(1 pt) The conservation club has 32 members. There are 18 girls in the club. What is the ratio of girls to boys in simplest form?

Answers

Answer 1

Answer: how many boys are there? there are 32-18=14 boys! (check: 14+18=32; correct).

So the ratio of girls to boys is 18 to 14, or 18:14

both number are even, let's divide them by 2:

9:7

now they don't have any more factors in common so the answer is 9:7!

Answer 2

Answer:

Answer:

9;7

Step-by-step explanation:

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What is a real number?

Answers

Real numbers are all irrational and rational numbers. These are all the numbers on the number line that represent a quantity of some sort.

Real number is number that can be found on the number line. This includes both the rational and irrational numbers.

Find the value of x for the following angles
(6x + 4)degrees and
(4x + 6)degrees

Answers

(6x + 4) = (4x + 6)
-4 -4
6x = 4x + 2
-4x -4x
6x = 2
/6 /6
x = 1/3

8s+6t-(-5s)-2t simplify the expression like terms

Answers

8s +6t -(-5s)-2t
first find the number that has the same variables
=8s - 5s= 3s

6t-2t=4t

the answer is 3s +4t

Angle A and B are complimentary .Angle A is 12 more than twice angle B what is the measure of each angle

Answers

Answer:

2x-15

Step-by-step explanation:

x+2x-15=90

3x-15=90

3x=90+15

x=105/3

the other angle is 55

BEST GETS BRAINLEST.A construction engineer needs to make 25 square concrete slabs with sides of length x feet and a height x - 3 feet. If the engineer can use at most 350,000ft^3 of concrete, what should the dimensions of each slab be, to the nearest foot?

a. Write an expression for the volume of all the slabs

b. What should x equal, to the nearest foot?

Answers

Answer:

x ≈ 118 ft

Step-by-step explanation:

To get an expression for the volume of all slabs, we can use the formula of volume of cuboid 'V', which is equal to the product of its length 'x', breadth 'x' and height 'x-3' i.e.

$V = x.x.(x-3)$

For 25 slabs,

$V = 25x.x.(x-3)$

Since, V cannot be more than 350,000 $ft^(3)$ , therefore,

$350000 = 25x^(2) (x-3)$

which can be written as:

either:

$350000 = 25x^(2)$

$x = \sqrt{ (350000)/(25)$

x ≈ 118 ft

or:

$x - 3 = 350000$

$x = 350003$

which is not possible.

Hence x should be 118 ft

We know that the given side lengths are x and the height is x.

Therefore, the area of the base = $A = x * x$

$Formula =\ \textgreater \ volume = length*width*height$

$To \ find \ the \ volume \ of \ 1 \ slab, \ multiply \ by \ the \ height$ $x -3$

$= x*x*(x-3)$

$Volume \ of \ 25 \ slabs =$ $25*x^2*(x-3)=350000$

$350,000/25 = 14,000$

$x^3 - 3x^2 - 14000$

$= 25.14$

$Rounded => x=25$

Megan buys 3 bracelets and 3 necklaces. Each bracelet cost $5. Megan pays the clerk $40 and gets $4 change. What is the cost, in dollars, of one necklace? How?

Answers

(3x5)+3x=40-4
15+3x=36
3x=21
x=7

Therefore the cost of one necklace is $7

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