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3 years ago

GEOMETRY PLEASE HELP!!! What is the surface area of the square pyramid shown if the height is 15 m?

Mathematics

1 answer:

Sindrei [870]3 years ago

4 0

Answer:

The answer is 180 cm.......

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What are the zeros of the function f(x) = x^2 + 5x + 5 written in simplest radical form?

Klio2033 [76]

Answer:

2x = -5 +/- root 5 (opt 3)

Step-by-step explanation:

0 = 4f(x)

= 4(x^2 + 5x + 5)

= 4x^2 + 20x + 20

= (2x)^2 + 2*2x+5 + 25 - 5

= (2x + 5)^2 - (root 5)^2

= ((2x+5) - 5) ((2x + 5) + 5)

= (2x + 5 - 5) (2x + 5 - 5)

Therefore, 2x = -5 +/- root 5

Hope u understand.

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Thank You

7 0

3 years ago

In a fruit cocktail, for every 30 ml of orange juice you need 45 ml of apple juice and 25 ml of coconut milk. What proportion of

sveta [45]

Answer: $\frac{1}{4}$

Step-by-step explanation:

Given

For 30 ml of orange Juice

45 ml of apple Juice is needed and

25 ml of coconut milk is required

The proportion of coconut milk in the cocktail is

$\Rightarrow \dfrac{\text{amount of coconut milk}}{\text{total volume of mixture}}\\\\\Rightarrow \dfrac{25}{30+45+25}=\dfrac{25}{100}\\\\\Rightarrow \dfrac{1}{4}$

5 0

3 years ago

PLEASE ANSWER! 15 POINTS

Vikentia [17]

Answer: 13/15

Step-by-step explanation:

1/5 + 2/3 = 13/15. Since 13/15 can’t be simplified, that’s your answer.

4 0

2 years ago

Compute the total cost of the meal to the nearest cent: meal costs $24.62 plus 6% tax and 15% tip.

matrenka [14]

The total cost of the meal is $30.02

Step-by-step explanation:

Given,

Cost of meal = $24.62

Tax = 6%

Tax amount = 6% of cost of meal

$Tax\ amount=\frac{6}{100}*24.62\\Tax\ amount=\frac{147.72}{100}\\Tax\ amount=\$1.48$

Cost after sales tax = 24.62+1.48 = $26.10

Tip = 15%

Tip amount = 15% of cost after sales tax

$Tip\ amount=\frac{15}{100}*26.10\\\\Tip\ amount=\frac{391.5}{100}\\Tip\ amount=\$3.92$

Total cost of meal = Cost after sales tax + Tip amount

Total cost of meal = 26.10+3.92 = $30.02

The total cost of the meal is $30.02

Keywords: percentage, sales tax

Learn more about percentages at:

#LearnwithBrainly

7 0

2 years ago

Simplify f(x)=(x+1)(x-3) to standard form

Ivahew [28]

Answer:

x^2-2x-3

Explanation: Use FOIL

4 0

3 years ago