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bezimeni [28]
3 years ago
13

Help! I don't understand this.

Mathematics
2 answers:
OleMash [197]3 years ago
7 0

Answer:

x > 9.

Step-by-step explanation:

Here it is just simplifying the inequality.

6 - 2/3x < x - 9

Add 2/3x to both sides.

6 < 5/3x - 9

Add 9 to both sides.

15 < 5/3x

Multiply by 3/5.

9 < x

Flip it.

x > 9.

Akimi4 [234]3 years ago
5 0

Answer:

x > 9

Step-by-step explanation:

I think I think I think I think

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Pleeaaassseee I need help in this , algebraic expressions​
Ratling [72]

Answer: I did them with letters went from a to j but same order .

Step-by-step explanation:

Hi , idk if you know how to resolve those or you just was bored so in the first one I did firstly started by exchanging the letters and there number so , I wish it helped you at least a little more, bye good luck in life , you gonna be amazing : )

3 0
3 years ago
Find the perimeter of the polygon
jenyasd209 [6]

Answer:

The perimeter of the polygon is 48 cm.

Step-by-step explanation:

Given: \angle B \cong \angle D

To find the perimeter of the polygon, we need to find the lengths of the AB, BC, CD and DA

Since, \angle B \cong \angle D and to find the length, from circle theorem, "Two tangents from an external point to a circle are always equal in length".

From this statement we shall conclude,

The length of AB=5+6=11

The length of BC=6+7=13

The length of CD=7+6=13

The length of DA=6+5=11

Thus, the perimeter of the polygon is

\begin{aligned}\text {Perimeter} &=A B+B C+C D+D A \\&=11+13+13+11 \\&=48 \mathrm{cm}\end{aligned}

Hence, the perimeter of the polygon is 48 cm.

8 0
3 years ago
Find the perimeter and area of the polygon shown below. The polygon is a trapezoid made up of a rectangle and a right triangle.
algol13

Since, the polygon is a trapezoid made up of a rectangle and a right triangle. Therefore, according to the question, the figure of the polygon is attached.


Since, perimeter is the total length of the outer boundary of the figure. Therefore,

Perimeter of the polygon is=AB+BE+ED+DC+CA

                                             =18+17+8+18+15

                                             =76 \ ft


Area of the polygon = Area of Rectangle + Area of Triangle

                                  =[(18) \times (15)] + [(\frac{1}{2}) \times (8) \times (15)]

                                  =270 + [(\frac{8}{2}) \times (15)]

                                  =270 + [4 \times (15)]

                                  =270 + 60

                                  =330 \ {ft}^{2}

7 0
3 years ago
Read 2 more answers
Write an equation for the total water usage, U, at the park this year in terms of x, the number of special events the park has h
Hoochie [10]

Answer:

U = 16206 + 22.2x

Step-by-step explanation:

This year, water usage has increased by 20% for both regular days and special events.. Write an equation for the total water usage, U, at the park this year in terms of x, the number of special events the park has hosted

Solution:

Last year regular usage of water was 13505 gallons, where as it was 18.5 gallons per special event. Let us assume that there were x special invents, hence:

The total usage for last year = 13505 + 18.5x

This year, the total usage (U) increased by 20%, hence:

Total usage for this year (U) = total usage for last year + 20% of total usage for last year

U = (13505 + 18.5x) + 0.2(13505 + 18.5x)

U = 13505 + 18.5x + 2701 + 3.7x

U = 16206 + 22.2x

8 0
3 years ago
Fractions and properties of addition
Softa [21]

Answer:

Associative Property

Commutative Property

Distributive Property

Identity Property

Step-by-step EXPLANATION

ASSOCIATIVE PROPERTY

In this property, irrespective of the regrouping between a number and the addent within a bracket, the sum, value does not change.

For example:

(A + B) + C = A + ( B + C)

COMMUTATIVE PROPERTY

In commutative Property, you will always get thesame results after changing the order or position of the addent.

For example:

A + B = A + B

Also,

A + B = B + A

DISTRIBUTIVE PROPERTY

Basically here, please note that, the sum (addition) of two numbers times a Third one is always equal to the sum of these numbers times the third one.

For Example:

A x (B + C) = AB + AC

IDENTITY PROPERTY

This property is the easiest of all, it simply says that "Add a number to Zero must always be that number".

For example:

A + 0 = A

B + 0 = B

C + 0 = C

HOPE THIS HELPED!

3 0
3 years ago
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