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Anuta_ua [19.1K]
3 years ago
10

Is 31 and composite or prime

Mathematics
2 answers:
svp [43]3 years ago
7 0
Prime bc composite is when numbers can go into it
sergey [27]3 years ago
4 0
31 is a prime number.
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Find the slope and y-intercept of the line in each graph. (Explore Activity 1) Please help me
Anit [1.1K]

Answer:

1. Slope = -2 , y-intercept = 1

2. Slope = 5 , y-intercept = -15

3. Slope = 1.5 , y-intercept = -2

4. Slope = -3 , y-intercept = 9

Step-by-step explanation:

1. The slope is -2 because using the formula y₁-y₂÷x₁-x₂ you can use the points given to you to get -2. It doesn't matter which one you pick as y1 or y2, just make sure you keep it consistent with the x numberings. I did 1--3 (which becomes 1+3) and 0-2. Those equal 4/-2 which gives you -2. Use these same steps for all of them, but with ones that don't have the points given, just pick two that are whole numbers and not decimals. For finding the y-intercept, just find the point that is on the y axis line. It is given on number one as (0,1). So, the y-intercept is 1. Hope this helps!

6 0
3 years ago
Rebecca answered 42 of 60 questions correctly on a test which method should he she used to find the percent of question she answ
MakcuM [25]

She answered 70% questions correctly

Further explanation:

Percetages are used to calculae the success or failure in tests or exams usually.

Given

Total\ questions= 60\\The\ questions\ attempted\ correctly=42

The percentage will be calculated as follows:

Percentage\ of\ correctly\ answered\ questions=\frac{Correct\ questions}{Total\ questions}*100\\= \frac{42}{60}*100\\=70\%

She answered 70% questions correctly

Keywords: Percentage, Success rate

Learn more about percentage at:

  • brainly.com/question/9532142
  • brainly.com/question/9590016

#LearnwithBrainly

3 0
3 years ago
Read 2 more answers
There is 1⁄3 gallon of water in a 3-gallon container. What fraction of the container is filled? (There’s also a picture :). )
amm1812

Answer:

There is 1/3 gallon of water in a 3 gallon container. What fraction of the container is full? ONE-THIRD OF A GALLON DIVIDED BY 3 GALLONS EQUALS ONE-NINTH.

4 0
3 years ago
−6 = x/8+4<br> ILL GIVE BRAINLIEST❤️❤️
Lorico [155]

Answer:

2

Step-by-step explanation:

6x=4+8

6x=12x= 12/6

x=2

​

8 0
3 years ago
Do anyone know how to find a slope and graph a line of a slope
Ainat [17]

Answer:

Yes!

Step-by-step explanation:

first you need two points (x,y) (x,y). \frac{y-y}{x-x} is the formula you would follow to get the slope. Say you have (2,4) (3,-7) You would plug it into the formula and get \frac{-11}{1}. This example you can simplify it into -11. hope that kinda helps.

4 0
3 years ago
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