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olganol [36]
2 years ago
6

Help me plz these are my last points and my las try the answer i did said its wrong

Mathematics
2 answers:
irga5000 [103]2 years ago
4 0

Answer:

b=8h, not 8/h

tell me if it help

Butoxors [25]2 years ago
3 0

Answer:

i will give away free points and pls add me so i can give you points

Step-by-step explanation:

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Use the substitution methods to solve the system of equations. Choose the correct ordered pair. y=7x+8 y=x+20
krek1111 [17]

Answer:

d

Step-by-step explanation:

Solution by substitution method

y=7x+8

∴y-7x=8

and y=x+20

∴y-x=20

Suppose,

-7x+y=8→(1)

and -x+y=20→(2)

Taking equation (1), we have

-7x+y=8

⇒y=7x+8→(3)

Putting y=7x+8 in equation (2), we get

-x + 7x + 8 = 20

6x = 20-8

6x = 12

x= 12 / 6

x = 2

substitute for x in equation (3)

y = 7(x) + 8

y = 7(2) + 8

y = 22

4 0
3 years ago
The baker broke each of the cookies in half. She counted 6
densk [106]

Answer:

3

Step-by-step explanation:

6/2=3

six halves of cookies put the halves into pairs and you get 3

5 0
3 years ago
Helpppooooooopppppppp plssss
Leokris [45]

Answer:

boys + girls =  45  -------(1)

There boys 17 more than girls, boys = girls + 17  ----------(2)

substitute (2) in (1)

girls + 17 + girls = 45

2 x girls + 17 = 45

2 x  girls = 45 - 17

2 x girls = 28

girls = 14

substitute in (2): boys = girls + 17 = 14 + 17 = 31

option D

5 0
3 years ago
Read 2 more answers
What is the GCF of 16s3t, 40s5, and 68t2? 4 4s3t 8 8s3t
Gemiola [76]
4 is the only factor common among all terms
3 0
3 years ago
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A bag of oranges weighs 5 1/4 pounds. How much does 1 1/2 bags weigh?
Andreyy89

Answer:

you simplify the fractions then you cross multiply

Step-by-step explanation:

1/2 * 4/2 you multiply 1 and 4 and you get 4/4 which is equal to 1  

3 0
3 years ago
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