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3 years ago

A student asks 18 friends to participate in a psychology experiment.

Mathematics

1 answer:

nlexa [21]3 years ago

4 0

The answer is C Becuase hes asking his friends to partake in the psychology experiment

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If the exchange rate when converting US dollars to Za rands is $1=R17

den301095 [7]

<h3>Given:</h3>

1 US Dollar= R17

How much is $100 in ZA rands.

<h3>Solution:</h3>

Let the unknown be "x"

$\frac{1}{17}×\frac{100}{x}$

We'll have to do cross multiplication.

So we'll have to multiply 100 and 17.

$100×17$

$\huge\boxed{= 1700 \: ZA \: rands}$

Therefore, $100 is 1700 ZA rands.

8 0

2 years ago

Pleaseeeeeee help me this is a test for geometry, please read carefully before answering.

jek_recluse [69]

Answer:

1. A

2. A

3. C

4. C

5. A

Step-by-step explanation:

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3 years ago

What is the value of x in the equation Three-fifths x = negative 45?

ryzh [129]

Answer:

x = -75

Step-by-step explanation:

$\frac{3}{5} x=-45\\\\3x=-225\\x=-75$

3 0

3 years ago

If you can answer all of them that would mean a lot,

SCORPION-xisa [38]

Answer:

oh ur up at night.. me to...

Step-by-step explanation:

7 0

3 years ago

Read 2 more answers

Jack broke apart 5x216 as (5x200)+(5x16) to multiply mentally. What strategy did Jack use?

Sveta_85 [38]

For this case we have the following multiplication:

$5 * 216$

We can rewrite this multiplication in the following way:

$5 * (200 + 16)$

From here, we apply the distributive property.

We have then:

$(5 * 200) + (5 * 16)$

Therefore, Jack's strategy is:

Write the number in an expanded form and then apply the distributive property.

Answer:

Jack's strategy is:

Write the number in an expanded form and then apply the distributive property.

8 0

4 years ago

Read 2 more answers