Please help me! (math question btw)

Answers

Answer 1

Answer: area = length times width so multiply the two numbers
perimeter = adding all of the numbers

Answer 2

Answer: 1. 15
other ones: idk cuz u need a better picture

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Find PR. PLSSS HELP BRAINLIEST Pls..

Answers

Answer:

PR = 6.9

Step-by-step explanation:

From the diagram, the following were obtained:

Hypo = 10

Opp = PR

Sin0 = 44°

Sin0 = opp /Hypo

Sin44° = PR/10

Cross multiply

PR = 10 x Sin44°

PR = 6.9

Answer:

sin44 = PR÷PQ = 0.694÷1 × X÷10 = X = 6.94

mr. milo puts less than 3 books on each desk. there are 20 desks. write an inequality to represent the total number of books

Answers

The solution to this problem would be n<3*20 you can look up your question on yahoo it will appear there also.

What is the numbered angle. I do not undersand

Answers

The numbered angles are the angles that have measures, otherwise known as the numbers.

The expression 9
a
+
6
s
is the cost for
a
adults and
s
students to see a musical performance. What is the total cost for three adults and five students?

Answers

9a+6s =cost

substitute 3 adults and 5 students

9(3) +6(5) = cost

multiply

27+30=cost

add

57=cost

Total cost is $57

Write an algebraic expression for two fifths the cube of a number

Answers

2 * n³ / 5 is the right answer

Whitch expression is equivlent to the expression
7(3x-2) + 4(x+5)

Answers

Answer:

$\large\boxed{7(3x-2)+4(x+5)=25x+6}$

Step-by-step explanation:

$7(3x-2)+4(x+5)\qquad\text{use the distributive property}\ a(b+c)=ab+ac\n\n=(7)(3x)+(7)(-2)+(4)(x)+(4)(5)\n\n=21x-14+4x+20\qquad\text{combine like terms}\n\n=(21x+4x)+(-14+20)\n\n=25x+6$