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trasher [3.6K]
4 years ago
6

I need help, giving brainliest.

Mathematics
2 answers:
storchak [24]4 years ago
5 0

Answer:

k

Step-by-step explanation:

Nadusha1986 [10]4 years ago
3 0

Answer:

1) C

Step-by-step explanation:

I don't think any of the answer choice below no. 2 is correct

no.2) -22/-31

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Use the line of best fit to estimate the French score for a student who got 65 in maths.
just olya [345]

Using a linear function, it is found that the estimated French score is of 38.1875.

A <em>linear function</em> has the following format:

y = mx + b

In which:

  • m is the slope.
  • b is the y-intercept.

Searching the problem on the internet, it is found that two points of the line of best-fit are: (10,65) and (90,26).

The slope is given by <u>change in the output divided by the change in the input</u>, hence:

m = \frac{26 - 65}{90 - 10} = -0.4875

Then:

y = -0.4875x + b

Point (10,65) means that when x = 10, y = 65, and this is used to find b.

y = -0.4875x + b

65 = -0.4875(10) + b

b = 69.875

Hence:

y = -0.4875x + 69.875

For a student who got 65 in math, x = 65, and hence:

y = -0.4875(65) + 69.875 = 38.1875

The estimated French score is of 38.1875.

For more on linear functions, you can check brainly.com/question/16302622

7 0
3 years ago
Factor x2+12x+35 , I appreciate all the kind generous help I can receive
ANTONII [103]
X2+12x+35 should be written as  <span>x^2+12x+35, where "^"
 denotes exponentiation.

Since the coefficient of the x^2 term is 1, we can focus on 35, finding its factors.  Note that 35 = 1*35, 5*7.  Also note that 5+7 = 12.

Thus, </span>x^2+12x+35 can be re-written as (x+5)(x+7).  As a check, multiply 5 and 7; you get 35, which matches the original  <span>x^2+12x+35.  Then add 5x to 7x, obtaining 12x, which also matches.</span>
4 0
3 years ago
Read 2 more answers
G varies inversely with the square
vivado [14]

Answer:;4.4

Step-by-step explanation: Since it varies inversely we know G times H squared is equal to some constant, k. So we have G*H*H=k. We are told that when H=4, G=.25. Plugging this in, we have .25*4*4=k. This simplifies to 4=k. Our new equation is G*H*H=4. Now, we want to solve for G when H=.3. We plug it in. G*.3*.3=4 => G*.09=4. G=4/.09. This means G is approximately 44.4.

5 0
3 years ago
Read 2 more answers
HELP PLEASE! Will give out brainliest
charle [14.2K]

Answer:

i would say b but not sure

Step-by-step explanation:

hope this helps let me know if i got it wrong

4 0
3 years ago
What is the value of x in the equation 6 ( x+5 ) =3 (x -14) ? A.-1 B. -4 C.-6 D. -24
siniylev [52]

Answer:

D) x=  -24

Step-by-step explanation:

4 0
3 years ago
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