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3 years ago

Can you help me with this question?

Mathematics

1 answer:

Bond [772]3 years ago

4 0

SAS, side angle side congruency

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Shown below are the steps a student took to solve the simple interest formula A = P(1 + rt) for r.

asambeis [7]

To solve A = P(1 + rt) for r, first isolate (1 +rt) by dividing both sides of this equation by P:

A/P = 1 + rt.

Next, isolate rt by subtracting 1 from both sides:

A/P - 1 = rt

Finally, divide both sides by t:

A/P - 1

----------- = r

This could be written in other formats, such as:

A - P

-------- = r

7 0

3 years ago

Dana ordered a set of beads. Of the beads she received, 3 were purple and 7 were a different color. What percentage of the beads

Paul [167]

Rd × 3 m + 108 w p o
3(rdmt 36 w × p o)

8 0

3 years ago

Is three eighths equal to two sixths

LuckyWell [14K]

You can write it out: 3/8 and 2/6. You can simplify 2/6 to 1/3. So 3/8 and 1/3. Those 2 fractions are not the same. 3/8 is bigger.
Sources: my brain and scratch paper
Hope this helps! :-)

8 0

3 years ago

Simplify the radical expression. -2√250 -10√10 3√10 -2√25 -2√125

fenix001 [56]

Answer:

Step-by-step explanation:

5 0

1 year ago

help me find the volume and area of this figure step by step pleasefyi the answer key my teacher gave me says that the surface a

alisha [4.7K]

The volume of the shape

We have a cylinder that is cut into two. Its external radius is 5ft, while its internal radius is 4ft.

External radius = internal radius + thickness

$\begin{gathered} \text{External radius = 4ft + 1ft } \\ =\text{ 5ft} \end{gathered}$

Internal radius = 4ft (given)

Recall that the volume(V) of a full cylinder is:

$V\text{ = }\pi r^2h$

Since the cylinder is cut into two, the volume(V) is:

$V\text{ = }\frac{\pi r^2h}{2}$

height (h) = 12ft (given)

The volume of the shape:

$\begin{gathered} =\text{ Volume of cylinder with a radius of 5ft - Volume of cylinder with a radius of 4ft} \\ =\text{ }\frac{\pi\text{ }\times5^2\text{ }\times\text{ 12}}{2}\text{ - }\frac{\pi\text{ }\times4^2\text{ }\times\text{ 12}}{2} \\ =\text{ 471.239 - }301.593 \\ =169.65ft^3 \end{gathered}$

5 0

1 year ago