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adoni [48]
2 years ago
9

Mr. Mutler posts his students' artwork on a bulletin board.

Mathematics
1 answer:
Jlenok [28]2 years ago
8 0
The length could be 5 and width 3. That would equal 15
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PLEASE HELP THESE ARE MULTI STEP EQUATIONS!!!!!!!!!
dusya [7]

Answer:

1.-3

2.4

3.3

4. -4

5. -4

6.3

7. -19/9

8. -3

9.0

10. -2

Step-by-step explanation:

7 0
3 years ago
What is cos 45°?<br><br>A. 1<br>B. 1/sqrt of 2
Damm [24]
Cos 45 is option B! :)
8 0
3 years ago
How do you solve 3 1/4- 1 7/8 step by step?
Vilka [71]

Answer:

1 3/8.

Step-by-step explanation:

3 1/4 - 1 7/8

First convert to improper fractions:

3 1/4 = (3*4) + 1 / 4 =  13/4.

1 7/8 = (1 *8)+7 / 8 = 15/8. So we have:

13/4 - 15/8

The Lowest Common Multiple of 4 and 8 is 8 so we convert 13/4 to eighth's

13 / 4 = 13*2 / 4 *2 = 26/8

Finally: we have

26/8 - 15/8 = (26 - 15) /8

= 11 /8

= 1 3/8 (answer)

4 0
3 years ago
HELP When does expanding and simplifying a(b + c) result in a positive value for ac?
Reil [10]

Answer:

When c and a are positive or both are negative

Step-by-step explanation:

negative times negative equals positive so if a was negative and c was negative -a*-c= ac

Of course positive times positive equals negative so if a and c were positive we could do

a*c= ac

Hope I could help !

7 0
2 years ago
Mary Steiner purchased school supplies at Office Emporium for $97.62. She then purchased a dictionary for $22.95 and a CD for $1
slamgirl [31]

Answer:

8.79 + .67 = 9.46 total tax

Step-by-step explanation:

97.62 + 22.95 + 14.78 = 135.35

135.35 * .065 = 8.79 state

135.35 * .005 = .67 county

8.79 + .67 = 9.46 total tax

7 0
3 years ago
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