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3 years ago

16. The price of an item will increase by RM4 every month. If the current price

Mathematics

2 answers:

Inessa05 [86]3 years ago

8 0

Answer:

Sol:

The current price of item = RM258

The price that increases every month = RM4

Now,

It's price in ten month's line= Current price + 10 X increased price per month

= RM 258 + 10X RM4

=RM 258+ RM 40

= RM 298

Therefore, it's price in ten month's line will be RM 298

FinnZ [79.3K]3 years ago

5 0

RM298

reason: multiply RM4 by 10 to get RM40 and add that to RM258 to get RM298

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the area of a rectangle is 90 in2^. the ratio of the length to the width is 5:2. find the length and the width

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Length and width of rectangle is 15 inches and 6 inches respectively

<h3>Solution:</h3>

Given that area of a rectangle is 90 square inch

Ratio of length to the width = 5: 2.

Need to determine length and width of rectangle.

As ratio of length to the width is 5 : 2

Lets assume length of rectangle = 5x inches and width of rectangle = 2x inches.

The formula for area of rectangle is given as:

$\text { Area of rectangle }=\text { length of rectangle } \times \text { width of rectangle}$

Substituting the given value of area of rectangle and assumed value of length and width of rectangle we get:

$\begin{array}{l}{90=5 x \times 2 x} \\\\ {=>90=10 x^{2}}\end{array}$

On solving the above expression for x we get

$\begin{array}{l}{=>\frac{90}{10}=x^{2}} \\\\ {=>x^{2}=9} \\\\ {=>x=\sqrt{9}=3}\end{array}$

$\begin{array}{l}{\text { Length of rectangle }=5 \times x=5 \times 3=15 \text { inches }} \\\\ {\text { Width of rectangle }=2 \times} x=2 \times} 3=6 \text { inches }}\end{array}$

Hence length and width of rectangle is 15 inches and 6 inches.

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3 years ago

Explain how to find coordinates for Q

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Answer:

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Step-by-step explanation:

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So, Q is the midpoint of DF.

By mid point formula.

$Q = \bigg( \frac{1 + 7}{2}, \: \: \frac{3 - 5}{2} \bigg) \\ \\ Q = \bigg( \frac{8}{2}, \: \: \frac{ - 2}{2} \bigg) \\ \\ Q = (4, \: \: - 1)$

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Changing the division into multiplication by taking the reciprocal of the fraction in the denominator to get:

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