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3 years ago

Dot stamped 460 envelopes in 30 minutes, how many envelopes per minute did Cody stamp ?

Mathematics

1 answer:

makkiz [27]3 years ago

5 0

460 (envelopes) / 30 (minutes) = 15.3 rounds down to 15 envelopes per minute

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If $650 is invested in a bank account that earns a nominal 2.5% yearly interest, compounded quarterly, then how much is the inve

KengaRu [80]

Answer:

$\$833.97$

Step-by-step explanation:

we know that

The compound interest formula is equal to

$A=P(1+\frac{r}{n})^{nt}$

where

A is the Final Investment Value

P is the Principal amount of money to be invested

r is the rate of interest in decimal

t is Number of Time Periods

n is the number of times interest is compounded per year

in this problem we have

$t=10\ years\\ P=\$650\\ r=2.5\%=2.5/100=0.025\\n=4$

substitute in the formula above

$A=650(1+\frac{0.025}{4})^{4*10}$

$A=650(1.00625)^{40}$

$A=\$833.97$

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3 years ago

To make the Ice cream I need 600ml of heavy wiping cream and 200g of Sweet Condensed Milk. If I only have 473ml of cream and I h

nata0808 [166]

Answer:

157.6 ml of sweet condensed milk

Step-by-step explanation:

The ratio of heavy whipping cream to sweet condensed milk is a 3:1 ratio

7 0

3 years ago

Verify which of the following are identities.

-Dominant- [34]

Answer:

Only the second equation is an identity

Step-by-step explanation:

$8 \frac{\tan^2(\theta)}{\sec(\theta)} \csc^2(\theta)=8 \csc(\theta)$

$\tan^2(\theta)\csc^2(\theta)=\sec^2(\theta)$

<u>You can confirm it: </u>

$\frac{\sin^2(\theta)}{\cos^2(\theta)}\cdot \frac{1}{\sin^2(\theta)}= \frac{1}{cos^2(\theta)}= \sec^2(\theta)$

<u>Therefore</u>

$8 \frac{\sec^2(\theta)}{\sec(\theta)} =8 \csc(\theta)$

$8 \frac{\sec(\theta)}{1} =8 \csc(\theta)$

$8\sec(\theta)=8\csc(\theta)$

<h2>It is not an Identity</h2>

<u>Let's the second one</u>

$13 \frac{\tan^2(\theta)}{\sec(\theta)} \csc^2(\theta)=13\sec(\theta)$

In this case, we already performed the calculations, so it is true. It is an Identity.

3 0

3 years ago

How many meters are in 12 kilometers?

kompoz [17]

That is 12000 sooo that is the answer

8 0

3 years ago

David’s father bought 5 smoothies. He paid $20. Write and solve an equation to find the cost of one smoothie.

Naya [18.7K]

Answer:

Step-by-step explanation:

Because he bought 5 smoothies and they were each $20, you have to do 20÷5. Then you get $4 as your answer.

7 0

3 years ago

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