How to solve a-2+3=-

Answers

Answer 1
Answer: a-2+3= -2
⇒ a+ (-2+3)= -2 (combine like terms)
⇒ a+ 1= -2
⇒ a= -2-1
⇒ a= -3

Final answer: a=-3~

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Find the area of the quadrilateral with vertices A(0,0) B(2,-3) C(4,0) D(0,4).***must show step by step guide on how you got your answer(s).***

Answers

Area of a triangle = ½ * base * height

Area of blue triangle = ½ * 4 * 4

Area of blue triangle = 8

Area of red triangle = ½ * 4 * 3

Area of red triangle = 6

TOTAL AREA = 8 + 6 = 14

Michelle has eight pencils Michael has nine pencils Less how many pencils does Michelle have

Answers

Answer:

-1

Step-by-step explanation:

Because 8-9=-1

Each journal weighs about 280 grams what is the total weight of three journals

Answers

If each journal weighs about 280 grams what will be  the total weight of three journals is: 840 grams

Using this formula

Total weight=Number of journal × Weight of each journal

Where:

Number of journal=3

Weight of each journal=280 grams

Let plug in the formula

Total weight=3×280 grams

Total weight=840 grams

Inconclusion if each journal weighs about 280 grams what will be  the total weight of three journals is: 840 grams

Learn more here:

brainly.com/question/786878

Well, to start this off- you have three journals. Each one weighs 380 grams. To solve this you have to multiply the weight of each journal with the amount of journals you have. And your answer should be 840

HELP ASAP!!! DUE SOON!!!
7 7/8 - 3 9/16​

Answers

Answer:

4 5/16

Step-by-step explanation:

7 7/8 - 3 9/16

7 14/16 - 3 9/16

4 5/16

Answer:

7.1875

Step-by-step explanation:

778−3916

=778−3916

=778+−3916

=15416+−3916

=154+−3916

=11516(Decimal: 7.1875)

What is the ninth term of the arithmetic sequence defined by the rule below?A(n)= -14+(n-1)(2)

Answers

We need to just plug in n = 9 into the rule to find out the 9th term.

A(9)= -14+(9-1)(2)

Subtract 9-1
A(9) = -14+(8)(2)

Multiply 8*2
A(9) = -14+16

Add -14+16, which is the same as 16-14
A(9) = 2

The 9th term is 2.



A(9) = -14 + (9-1)(2)
A(9) = -14 + (8)(2)
A(9) = -14 + 16
A(9) = 16 - 14

A(9) = 2

Explain how you can use a number line to show that 5/8 is greater than 3/8

Answers

For this case, what you must do is place both numbers in a number line.

The largest number will be the number that is located farthest from the number 0.

We observe that the number that is furthest from zero is 5/8.

Therefore, it is fulfilled:

Answer:

See attached image to see the numeric line.

Place both numbers on the number line. The numbers are, in this order, 0, 1/8, 1/4, 3/8, 1/2, 5/8, 3/4, 7/8 and 1. You see, 5/8 comes after 3/8, so 5/8 is greater.