-step explanation:

The total number of saves in both the games is 11.

The number of saves in first games is 8.

The number of saves in second game = Total number of saves - Number of saves in first game

The number of saves in second game = 11 - 8

Therefore the number of saves in the second game = 3 saves

6 0
2 years ago
The scale on a map is 1 inch =2 1/2 miles.the distance between two streets on the map is 1 3/4 inches what is the actual distanc
DanielleElmas [232]

Answer:

4 3/8 miles

Step-by-step explanation:

We are told that: the scale on a map is 1 inch =2 1/2 miles.the distance between two streets on the map is 1 3/4 inches

If 1 inches = 2 1/2 miles

1 3/4 inches =

Cross Multiply

1 3/4 × 2 1/2/1

= 7/4 × 5/2

= 35/8

= 4 3/8 miles

The actual distance between these streets is 4 3/8 miles

7 0
3 years ago
For each of the following hypothetical studies, identify the primary caution each researcher should have when drawing conclusion
Citrus2011 [14]

Answer:

Ecological correlation

Step-by-step explanation:

According to a different source, the options that come with this question are:

  • Ecological correlation
  • Extrapolation
  • Lurking variable
  • Influential observation

Sarah should be careful about the use of an ecological correlation. An ecological correlation describes two variables that are group means, as opposed to a correlation between two variables that describe individuals. In this case, Sarah did pick 75 random students in each state. However, she then obtained the height and weight means for each state, and proceeded to compare these. Therefore, Sarah is not comparing individual values, but means. It is important to notice this, because correlations at a group level can be much higher than those at the individual level.

5 0
3 years ago
What is 0.275 0.20 0.572 and 0.725 greatest to least
Andru [333]
.725 , .572 , .275, .2
You look at the first decimal place to see which is the greatest. 7 is greater than 5 and 2 so it's first. Then 5 is greater than 2 so it is next. For the last two numbers since 2 is the same value you look at the next decimal place. Since 7 is greater than 0 it comes next!
6 0
3 years ago
A bakery is having a sale on cupcakes. At 11am the bakery has sold 123 cupcakes. By 2pm the bakery has sold 470 cupcakes.
Wittaler [7]

Answer:

The average rate of change is 115 cupcakes per hour approximately

Step-by-step explanation:

6 0
2 years ago
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