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lyudmila [28]
3 years ago
12

PLEASE HELP!! MEEEEE 1

Mathematics
1 answer:
mestny [16]3 years ago
8 0

Answer:

(1,2) (3,2) ( 5,2)

Step-by-step explanation:

Each input value can only go to one output value

The only one that has each input only going to one output is (1,2) (3,2) ( 5,2)

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in a fireplace, about 3/4 of an 18-inch log will burn in 1/3 of an hour. How many hours will it take to burn 2 1/2 logs?
olga_2 [115]
3/4 =1/3 hour
how long to burn 2 and 1/2

3/4=1/3hour
1/4=1/9 hour
4/4=1=4/9hour
1/2=2/4
1/2=2/9hour
 
2 and 1/2=1+1+1/2=4/9+4/9+2/9=10/9=9/9+1/9=1+1/9=1 and 1/9



answer is C. 1 and 1/9 hour
3 0
4 years ago
7. In an orchestra, the ratio of trombones to violas is 4:6. There are 9 violas. Write and solve a proportion to
yaroslaw [1]

Answer: 6 trombones

Step-by-step explanation:

We can set up a proportion.

Let x be the number of trombones there are.

\frac{4 trombones}{6violas} = \frac{x trombones}{9 violas}

We can cross multiply:

4*9 = 6x

6x = 36

Divide both sides by 6:

x = 6

8 0
3 years ago
The oil tank in your car is leaking at a rate of 1.2 oz per mile driven you drive 15 miles over to your grandma house.how many c
sukhopar [10]

Multiply the rate per mile by the miles and the appropriate conversion factor.

\dfrac{1.2\,\text{oz}}{1\,\text{mi}}\cdot (15\,\text{mi})\times \dfrac{1\,\text{cup}}{8\,\text{oz}}=\dfrac{1.2\cdot 15}{8}\,\text{cup}=2.25\,\text{cup}

The car leaked 2.25 cups of oil on the trip to grandma's house.

4 0
3 years ago
9x-y= 29 and 9x + y = -29
ahrayia [7]

Answer:

(0,-29) x = 0, y = -29

Step-by-step explanation:

6 0
3 years ago
Read 2 more answers
0.52+0.15=0.52+x????
pychu [463]
What I did is to add 0.52
+0.15
then try to find what could equal the same amount with 0.52
4 0
3 years ago
Read 2 more answers
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