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3 years ago

Please help me solve for 1

Mathematics

2 answers:

Rama09 [41]3 years ago

7 0

Answer:

b=5.14

Step-by-step explanation:

Viefleur [7K]3 years ago

4 0

Answer:

$\frac{36}{7 }$

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Find the value of x.

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Answer:

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4 years ago

The ratio 2.5 metres to 60 centimetres can be written in the form 1:n find the valur of n

Maslowich

Answer:

The value of n is $\frac{6}{25}$

Step-by-step explanation:

we know that

1 m=100 cm

step 1

Convert 2.5 m to cm

2.5 m=2.5*100=250 cm

step 2

Find the ratio

$\frac{250}{60}=\frac{25}{6}$

Divide by 25 both numerator and denominator

$\frac{1}{\frac{6}{25}}$

therefore

The value of n is $\frac{6}{25}$

8 0

4 years ago

3. What amount of money is necessary to be invested at 5% simple interest to yield $320 in interest after 4 years?

Simora [160]

Answer:

$Amount = \$1920$

Step-by-step explanation:

Given

$Interest =\$320$

$Rate = 5\%$

$Years = 4$

Required

Determine the invested amount

First, we need to determine the Principal

This is calculated as:

$Interest = Principal * Rate * Time$

Solve for Principal

$Principal = \frac{Interest}{Rate * Time}$

$Principal = \frac{\$320}{0.05 * 4}$

$Principal = \frac{\$320}{0.2}$

$Principal = \$1600$

Add the principal to the interest

$Amount = Principal + Interest$

$Amount = \$1600 + \$320$

$Amount = \$1920$

7 0

3 years ago