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eimsori [14]
3 years ago
7

5(2x-5) = 1/2(18x+40)​

Mathematics
2 answers:
allsm [11]3 years ago
4 0
<h3>5(2x-5)=1/2(18x+40)</h3><h3>10x-25=18x+20</h3><h3>10x-18x=20+25</h3><h3>-8x=45</h3><h3>x=45÷8</h3><h3>x=5.62</h3><h3> or</h3><h3>x=6</h3>

please mark this answer as brainlist

andrew11 [14]3 years ago
3 0

Answer:

x = 45

Step-by-step explanation:

5 (2x - 5) = 1/2 (18x + 40)​

10x - 25 = 9x + 20

10x = 9x + 45

x = 45

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Please help on this . :D
Gnoma [55]

Answer:

Equilateral: 3rd Triangle

Isosceles: 1st, 2nd, and 4th Triangle

Scalene: 5th Triangle

Step-by-step explanation:

Definitions:

Equilateral: All sides are equal (3 slash marks)

Isosceles: Only two sides are equal (2 slash marks)

Scalene: No sides are equal (0 slash marks)

7 0
2 years ago
Read 2 more answers
Is y=2x-3 porportinal
Rudiy27

Answer:

It does not represent a proportional relationship because it has a y-intercept therefore it won’t go through the origin.

Step-by-step explanation:

6 0
4 years ago
Read 2 more answers
What is the area of this figure?
kotegsom [21]
Break the shape into smaller rectangles and solve for there areas. Then add the areas together to get the total area of the figure. See the picture below where I solved the problem

3 0
3 years ago
The coordinates of rhombus ABCD are A(–4, –2), B(–2, 6), C(6, 8), and D(4, 0). What is the area of the rhombus? Round to the nea
Trava [24]

Answer:

The rhombus ABCD has an area of 22 square units.

Step-by-step explanation:

The coordinates of rhombus ABCD are shown in the image attached below. The area of the rhombus can be found in terms of their diagonals, which are now calculated by Pythagorean Theorem:

AC = \sqrt{[6-(-4)]^{2}+[8-(-4)]^{2}}

AC = 15.620

BD = \sqrt{(4-6)^{2}+[0-(-2)]^{2}}

BD \approx 2.828

The area of the rhombus is: (AC = 15.620 and BD \approx 2.828)

A = \frac{AC\cdot BD}{2}

A = \frac{(15.620)\cdot (2.828)}{2}

A = 22.087

The rhombus ABCD has an area of 22 square units.

6 0
4 years ago
Try It! Class A was given a sunflower with a height of 8 centimeters that grows at a rate of 3 1/2 centimeters per week. Class B
igor_vitrenko [27]

Answer:

8 Weeks

Step-by-step explanation:

First let's collect the given data:

• <u>Class A:</u>

- Starts at 8 cm

- grows at 3.5 cm/week

• <u>Class B:</u>

- Starts at 10cm

- grows at 3.25 cm/week

Class B's plant starts out 2 cm taller and Class A's plant grows 1/4 cm faster. So, to find when these two will be at an equal height, divide 2 cm by 1/4.

2 ÷ 1/4 =

2 × 4/1 =

2 × 4 =

8

It will take 8 weeks for the plants to be at an equal height.

8 0
3 years ago
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