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Natali [406]
3 years ago
12

To rule How to find f(7) ?

Mathematics
2 answers:
givi [52]3 years ago
8 0
You would need to see the rest of the equation to plug in 7 for x. Treat it as y=equation and replace any x with 7.
svet-max [94.6K]3 years ago
4 0
1+6 this is correct hehe
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What is the output, or y-value, when you input x = -3 into the function: x² − 3x + 1
Citrus2011 [14]

Answer:

y = 19

Step by step explanation:

y = x ^{2}  - 3x + 1 \\  y = ( - 3) ^{2} - 3( - 3) + 1 \\ y = 19 \\ so \: the \: y - value \: is \: 19

5 0
3 years ago
. An investigator measuring various characteristics of a large group of athletes found that the correlation between the weight o
velikii [3]

Answer:

Step-by-step explanation:

Given that an investigator measuring various characteristics of a large group of athletes found that the correlation between the weight of an athlete and the amount of weight that athlete could lift was 0.60.

Correlation coefficient is the measure of association and a positive value implies that increase in one value causes increase in the other.

Hence out of the given options correct ones are

c) The more an athlete weights, on the average the more he weights.

d) The more an athlete can lift, on the average the more he weighs.

e) 60% of athlete's lifting ability can be attributed to his weight alone.

4 0
3 years ago
the number of cakes baked varies directly with the number of hours the caterers work. What is the ratio of cakes baked to hours
aniked [119]

The required ratio of cakes baked to hours worked = 30: 1

<u>Concept:</u>

We know that a ratio is a term in mathematics that signifies how many times one value contains the other.

<u>Given:</u> The number of cakes baked varies directly with the number of hours the caterers work.

<u>Explanation:</u>

From the given graph, it can observe that,

30 cakes are made in 1 hour. ( When we draw a vertical line from <em>x </em>= 1 to the curve, we get <em>y</em>=30 i.e. point is ( 1,30).

The required ratio of cakes baked to hours worked = 30: 1

Learn more:

brainly.com/question/24728840

5 0
3 years ago
At a concert 20% of the audience members were teenagers.If the numbers of teenagers at the concert was 360, what was the total n
puteri [66]

So we know 20% of the audience are teenagers, and there are 360 teenagers.

Therefore, 1/5 of the audience members were teenagers, and that means 1/5 of the audience members is 360.

Multiply it by 5 to get answer:

360 * 5 = 1800

The total number of audience members are 1800.

8 0
3 years ago
Read 2 more answers
10(5 - n) - 1 = 29<br><br> n = ?<br> Help!
nydimaria [60]

n = 2

distribute and simplify left side of equation

50 - 10n - 1 = 29

49 - 10n = 29 ( subtract 49 from both sides )

- 10n = 29 - 49 = - 20

n = \frac{-20}{-10} = 2



5 0
3 years ago
Read 2 more answers
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