MATHEMATICS MIDDLE SCHOOL

The base length of a triangle is 12 feet and the height is 6 feet. What is the area of the triangle?CHOICES

10 square feet

12 square feet

18 square feet

36 square feet

Answers

Answer 1
Answer: The formula to find the area of a triangle is:

\sf~A=(1)/(2)bh

Plug in what we know:

\sf~A=(1)/(2)(12)(6)

Multiply:

\sf~A=\boxed{\sf36}
Answer 2
Answer: The area of a triangle is calculated by 1/2bh
(1)/(2)(6)(12)=36 sq ft

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25.5 is what percent of 85
A repairperson buys a new heavy-duty electric drill with installment payments. The initial cost of the drill is $300. The repairperson makes six payments. The total payments for the drill add up to $324. How much interest does the repairperson pay?
3. Triangle ABC has angle measures as shown.Point A of the Triangle = XPoint B of the Triangle = ( x+2)Point C of the Triangle = ( 6x+10)(a) What is the value of x? Show your work.(b) What is the measure of angle C? Show your work.

Help! I have no Idea what is the answer

Answers

the answer is B. 1,376

the mean is the average of a group of numbers.
to get the mean you have to add all of the numbers together and divide them into how ever many numbers there are in the group.
i hope i helped

A number multiplied by itself, then added to five

Answers

Final answer:

The phrase 'a number multiplied by itself, then added to five' is describing an algebraic operation. This operation involves squaring a number (multiplying it by itself), and then adding five to result. The equation for this operation can be represented as n² + 5.

Explanation:

The subject of this question is in the field of mathematics, specifically algebra. The phrase 'a number multiplied by itself, then added to five' is describing a basic mathematical operation involving squares. When a number is multiplied by itself, this is referred to as 'squaring' the number. It is such named because it's akin to creating a square using sides of equal length. In algebra, this would be expressed as n², where n represents any number.

To add five to the square of a number, an equation might look something like n² + 5. This equation denotes that whatever number n is, it should be squared, and then five should be added to the result. For example, if n=2, the equation would calculate as follows: 2² + 5 = 4 + 5 = 9.

Learn more about Squaring Numbers here:

brainly.com/question/28156082

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I really don't know where to go with this. I just need help with it fast. because idk what I'm doing I'm giving max points.

Answers

y=ax+b
a... slope
b... interception on the line y

you get the equation y=-1/2 *x + 12

This is what i would put Because they have given you slope and y intercept .

Equation of line format

Y=mx+b


Where slope is "m" : -1/2

Where Y-intercept is "b": 12


Therefore,


Y= -1/2x+12

Harriet has some five dollar bills and some one dollar bills She has 20 bills. The value of the bills is $72 write and solve a system of equations using elimination to find out how many of each bill she has.Show your work please. should equal 7 one dollar bills and 13 five dollar bills. Also use ALGEBRA.

Answers

so let's say
x=number of five dollare bills
y=number of 1 dolar bills

20 bills total
x+y=20

totla is 72 monies
72=5 times x+1 times y=5x+1y=5x+y
solve

x+y=20
5x+y=72
from here you could do 2 things: go to option 1 (longer) or option 2 (shorter)

1.

 x+y=20
subtract x from both sides
y=20-x

5x+y=72
subtract 5x from boths ides
y=72-5x
subsitute

y=20-x=y=72-5x
20-x=72-5x
add 5x to both sides
20+4x=72
subtract 20 from both sides
4x=52
divide both sides by 4
x=13

subsitute
x+y=20
13+y=20
subtract 13
y=7





2.


 another way is when you got 5x+y=72 and x+y=20
you negative the second equaiton and add to th efirst
I know it sounds like voodo at first but it works
-(x+y=20)=-x-y=-20
add


5x+y=72
-x-y=-20 +
4x+0y=52
4x=52
divide both sides by 4
x=13

subsitute
x+y=20
13+y=20
subtract 13
y=7

One-third times the difference of a number and 5 is Which equation best shows this? One possible first step in solving the equation in the above problem is to . The value of the number is .

Answers

Let X be the number:

The difference between a number and 5 is subtraction, which would be written as X-5

Then for 1/3 that number multiply the result by 1/3.

The equation would be 1/3(X-5)

Answer:

the value of x is 3

Step-by-step explanation:

What is 2/5 percent equal to

Answers

2/5 percent is equal to 0.004 .

2/5 is equal to 0.4 .
2/5 percent equals 40,you can divide 2 by 5 and get .4 and then move the decimalover 2 places and get 40%
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