3 years ago

What is the smallest whole number that will round to 80

Mathematics

1 answer:

Oxana [17]3 years ago

5 0

2? I think so if not I'm sorry

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A student bought a juice drink for $2 and a sandwich the total was &6.50 how much was the sandwich

mel-nik [20]

Answer:

Step-by-step explanation:

you have to minus 6.50 by 2 and you get the answer the anwser is 4.5

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2 years ago

4 times a number is decreased by 9, the result is the same as when 15 is added to twice the number. find the number

igor_vitrenko [27]

Answer:

Step-by-step explanation:

4*x-9=2x+15

4x-9=2x+15

-2x -2x

2x-9=15

2x=24

x=12

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2 years ago

Can you help with number 10 please?

Shalnov [3]

Answer: 7 Per Plain wrapping paper, and 8 Per Shiny wrapping paper

Hope this helps :)

6 0

3 years ago

Read 2 more answers

Quadrilateral ABCD has vertices A(1,0) B(5,0) C (7,2) D(3,2). Use slope to prove that ABCD is a parallelogram.

Galina-37 [17]

Answer:

$AD \parallel BC$

$AB \parallel CD$

Step-by-step explanation:

The vertices of quadrilateral ABCD are A(1,0) B(5,0) C (7,2) D(3,2).

The slope of side AB is

$M_{AB}=\frac{0-0}{5-1} =\frac{0}{4}=0$

The slope of side BC is

$M_{BC}=\frac{2-0}{7-5} =\frac{2}{2}=1$

The slope of side CD is

$M_{CD}=\frac{2-2}{3-7} =\frac{0}{-4}=0$

The slope of AD is

$M_{AD}=\frac{2-0}{3-1} =\frac{2}{2}=1$

$AD \parallel BC$

$AB \parallel CD$

We see that the opposite sides of the quadrilateral ABCD are equal.

Hence the quadrilateral is a parallelogram

4 0

2 years ago

Easy only shapes there might be multiple answers but it could only be 1 answer

Pavel [41]

Answer:

I think this one would be none of the above

5 0

2 years ago