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3 years ago

There are 65 pens in 3 boxes. How many pens are in 12 boxes?

Mathematics

2 answers:

Mandarinka [93]3 years ago

7 0

Answer:

260

Step-by-step explanation:

multiple them all then divide by 3

Rainbow [258]3 years ago

6 0

Answer:

260

Step-by-step explanation:

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What is 420/15 simplified to

Ghella [55]

So,

In order to simplify a fraction, we have to factor both the numerator and the denominator.
$\frac{420}{15} --\ \textgreater \ \frac{2*2*3*5*7}{3*5}$

Cross out ones.
$\frac{2*2*7}{1}\ or\ 28$

3 0

3 years ago

Read 2 more answers

Evaluate the expression. [(8 x 7) – 2): 9

frozen [14]

Answer:

☑ Answer is 6

Step-by-step explanation:

${ \tt{ \{(8 \times 7) - 2 \} : 9}} \\ = { \tt{(56 - 2) :9 }} \\ = { \tt{54 :9 }}$

» But this is a ratio, so it can be expressed in terms of fractions:

$= { \tt{ \frac{54}{9} }} \\$

» Divide both the denominator and numerator by 9:

${ \tt{ = \frac{54 \div 9}{9 \div 9} }} \\ \\ = { \tt{ \frac{6}{1} }} \\ \\ = 6$

6 0

2 years ago

Solve for x: 3|x - 3| + 2 = 14

astra-53 [7]

D) is the correct one

3 0

3 years ago

Read 2 more answers

Debbie has $460 in a savings account that earns 8% annually. If the interest is not compounded, how much interest will she earn

Bess [88]

She earned $184 in interest
$644 In all

Here's why:
The formula is Interest = Principal x Rate x Time
I = 460 x 8% x 5 or I = 460 x 0.08 x 5. PEMDAS
460(0.08) = 36.8
I = 36.8 x 5
36.8 x 5 = 184
I = $184
To find them in all, add the original amount she deposited with the interest.
460 + 184 = 644
In all: $644

6 0

3 years ago

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Which equation could be used to find the length of the hypotenuse?

suter [353]

The answer would be A because A squared + B squared = C squared which is the hypotenuse.

4 0

3 years ago