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Pepsi [2]
3 years ago
8

A math question I need help in

Mathematics
1 answer:
gizmo_the_mogwai [7]3 years ago
4 0
The answer will be A
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How many solutions for x does the following equation have? 2(x + 4) − 1 = 2x + 7
4vir4ik [10]

Answer:

The equation has infinity solutions

Step-by-step explanation:

we have

2(x+4)-1=2x+7

Applying distributive property left side

2x+8-1=2x+7

Combine like terms

2x+7=2x+7

The linear equation of the left side is equal to the linear equation of the right side

Both lines are identical

therefore

Is a consistent dependent system

The equation has infinity solutions

8 0
3 years ago
The floor of a skating rink is circular and has a radius of 14 meters. What is the
Lerok [7]

Answer:

Step-by-step explanation:

615.75m squared

4 0
3 years ago
Read 2 more answers
Determine the most precise name for quadrilateral ABCD. Answers: parallelogram quadrilateral rhombus kite angles: (7,6) (3,5) (2
devlian [24]

Answer:

  rhombus

Step-by-step explanation:

It is helpful to plot the points on a graph. There, you can see that the rise and run of each segment are 1 and 4 (or vice versa). This tells you they are the same length, but not perpendicular.

A quadrilateral with all sides the same length, but not perpendicular, is a rhombus.

3 0
3 years ago
Please help :) I’m really in need of assistance and would appreciate it.
BaLLatris [955]

Answer:

D) 0.5x^3y + 4x^2 y^2 - 2xy^3

Step-by-step explanation:

Set up an equation to model the situation,

(-0.5xy)(x^2 + 8xy - 4y^2)

Distribute, multiply each term in the parenthesis with the term outside of the parenthesis. Don't forget the laws of exponents, when one multiplies two exponents, with the same base, then one adds the two exponents. A number with no exponential term is two the first degree meaning that it is to the power of one.

-0.5x^3 y - 4x^2 y^2 + 2xy^3

4 0
3 years ago
The perimeter of the triangular park on the right is 16x-6. What is the missing length? The bottom side length is 5x+4 and the r
Romashka-Z-Leto [24]

Answer:

(9x-5)\ units

Step-by-step explanation:

<u><em>The picture of the question in the attached figure</em></u>

we know that

The perimeter of a triangle is the sum of the length of their three  sides

so

P=a+b+c

where

a,b,c are the length sides of the triangle

In this problem we have

P=(16x-6)\ units\\a=(2x-5)\ units\\b=(5x+4)\ units

substitute and solve for the missing length

(16x-6)=(2x-5)+(5x+4)+c\\c=(16x-6)-(2x-5)-(5x+4)\\c=(9x-5)\ units

3 0
3 years ago
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