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3 years ago

Please help with this

Mathematics

2 answers:

zzz [600]3 years ago

7 0

Answer:

x² + 12x + 35

Step-by-step explanation:

The area of the blue section is x * x = x².

Pink: x * 7 = 7x

Green: x * 5 = 5x

Orange: 7 * 5 = 35

When we add these up we get x² + 12x + 35. Hope this helps!

likoan [24]3 years ago

5 0

Answer: x2 + 12x + 35

Step-by-step explanation:

Area of a rectangle = l x w

A = (x + 7) (x + 5)

= x2 + 5x + 7x + 35

= x2 + 12x + 35

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Maru [420]

Answer:

The correct option is C) 12.00%.

Step-by-step explanation:

This can be calculated using the formula for calculating the effective annual rate (EAR) as follows:

EAR = ((1 + (i / n))^n) - 1 .............................(1)

Where;

EAR = effective annual rate = 12.682%, or 0.12682

i = annual percentage rate (APR) = ?

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Substituting the values into equation (1) and solve for i, we have:

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i = 0.00999962428035 * 12

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3 years ago

Could someone please help

ololo11 [35]

Ok so when you add fractions, the denominators have to be the same, therefore: (whole numbers you can still add)

5(1/2)+5(1/2)= 10(2/2), which equals to 11.

5(1/2) is also 5.5, since 1/2 is 50/100.

5.5 + 5.5 = 11

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4 years ago

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Answer:

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Step-by-step explanation:

We can calculate the number of people from the sample that has both high blood pressure (HBP) and high cholesterol (HC) using this identity:

$N(\text{HBP or HC})=N(\text{HBP})+N(\text{HC})-N(\text{HBP and HC})\\\\\\ N(\text{HBP and HC})=N(\text{HBP})+N(\text{HC})-N(\text{HBP or HC})\\\\\\ N(\text{HBP and HC})=15+25-30=10$

We can calculate the probability that a random person has both high blood pressure and high cholesterol as:

$P(\text{HBP and HC})=\dfrac{10}{40}=0.25$

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