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antiseptic1488 [7]
3 years ago
13

HELP ASAPPP

Mathematics
2 answers:
kodGreya [7K]3 years ago
3 0

Answer:

The student is incorrect.

Step-by-step explanation:

When you add the absolute value lines around a negative number, it becomes a positive number. If you add them to a positive number, it stays positive. Since the student added them to -9, the number would become 9 which if greater than 4.

Shtirlitz [24]3 years ago
3 0

Answer:Sample Response: No, |–9| is greater than |4|. Absolute value is the distance from 0. –9 is 9 units from 0, and 4 is 4 units from zero. –9 is a greater distance from 0 than 4, so it has a greater absolute value.

Step-by-step explanation:

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Find the unit rate.<br> 180 miles in 3 hours<br> The unit rate is<br> miles per hour.<br> Pls hurry
Natali [406]

Answer:

60 miles per hour

Step-by-step explanation:

Consider the structure of the wording: "miles per hour"

The word "per" means for each. There is you clue.

Each is, one of and one of is unit measurement

So the controlling element in this question is that you need to convert the 3 hours into 1 hour.

Using ratio properties

180

3

=

x

miles

1

hour

We need to 'force' the left hand side into the same form as the right. That is: we need to convert the denominator into 1 and see what happens to the numerator.

⇒

180

÷

3

3

÷

3

=

x

1

⇒

60

1

=

x

1

So the unit rate of speed is  

60

miles  

per

−−−  

hour

4 0
2 years ago
Which is smaller,two-thirds of 27 or two-fifths of 20?
shtirl [24]
" of " means multiply

2/3(27) = 54/3 = 18
2/5(20) = 40/5 = 8

so 2/5 of 20 is smaller
7 0
3 years ago
Alan wants to bake blueberry muffins and bran muffins for the school bake sale. For a tray of blueberry muffins,
Novay_Z [31]

Answer:

A. 1/3x + 1/2y <= 4

   2x + y <= 12

   x >= 0

   y >= 0

Step-by-step explanation:

3 0
3 years ago
Read 2 more answers
3.) Write an inequality for the phrase "two more than three times a number is at
stiks02 [169]

Answer:

3x + 2 ≤ 53

Step-by-step explanation:

"2 more than" means that there will be a + 2 in the equation. "3 times a number" means that 3 is multiplied by an unknown number which can be represented by a variable such as x. "At most" means less than or equal to, since the number cannot be greater than.

So generally, you might want to write the equation as 2 + 3x ≤ 53, but 2 + 3x is not in y = mx + b form. Basically, you need to write it as 3x + 2 ≤ 53 because that's how math works.

4 0
3 years ago
Help me solve this equation <br>2/3 + 4 equals -2
gizmo_the_mogwai [7]

Answer:


Step-by-step explanation:so you want to start by putting 2/3+4 together to get 4 2/3 and then divide it by -2


5 0
3 years ago
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