Topic
Q:
Graph the equation by plotting points.
\[ y+2 x=3 \]
Use the graphing tool to graph the linear equation.
Q:
4) \( \operatorname{sen}^{2} x \)
Q:
\( \leftarrow \quad \) Solve the following equation. Write the answer in terms of the natural logarithm.
\[ e^{3 x}=2 \]
Q:
Heather is building a model volcano for the science fair. To find the right ratio, she starts by
mixing small amounts of baking soda and vinegar. She finds that adding 1.5 teaspoons of
baking soda for every fluid ounce of vinegar produces the best eruption. If Heather plans to
use 0.5 cups of vinegar for her project, how many tablespoons of baking soda should she
use?
Hint: There are 3 teaspoons in 1 tablespoon. There are 8 fluid ounces in 1 cup.
Write your answer as a whole number, decimal, or simplified fraction. Do not round.
Q:
Quantos números pares existem entre os
números 157 e \( 707 ? \)
Q:
Solve the following system by the substitution method. Check the solution.
\[ \begin{array}{l}2 x+4 y=3 \\ x=9-2 y\end{array} \]
Q:
Calculez l'aire d'un cercle dont le diamètre est de 10 m.
Q:
Solve the following equation. Write the answer in terms of the natural logarithm.
\( e^{7 x}=2 \)
Q:
\#7 A set of data has correlation coefficient \( r \). For which value of \( r \) would the average magnitude of the
residuals be the smallest?
a. \( r=-0.034 \)
b. \( r=0.472 \)
c. \( r=0.908 \)
d. \( r=0.952 \)
Q:
4. Grandma's cookie recipe calls for \( 1 / 2 \) oup of oatmeal for every \( 3 / 4 \) cup of flour. How much flour
will Grandma need if she uses 2 cups of oatmeal?
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