Tema
Q:
Find the average of \( \frac{1}{5} \) and \( \frac{1}{4} \)
Q:
1. Complete a figura abaino com os nomes das camadas da terfa:
Q:
Find \( (8 x+9)+(-6 x-2) \)
Q:
The brain mass of a fetus can be estimated using the total mass of the fetus by the function \( b=0.22 \mathrm{~m}^{0.87} \), where m is the mass of the fetus (in grams) and b is the brain ma:
grams). Suppose the brain mass of a \( 21-\mathrm{g} \) fetus is changing at a rate of 0.26 g per day. Use this to estimate the rate of change of the total mass of the fetus, \( \frac{\mathrm{dm}}{\mathrm{dt}} \).
\( \frac{\mathrm{dm}}{\mathrm{dt}}=\square \mathrm{g} \) per day
(Round to five decimal places as needed.)
Q:
b) \( \left(-\frac{5}{12}\right) \cdot \frac{24}{15}-\left(-\frac{13}{6}\right)+\left(\frac{2}{9}\right)^{-2}= \)
Q:
\( d y ( d x - ( 1 - x ) y ^ { 2 } = ( 2 x - 1 ) y - x \)
Q:
5. \( \frac{\sin \theta}{\cos \theta}= \) ?
5. \( \sin ^{2} \theta+\cos ^{2} \theta= \) ?
Q:
Solve for \( z:-6 z \leq 54 \)
\( \begin{array}{l}z=-9 \\ 0 z \leq-9 \\ 0 z \geq 9 \\ 0 z \geq-9\end{array} \)
Q:
Audrey has \( \$ 440 \) to spend at a bicycle store for some new gear and biking outfits. Assume all
prices listed include tax.
- She buys a new bicycle for \( \$ 259.52 \).
- She buys 2 bicycle reflectors for \( \$ 3.07 \) each and a pair of bike gloves for \( \$ 29.12 \).
- She plans to spend some or all of the money she has left to buy new biking outfits for
\( \$ 72.61 \) each.
Write and solve an inequality which can be used to determine \( o \), the number of outfits Audrey
can purchase while staying within her budget.
Q:
4. Rewrite one of the factors as the sum of two terms in each expression and use the
Distributive Property to verify each product.
\( \begin{array}{ll}\text { (a) } 4 \times 17=68 & \text { (b) } 9 \times 34=306\end{array} \)
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