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Alex Ar [27]
3 years ago
12

What is the domain and range of the set of order pairs? (7,3),(-2,-2),(4,1),(-9,0),(0,7)

Mathematics
1 answer:
erastovalidia [21]3 years ago
5 0

Answer:

Domain {7,-2,4,-9,0} Range {3,-2,1,0,7}

Step-by-step explanation:

Just remember that domain is the x values and the range is the y values.

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Gabriel is making a mixer of compost and soil to use for a special plant he wants his final mix to be 2 parts compost to 8 parts
wlad13 [49]

Answer:

Gabriel should use 2.4 kilograms of the compost.

Step-by-step explanation:

Here, the ratio of Compost : Potting Soil  = 2 : 8

Also, total weight of the mix = 12 kg

Let us assume the common factor in the ratio  = m

So, the amount of compost used in the mix = 2 x m = 2m

Also, the amount of Potting soil used in the mix = 8 x m = 8m

Weight of Compost + Weight of potting soil = 12 kg

⇒ 2m + 8 m = 12

or, 10 m = 12

⇒ m = 12/ 10 = 1.2   , or m = 1.2

So, now the weight of the compost used = 2 m = 2 x 1.2 = 2. 4 kg

And the weight of potting soil used = 8 m = 8 x 1.2  = 9 . 6 kg

Hence, Gabriel should use 2.4 kilograms of the compost.

5 0
3 years ago
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Determine the values of a,c,b for the quadratic equation x²-8x+15
Zina [86]

Answer: a= 1 b=-8 c=15

Step-by-step explanation:

A is the number before x^{2}

B is the number (including the sign) before X

c is the number without a variable

6 0
3 years ago
Frederic worked 46 hours last week. His hourly rate is $8.50. Federic’s gross pay for last week was $
zepelin [54]

Answer:

391

Step-by-step explanation:

8.5x46 = 391

7 0
3 years ago
Plz help me with my work​
prohojiy [21]

Answer:

the answer is B

Step-by-step explanation:

5 0
3 years ago
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Find the length of the midsegment.
Karo-lina-s [1.5K]
It would be 10 because it goes from 12-10-8
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