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Mice21 [21]
4 years ago
10

Larry factored 9x2 + 24 as 9 (x2 - 2w + 24 what was the error

Mathematics
1 answer:
Brums [2.3K]4 years ago
5 0

Answer:

He added an unnecessary w and forgot to factor the 2

Step-by-step explanation:

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PLS HELP HURRY!!Its ten points​
Taya2010 [7]

Answer:

<u>12in long</u> and <u>10in wide</u>

Step-by-step explanation:

If he were to trim the edges of the photographs to 12\frac{1}{2} and 10\frac{1}{2}, the edges of the photographs from Russ's vacation would be too long and wide to fit inside of the photo album.

If you convert the fractions into decimals, you can easily discern that the vacation photos would be too large to fit inside of the photo album.

Photo Album:

12\frac{1}{8} = 12.1 inches •Original

10\frac{1}{8} = 10.1 inches •Original

• Too large:

12\frac{1}{2} = 12.5 inches > 12.1 - 12.5 = -0.4 •Too large

10\frac{1}{2} = 10.5 inches > 10.1 - 10.5 = -0.4 •Too large

• Just right:

10 = 10 inches > 10.1 - 10 = 0.1 •Space left

12 = 12 inches > 12.1 - 12 = 0.1 •Space left

8 0
3 years ago
There are 144 leaves on a tree outside of school. Each week the tree loses 8 leaves. How many leaves will be remaining on the tr
olga_2 [115]

Answer:

96

Step-by-step explanation:

Day 1: 144-8= 136

Day 2: 136-8= 128

Day 3: 128-8= 120

Day 4: 120-8= 112

Day 5: 112-8= 104

Day 6: 104-8=96

4 0
4 years ago
2. Find f(-1).<br> f(x) = x2-4x+2<br> X+7<br> Round your answer to the nearest hundredth.
natka813 [3]

Step-by-step explanation:

f(x)=\dfrac{x^2-4x+2}{x+7}\\\\f(-1)=\text{put}\ x=-1\ \text{to}\ f(x):\\\\f(-1)=\dfrac{(-1)^2-4(-1)+2}{-1+7}=\dfrac{1+4+2}{6}=\dfrac{7}{6}

6 0
3 years ago
Help me with these please!!
Len [333]
<span>y = 0</span><span> for the </span>x-intercept, so<span>
2х - 5*0 = 60
2x = 60
x = 60/2 = 30
(30, 0) 

</span><span>x = 0</span><span> for the </span>y<span>-intercept, so:</span>
2*0 - 5x = 60
-5x = 60
5x = -60
x = -30/5 = -12  
(0, -12)

Answer is a) (0, -12)(30, 0)
4 0
3 years ago
Read 2 more answers
Use the regression line for the data in the scatterplot to answer the question. On average, how many more goals will a player sc
kari74 [83]

Answer:

A. 1/2 of a goal

Step-by-step explanation:

Hello!

Given the options:

A. 1/2 of a goal

B. 3/4of a goal

C. 1 goal

D. 4/3 goals

In a linear regression analysis the interpretation of the slope is:

> The modification of the average of Y when X increases one unit.

Given the variables

Y: Goals scored in the tournament.

X: Hours of training.

To calculate the slope, you have to use the y-intercept and choose two pairs of (Y;X) values that correspond to a value on the line, for example (1;1.5) and (2;1.5).

You can calculate the slope as b= ΔY/ΔX

b= \frac{Y_2-Y_1}{X_2-X_1}= \frac{1.5-1}{1-0} = \frac{0.5}{1}= \frac{1}{2}

1st value (X₁;Y₁)= (0;1)

2nd value (X₂Y₂)= (1;1.5)

So the average goals a player scores for every additional hour of practice is 1/2.

I hope this helps!

4 0
3 years ago
Read 2 more answers
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