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-BARSIC- [3]
3 years ago
9

Please help me I really need help ​

Mathematics
1 answer:
Leona [35]3 years ago
8 0

Answer:

put the first point on -1 and then put your arrow --->

Step-by-step explanation:

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Find the perimeter of the triangle. Recall that the perimeter of a figure is the distance around a figure.
Svet_ta [14]

Answer:

1 inch

Step-by-step explanation:

The perimeter is the sum of the lengths of the sides:

Perimeter = 3/23 + 9/23 + 11/23 = (3 + 9 + 11)/23 = 23/23 = 1

8 0
2 years ago
Solving equations (algebra). Thank you!
LenKa [72]

Answer:

\large\boxed{\dfrac{1}{x^2}+x^2=23}

Step-by-step explanation:

\left(\dfrac{1}{x}+x\right)^2=25\qquad\text{use}\ (a+b)^2=a^2+2ab+b^2\\\\\left(\dfrac{1}{x}\right)^2+2(x\!\!\!\!\diagup)\left(\dfrac{1}{x\!\!\!\!\diagup}\right)+x^2=25\\\\\dfrac{1}{x^2}+2+x^2=25\qquad\text{subtract 2 from both sides}\\\\\dfrac{1}{x^2}+x^2=23

5 0
3 years ago
Does the residual plot indicate that a line is a good model for predicting the height of girls from their ages? Explain.
galben [10]
A plot of residuals (vertical deviations from the regression line) shows the errors or lack of fit, so it would indicate a good fit if the residuals are small, vs. over fit if they are large. Due to age related growth short pre teen, and a plateau after age 21, I would expect a linear regression would offer estimate age 5.5 years.
8 0
3 years ago
Sam bought a new skateboard. The sales tax rate is 6%. The equation to find the total cost is where c is the cost of the skatebo
sp2606 [1]
The independent variable is the cost of the skateboard, c.

The dependent variable would be the total cost, t.

The best way to understand this is that the cost of the skateboard from the company is not going to change based on a sales tax rate., But the overall total cost could change depending on what the sales tax rates are.

The total cost would be dependent upon the sales tax rate.
7 0
3 years ago
Why is the percent increase from 45 to 75 not equal to the percent decrease from 75 to 45? Select three options
Korvikt [17]

Answer:

where are the three options

Step-by-step explanation:

6 0
3 years ago
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