H/15 = 16/3 proportion

Answers

Answer 1
Answer: H/16 = 15/3Cross multiply:H * 3 = 15 * 16SimplifyingH * 3 = 15 * 16Reorder the terms for easier multiplication:3H = 15 * 16Multiply 15 * 163H = 240Solving3H = 240Solving for variable 'H'.Move all terms containing H to the left, all other terms to the right.Divide each side by '3'.H = 80SimplifyingH = 80

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Why is it important to line up the fraction strips on the left?

Answers

If I understand your question right, this is not necessary, but is very useful to keep problems organized.

Multiply(4a3)(a2)

Question 3 options:


4a5



−12a5



−4a5



12a5

Answers

Answer:

4a5

Step-by-step explanation:

(4a3)(a2)

Remove the brackets. Remember brackets mean to multiply.

4a^3*a^2

4a^3*a^2= 4a^3 + a^2

= 4a^5

Answer:

4a⁵

Step-by-step explanation:

(4a³)(a²)

4a³ × a² = 4a³⁺² = 4a

-TheUnknownScientist

What is the surface area of a rectangle prism

Answers

I think the answer is 40 because the rectangles each have a surface area of 8 and 8 times 4 is 32 then the squares have a surface area of 4 and 4 times 2 is 8 and 32+8 gives you the total surface area of 40
Pretty sure it’s 48

What is the value of 7/8 +3/4

Answers

Find the common denominator:

7/8+6/8
= 13/8 or 1 (5)/(8)
Since 3/4 equals 6/8, you do 7/8 + 6/8 = 11/8 and that can be simplified to 1 and 3/8 and put into decimal form like 1.375.

every three days Seth goes to the grocery store every brain goes to the store every 5 days what day will they both go

Answers

If seth goes every three days and Brian im assuming is the name.Goes every five days then they will both go on day 15
Just multiply 3x5 which is 15

Which equation could be used to solve problems involving the relationships between the angles?A) 90 + (8a + 9) = (11 + 2a)
B) 90 − (8a + 9) = (11 + 2a)
C) (11 + 2a) − 90 = (8a + 9)
D) (8a + 9) − (11 + 2a) = 90

Answers

Answer:

B

Step-by-step explanation:

Seeing the above angles we conclude that

(11+2a)+(8a+9)=90 (since they are complementary angles)

So

Subtracting (8a+9) to both sides we get

90-(8a+9)=11+2a

Answer:

The answer is B.) 90 - (8a + 9) = (11 + 2a)

Step-by-step explanation:

90 − (8a + 9) = (11 + 2a)

Complementary angles add to 90°