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3 years ago

Help please I don’t understand at all

Mathematics

2 answers:

dsp733 years ago

8 0

<h2>Hello dear✌</h2>

Answer:

Here, you have to calculate the percentage(%) of change. 

To calculate this, you have to use this formula-:

 ${ \bold{\mathfrak{\frac{change}{new} \times 100}}}$ 

Step-by-step explanation:

$= \frac{5}{90} \times 100$

$= \frac{50}{9 }$

$= 5.55555$

Now, you have to round of this percentage to the nearest....

And that will be => 6%.

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CaHeK987 [17]3 years ago

3 0

Answer:

6% ( to nearest percent )

Step-by-step explanation:

The percentage change is calculated as

$\frac{change}{original}$ × 100%

Change = 90 - 85 = 5, hence

percent change = $\frac{5}{85}$ × 100% = $\frac{5(100)}{85}$ = 6%

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3 years ago

For the geometric sequence of a1=2 and r=2 find a5

Brrunno [24]

Answer:

$a_5 = 32$

Step-by-step explanation:

The nth term for the geometric sequence is given by:

$a_n = a_1 \cdot r^{n-1}$

where,

$a_1$ is the first term

r is the common ratio

n is the number of terms.

As per the statement:

For the geometric sequence of $a_1=2$ and r=2

We have to find $a_5$

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Answer:

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Step-by-step explanation:

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3 years ago

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3 years ago

Read 2 more answers

The oven tray is 600mm by 500mm. A cake tin is 25cm in diameter. How many cake tins can jenny fit on the oven tray at one time?

Hunter-Best [27]

Oven tray: 600 mm by 500 mm
cake tin: 25 cm in diameter

convert mm to cm.

1 cm = 10 mm

600mm * 1cm/10mm = 60cm
500mm * 1cm/10mm = 50cm

Area of oven tray = 60cm * 50cm = 3,000 cm²
Area of cake tin = 3.14 * (25cm/2)² = 3.14 * (12.5cm)² = 3.14 * 156.25cm² = 490.625 cm²

3,000cm² ÷ 490.625cm² = 6.11 or 6 cake tins can fit on the oven tray at one time.

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4 years ago