2 years ago

Draw pictures to show two ways to buy 276 markers

Mathematics

2 answers:

enyata [817]2 years ago

5 0

Solution:

276= 46× 6 (There are 46 students in a class. Each student got one marker for the test . The authorities has charged $ 6 for marker.)

276= 24 ×12( Sake gifted a pack of 12 markers to Christina.The Cost of that packet is $ 276.)

irakobra [83]2 years ago

3 0

100 circles and another 100 circles and 76 circles.

Draw in real life it will work.

Another way 2 hundreds 7 tens and 6 ones

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Which of the following functions gives the length of the base edge, a(v), of a right square pyramid that is 8 inches tall as a f

Reil [10]

Answer:

$\large\boxed{a(V)=\sqrt{\dfrac{3V}{8}}}$

Step-by-step explanation:

The formula of a volume of a square pyramid:

$V=\dfrac{1}{3}a^2h$

a - base edge

h - height of a pyramid

We have H = 8in.

Substitute and solve for a:

$\dfrac{1}{3}a^2(8)=V\\\\\dfrac{8}{3}a^2=V\qquad\text{multiply both sides by}\ \dfrac{3}{8}\\\\\dfrac{3\!\!\!\!\diagup^1}{8\!\!\!\!\diagup_1}\cdot\dfrac{8\!\!\!\!\diagup^1}{3\!\!\!\!\diagup_1}a^2=\dfrac{3}{8}V\\\\a^2=\dfrac{3V}{8}\Rightarrow a=\sqrt{\dfrac{3V}{8}}$