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romanna [79]
3 years ago
8

Simplify 3 - (2-8). ??

Mathematics
2 answers:
torisob [31]3 years ago
7 0
Your answer should be nine
hoa [83]3 years ago
6 0

3 - (2 - 8)

3 - (-6)

Your answer is 9!

⭐ Please consider brainliest! ⭐

✉️ If any further questions, inbox me! ✉️

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How do you solve proportions with ratios with a letter
Leona [35]
SORRY if its too late. 

Proportions with variables: 

let's look at an example from my homework hehe 

.3:4=9:y 
First, you change the ratios to fractions. 
.3/4=9/y. 
4 times 9 is 36. I multiplied the numerator of 9/y and the denominator of .3/4. 
You also do this with the other numerators and denominators. .3 times y= 36. (Both equations have to equal the same number) if you don't know the answer, just do 36 divided by .3. The answer is 120. 
y=120



5 0
3 years ago
A pizza restaurant is located in a town with a population density of 1000 people per square mile. What delivery radius will allo
erastova [34]

The delivery radius which will allow the pizza restaurant to deliver to approximately 20,000 people is 2. 5 miles

<h3>What is population density?</h3>

Population density can be defined as the number of individuals within a species in a specific geographic area.

The formula for population density is expressed as;

Population density = Number of people/Land area

Where;

  • Number of people = 20000
  • Population density = 1000

Land area = 20000/ 1000

Land area = 20 square miles

But ;

Area = πr²

Substitute the value of area in the formula

20 = 3. 142 × r²

r² = 20/ 3. 142

r² = 6. 37

r  = √6. 37

r = 2. 5 miles

Thus, the delivery radius which will allow the pizza restaurant to deliver to approximately 20,000 people is 2. 5 miles

Learn more about population density here:

brainly.com/question/13902749

#SPJ1

4 0
1 year ago
A particular type of bacteria grows at a rate of 21 % per day. If my hyena got infected with 2300 bacterium when his leg was cut
Musya8 [376]
2300*1.21^10
= 15,473
8 0
3 years ago
What is the value of x when solving the Equation 2x + 1 = -x + 4 Using the Algebra tiles
Tema [17]

Answer:

1

Step-by-step explanation:

Let's solve your equation step-by-step.

2x+1=−x+4

Step 1: Add x to both sides.

2x+1+x=−x+4+x

3x+1=4

Step 2: Subtract 1 from both sides.

3x+1−1=4−1

3x=3

Step 3: Divide both sides by 3.

3x

3

=

3

3

x=1

BRAINLIEST?

7 0
3 years ago
Planes A and B intersect in line s. If point V is a point on line s, then it lies on _____.
eduard
The answer is : Both plane A and B.
3 0
4 years ago
Read 2 more answers
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