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GarryVolchara [31]
3 years ago
9

5a + 4b^2 (if a = -11 and b = 3)

Mathematics
1 answer:
Degger [83]3 years ago
8 0
5(-11)+4(3)^2 = -19
The answer is -19
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A package of 30 Oreos cost $3.60. Kennedy says the unit rate is 0.12. Mason says the unit rate is 8.33. Who is right?
Alekssandra [29.7K]

Answer:

360 \div 30 = 12

Step-by-step explanation:

so Kennedy is right

8 0
2 years ago
You'll find lots of clouds over _____________ climates and practically no clouds over ___________ climates.
SVETLANKA909090 [29]

Answer:

you'll find lots of clouds over tropical climates and practically no clouds over desert clmates.

7 0
3 years ago
No one is answering i posted this question 2 times, this is my 3rd time please answer.
Dahasolnce [82]

Answer:

13

Step-by-step explanation:

First, fill in 3 boxes of the table using the given information (blue numbers on the attached table)

"Of the 32 students that have a cell phone, 19 students do not have a tablet."

The top row of the table is students who have a cell phone.  Therefore, place 19 in the box in this row that is in the "no tablet" column.

"Of the 70 students that have a tablet, 57 students do not have a cell phone."

The first column of the table is students who have a tablet.  Therefore, place 57 in the box in the 2nd row of this column.

"11 students do not have a cell phone or a tablet."

Find the "no cell phone" row and the "no tablet" column and place 11 in the box that coincides.

We can calculate the blank totals using addition (shown by green numbers on the attached table)

  • Total students with no cell phone = 57 + 11 = 68
  • Total students with no tablet = 19 + 11 = 30

To calculate the number of students who have a cell phone AND a tablet:

⇒ Total students with a cell phone <em>minus</em> students with a cell phone but no tablet

⇒ 32 - 19 = 13

4 0
2 years ago
He solution is n = –2 verified as a solution to the equation 1.4n + 2 = 2n + 3.2. What is the last line of the justification?
Nimfa-mama [501]

Answer:

-0.8=-0.8

Step-by-step explanation:

We have been given that n=-2 verified as a solution to the equation 1.4n+2=2n+3.2.

As n=-2 is the solution for our given equation, so it will satisfy our equation.

Let us substitute n=-2 is our given equation.

1.4*-2+2=2*-2+3.2

-2.8+2=-4+3.2

-0.8=-0.8

Since the value of n satisfies our equation, therefore, last line of the justification will be -0.8=-0.8.

5 0
2 years ago
Leila's fish tank has 17 liters of water in it.she plans to add 4 liters per minute until the tank has atleast 45 liters .What a
jeyben [28]

Answer:

11.25 minutes possibly

Step-by-step explanation:

1.forget the 17 liters for now

2. divide 45 & 4

3. you should get 11.25


7 0
2 years ago
Read 2 more answers
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