MATHEMATICS MIDDLE SCHOOL

1) 3 - 7 x 5 + 2 x 4=2) 7 - 2 x 5 + 9 x 3=

3) 2 - 8x + 3x When x = 5

4) 4 - 2x + 5x when x= 4

5) z divided 2 - 4z + 3(z-3) when z =8

Answers

Answer 1
Answer: 1) -24

2) 24

3) -23

4) 16

5) -8/15

Please give me brainliest answer. I need it to level up!
Answer 2
Answer:

GEMDAS!

1:

3 - 7 x 5 + 2 x 4

3 - 35 + 2 x 4

3 - 35 + 8

3 - 27

-24


2:

7 - 2 x 5 + 9 x 3

7 - 10 + 9 x 3

7 - 10 + 27

7 + 17

24


3:

2 - 8x + 3x When x = 5

2 - 8(5) + 3(5)

2 - 40 + 15

2 - 25

-23


4:

4 - 2x + 5x when x= 4

4 - 2(4) + 5(4)

4 - 8 + 20

4 + 12

16


5:

z ÷ 2 - 4z + 3(z - 3) when z = 8

8 ÷ 2 - 4(8) + 3(8 - 3)

8 ÷ 2 - 32 + 24 - 9

4 - 32 + 24 - 9

4 - 8 - 9

-13


I might've did #5 incorrect.... Really really sorry...

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**PLEASE HELP ME ASAP**1. Akira earns $8 each day she cares for her neighbor's dog. Write an equation to represent the relationship between the amount of money Akira earns, m, and the number of days, d, that she cares for the dog. How much will Akira earn if she cares for the dog for 5 days?
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Answers

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The Appalachian Trial is a 2155 mile hiking trail in the eastern United States. You plan to hike the section of the trail that is in New Jersey at a rate of 9 miles per day. If the hike will take you eight days, what is the length of the trail in New Jersey?I WOULD REALLY APPRECIATE THE ANSWER WITH HOW TO
DO IT THANK YOUUU!!!!

Answers

The trail is 72 miles long...9×8=72

Answer: 72


Step-by-step explanation:

You take 9 times 8 and you get 72. You do this because you are hiking nine miles a day and you are hiking for eight days

The exact value of cos 13pi/8 is

Answers

Answer:

sqt root 2-sqt root 2/4

Step-by-step explanation:

Answer:

square root of 2- square root of 2 all over 4

Step-by-step explanation:

Glenna says that height of her house is 1 yard. is her claim reasonable?

Answers

no because 1 yard is three feet and I'm taller that that. So I'm sure that her house can't be shorter than me

PLEASE HELP I COULD REALLY REALLY USE IT

Answers

1. 10+24-:(7+1)
10+24-:(8)
10+3
13
2. 1+8*2-6
1+16-6
16-6
10
3.6(3+6)-5^2
6(3+6)-25
6(9)-25
54-25
29
4. (15-5)*2/5-1
10*2/5-1
20/5-1
20/4
5
5. 2*5+(1+2+6)x5
2*5+9*5
10+9*5
10+45
55
6. 4-(8-6)/2    +6+6
4-(2)/2 +6+6
2/2 +6+6
1+6+6
13
Hi. I took a glance at your paper and I say you should use PEMDAS. Follow that and this should be a lot easier. Or you just take the anwsers from above.

a pattern calls for 2 1/4 yards of material a day 1 1/4 yards of lining. How much total fabric is needed?

Answers

the total number of fabric need is 3 and 1/2 because 2 1/4 and 1 1/4 equals 3 1/2.
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