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qwelly [4]
4 years ago
10

PLEASE HELP!!!

Mathematics
1 answer:
Goshia [24]4 years ago
8 0

Answer:

Question 1:

(A) 22.5 weeks

Question 2:

(A) 35

Step-by-step explanation:

Question 1:

Given:

The line of best fit is given as:

y=1.12x+28.78

Where,

x\to age\ in\ weeks\\\\y\to height\ in\ centimeters

Height of the puppy (y) = 54 cm

Now, plug in the value of 'y' and solve for 'x'. This gives,

54=1.12x+28.78\\\\54-28.78=1.12x\\\\25.22=1.12x\\\\x=\frac{25.22}{1.12}=22.5\ weeks

Therefore, the puppy was 22.5 weeks old when he was 54 cm tall.

Question 2:

The line of best fit is given as:

y=0.32x-20.51

Where,

x\to number\ of\ times\ at\ bat\\\\y\to number\ of\ hits

Number of times at bat (x) = 175

Now, plug in the value of 'x' and solve for 'y'. This gives,

y=0.32\times 175-20.51=35.49\approx 35

Therefore, the number of hits is 35 to the nearest whole number.

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I really need help with this one y’all!!! Please!
strojnjashka [21]

Answer:7.3 repeating

Step-by-step explanation:

First, since these are right across from each other, they are equal. So (x+16)=(4x-5)

Then you would subtract the 4x from both sides. Making the equation (-3x+16) = (-5)

Subtract the 16 from both sides making it a -3x=-22

To turn it positive, divide everything by negative 1 making the equation 3x=22

Divide 22 by 3 and you get your answer.

3 0
4 years ago
If you answer this question correctly I will answer 1 of your questions
amm1812

We can start by solving for 10-5a+(18-b). By plugging in a and b, we get

10 - 10 + (18 - 11)= 7

28 ÷ (a × 2) = 28/4 = 7

20 + b − (4 × a) = 31 - 8 = 23

49 − 43 + (a ÷ a) = 49 - 43 + 1 = 7

30 − 25 + (b − 9) = 5 + 2 = 7

50 ÷ a − (b + 20) = 25 - 31 = -6

So, 28 ÷ (a × 2), 49 − 43 + (a ÷ a), and 30 − 25 + (b − 9) will all have the same answer as 10−5a+(18−b)

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3 years ago
What is the equation of a line that passes through the points (3,3) and (-3,7)
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