1answer.
Ask question
Login Signup
Ask question
All categories
  • English
  • Mathematics
  • Social Studies
  • Business
  • History
  • Health
  • Geography
  • Biology
  • Physics
  • Chemistry
  • Computers and Technology
  • Arts
  • World Languages
  • Spanish
  • French
  • German
  • Advanced Placement (AP)
  • SAT
  • Medicine
  • Law
  • Engineering
Dvinal [7]
2 years ago
7

Help please and thanks! I always give brainliest!

Mathematics
2 answers:
Masteriza [31]2 years ago
8 0

Answer:

  (x, y) = (18, 9)

Step-by-step explanation:

Assuming the figure is a parallelogram, the diagonals bisect each other. Each half of one diagonal is equal to the other half of that diagonal.

Long diagonal:

  x -3 = 15

  x = 18 . . . . . add 3 to both sides of the equation

Short diagonal:

  y +3 = 12

  y = 9 . . . . . . subtract 3 from both sides of the equation

The variable values are ...

  • x = 18
  • y = 9
Tju [1.3M]2 years ago
6 0

Answer:

x=18, y=9

Step-by-step explanation:

The lines of y+3 and 12 look equal to each other. So do x-3 and 15. Because of this, we set each equal to each other and solve.

solving for x:

x-3 = 15

+ 3     +3

x=18

solving for y:

y+3=12

- 3    -3

y=9

hope this helps!!!

You might be interested in
Do we use Pythagorean theorem to find missing sides or missing angles in a right triangle
Marina86 [1]
To find missing lengths of sides
hope this helped have a nice day

8 0
3 years ago
The estimated regression equation is = 7.6 + .9x. what is the value of the standard error of the estimate (to 2 decimals)?
kupik [55]
Any answer things? :/
4 0
3 years ago
The price of a cup coffee was 2.40 yesterday. Today, the price fell to 2.15 find the percentage decrease. Round the answer to th
irakobra [83]
ANSWER

The percentage decrease is 10.4%.

EXPLANATION

To calculate percentage decrease, use the formula,

Percentage decrease

= \frac{new \: price - old \: price}{old \: price} \times 100\%

Yesterday the price of coffee was 2.40. This is the old price.

Today the price is 2.15. This is the new price.

= \frac{2.15 - 2.40}{2.40} \times 100\%

= \frac{ - 0.25}{2.40} \times 100\%

= - 0. 10416667 \times 100\%

= - 10.416667\%

To the nearest tenth, we have:

- 10.4\%

Therefore the percentage decrease is 10.4%.
8 0
3 years ago
What is the surface area of the prism?
cestrela7 [59]

Step 1: Find the area of the bases (triangles)

A = 1/2 * base * height

A = 1/2 * 16 * 6

A = 48

48 + 48 = 96

Area of the triangles = 96 cm^2

Step 2: Find the area of the sides (rectangles)

A = base * height

A1 = 16 * 12

A1 = 192

A2 = 10 * 12

A2 = 120

120 + 120 = 240

240 + 192 = 432 cm^2

Step 2: Add the areas together

96 + 432

528 cm^2

Hope this helps!! :)

5 0
3 years ago
Please help i cant get this
Sveta_85 [38]

Answer:

0.264

Step-by-step explanation:

8 0
2 years ago
Read 2 more answers
Other questions:
  • a square as 9 inch sides. every side of a pentagon is also 9 inches long. are their perimeters the same? explain your answer.
    7·1 answer
  • Which statement is true about the equation (x – 4)(x + 2) = 16? The equation x – 4 = 16 can be used to solve for a solution of t
    8·2 answers
  • HEEEEEEELP WITH MATH<br> will give brainliest
    6·1 answer
  • Given: &lt;SPT = &lt;RQT, ST = RT Prove: PR = QS​
    9·1 answer
  • -1/2x-8=1. what does x equal​
    13·1 answer
  • (5.2 x 10^-2) x (8.0 x 10^4) in scientific notation?
    11·1 answer
  • Which statements about the factors of the terms in the expression 12 x + 18 x y minus 24 y are true? Select three options.
    14·2 answers
  • I’ll give the Brainliest to who answers these questions with a reasonable explanation.
    8·2 answers
  • At a summer camp there are 40 boys out of 70 campers what is the ratio written as a fraction in simplest form
    7·1 answer
  • What are the advantages of using a table to find equivalent ratios?
    15·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!