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zlopas [31]
3 years ago
12

F(x)=x^2+7x-30 Find the intercepts, domain and range

Mathematics
1 answer:
Zigmanuir [339]3 years ago
5 0

Answer:

domain (-inf, +inf)

range [-30, +inf)

y-int = -30

x-int = -10, 3

Step-by-step explanation:

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an aquarium has a ratio of 5 rays for every 3 sharks. What percent of this grouping of animals are rays
sashaice [31]

Answer:

62.5%

Step-by-step explanation:

Total number of animals in a group= 5+3=8 animals

Number of rays=5

Since we only have 5 rays out of the total 8, to express the number of rays as a percentage of the total animals, we divide the number of rays by the total animals then multiply by 100 to express in percentage as needed in the question

Percentage of rays=\frac {5}{8}\times 100=62.5

Therefore, the percentage is 62.5%

6 0
3 years ago
What is the answer ? i have to match it
jek_recluse [69]

Answer:

  see below

Step-by-step explanation:

As with many multiple-choice questions, the appropriate choices can often be determined with a simple test. Here, you only need to look at the values of the constants. (Those are ringed in blue.)

4 0
3 years ago
Look at pic 10 pts will mark brainilest
Gnoma [55]

Answer:

x/4 = 14

Bottom right one

Step-by-step explanation:

x/4 = 14

Bottom right one

There were 4 total and each payed 13.

7 0
3 years ago
Read 2 more answers
PLEASE HELP!!
Alja [10]

Answer:

B choice

Step-by-step explanation:

y = mx + b

where m = slope and b = y-intercept.

The value of m is 3/4. That means slope is 3/4. Changing 3/4 to - 3/4 will make the slope become negative. Therefore the answer is B.

4 0
3 years ago
Read 2 more answers
Jonathan has a collection of 400 marbles. Blue marbles make up 17% percent of his collection.
raketka [301]
So percent means parts out of 100 so 17%=17/100
400 marbles
17% of 400=blue
<span>'of' can be translated to multiply </span>
17%=17/100
17/100 ties 400=6800/100=68
<span>he has 68 blue marbles.</span>
5 0
3 years ago
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