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strojnjashka [21]
3 years ago
14

1. -7-(-2) *

Mathematics
1 answer:
Morgarella [4.7K]3 years ago
8 0
1. -7-(-2)
= -7+2= -5

2. 5-(-3)
= 5+3=8

3. -6-4
= -6+(-4)= -10

4. -3-(-3)
= -3+3= 0
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Starting on Day 1 with 1 jumping jack, Kiera doubles the number of jumping jacks she does every day. How many jumping jacks will
kolbaska11 [484]

Answer:

The answer is 512

Day 1:1

Day 2:2

Day 3:4

Day 4:8

Day 5:16

Day 6:32

Day 7:64

Day 8:128

Day 9:256

Day 10:512

5 0
3 years ago
What does y equal when the equation 4y-1=7
asambeis [7]
4y - 1 = 7    / + 1 ;
4y = 8         /÷4 ;
y = 2 ;
7 0
3 years ago
Liam Had 250. Then, he and his classmate buy present for their teacher, evenly splitting the P cost among the 24 of them. How mu
tamaranim1 [39]
If it was just the splitting It would be
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8 0
3 years ago
(6x3 + 3x² + 3) + (2x - 5x + 1)<br> the sum is?
laiz [17]
<h2>Answer:</h2><h2><em><u>8x^3 + 3x^2 - 5x + 4 is the answer.</u></em></h2>

Step-by-step explanation:

(6x^3 + 3x² + 3) + (2x^3 - 5x + 1)

6x^3 + 2x^3 = 8x^3

3x^2 + 0 = 3x^2

-5x + 0 = -5x

3 + 1 = 4

8x^3 + 3x^2 - 5x + 4 is the answer because you have to put all the terms that were solved together. This will lead to 8x^3 + 3x^2 - 5x + 4. And, standard form is ax^2 + bx + c. So, 8x^3 + 3x^2 - 5x + 4 is the answer.

<em><u>8x^3 + 3x^2 - 5x + 4</u></em>

<em><u></u></em>

Hope this helped,

Kavitha

8 0
3 years ago
Read 2 more answers
A hotel with 200 rooms has two types of rooms, and when it is completely booked, the hotel earns $18,250. Double rooms rent for
Mkey [24]

A) S + D = 200

B) 85 S + 110 D = 18,250   we multiply A) by -85

A) -85 S -85 D = -17,000  then we add to B) and get

25 D = 1,150

Double Bed Rooms = 46

Single Bed Rooma = 154

*************************************************

Double Check

46 * 110 = 5,060   154 * 85 = 13,090

Total = 18,150


3 0
3 years ago
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