MATHEMATICS HIGH SCHOOL

Can someone helpme please​
can someone helpme please​ - 1

Answers

Answer 1
Answer:

Answer: the first box is 1/5 since one of 5 squares are shaded.

The next box the answer is “there are 4 groups 1/5.

The next answer is 4/5

The last answer is 4/5

Step-by-step explanation:

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Answers

V=A*h*1/3 - equation to count volume of the pyramid
A=93.5 sq ft
h=6 ft
V=93.5*6*1/3=93.5*2=187 cubic ft
The volume of a pyramid with a hexagon base is: 1/3 * area of the base * height.

So: 1/3 * 93.5 * 6 = 187.

Maria donates a fixed amount, a, to a charity each month. If she donates $300 in 12 months, what is the equation for a?

Answers

If a is how much money she donated each month a should be 25 because 25 dollars multiplied by 12 months is 300 dollars

Answer:

ax12=300

Step-by-step explanation:

Factorise-              6y-15y^2
     HELP

Answers

We will take the common terms in the expressions-

Here in the expression, 3y is a common term.
So,

6y - 15y^(2)

3y(2 - 5y)

So, the answer is 3y(2 -5y)
6y-15y^2
3y(2-5y)                                                          (taking 3y as common)
clearly 3y(2-5y) cannot be factorised further hence this is the answer

Ratio of two volume cylinders (Geometry)


If two similar cylinders have heights of 75cm and 25cm. What is the
ratio of the volume of the larger cylinder to the volume of the smaller
cylinder? Can someone please explain in detail. Thank you!

Answers

The ratio of the lengths is 75 : 25 or 3 : 1 

The ratio of and area is the square of this: ie 9 : 1 or 75^2 : 25^2
(In working out the area the radius is squared)

The ratio of the volumes is the cube of this: ie 27 : 1 or 75^3 : 25^3
(In working out the volume the radius is cubed)

Hopefully this explains it
V1 = π* ( r1)^2 * 75;
V2 = π* ( r2)^2 * 25;

V1/V2 = (r1/r2)^2 * 3.

What value of x makes this proportion true 3/x=15/40

Answers

An expression is defined as a set of numbers, variables, and mathematical operations formed according to rules dependent on the context. The value of x makes this proportion true 3/x=15/40 is 8.

What is an Expression?

In mathematics, an expression is defined as a set of numbers, variables, and mathematical operations formed according to rules dependent on the context.

A ratio shows us the number of times a number contains another number. The value of x in the given expression can be found using the ratios. Therefore, The value of x makes this proportion true 3/x=15/40 is,

3 / x = 15 / 40

3 × 40 = x × 15

120 = 15x

x = 120/15

x = 8

Hence, The value of x makes this proportion true 3/x=15/40 is 8.

Learn more about Expression:

brainly.com/question/13947055

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If you would like to solve the equation 3 / x = 15 / 40 for x, you can calculate this using the following steps:

3 / x = 15 / 40     /*x
3 = 15 / 40 * x    /*40
3 * 40 = 15 * x   /15
x = 3 * 40 / 15
x = 8

The correct result would be 8.

Solve |x + 3| = 7.
A. x= -4
B. x= 10
C. x= 4
D. x= -10

Answers

Answer:

C. x= 4

Step-by-step explanation:

|x + 3| = 7

x + 3 = 7

x = 7 - 3

x = 4

Answer:

x = 4

Step-by-step explanation:

|x + 3| = 7

=> x + 3 = 7

=> x = 7 - 3

=> x = 4
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