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attashe74 [19]
4 years ago
13

Hi again guys! I have a Math question this time! Question: The area of a square tile is 36 square centimeters. What is the lengt

h of the tile? Please answer as quickly as possible and Brainliest may be given out.
Mathematics
1 answer:
8090 [49]4 years ago
3 0
Square root 36 = 6
answer: 6 cm
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Complete the solution of the equation. find the value of y when x equals 15.<br><br> -x+2y=-1
erica [24]
-x + 2y = -1....when x = 15...so we sub in 15 for x and find y
-15 + 2y = -1
2y = -1 + 15
2y = 14
y = 14/2
y = 7 <==
5 0
4 years ago
Find the linear equations written in standard form. Select all that apply. A. x+y=-1 B. -3x = y C. x + 4y = 0 D. y = 5x - 2 E. x
Valentin [98]
<h3>3 Answers: A, C, and F</h3>

All of these equations are in the form Ax+By = C

  • An equation like x+y = -1 has A = 1, B = 1, C = -1
  • An equation like x+4y = 0 has A = 1, B = 4, C = 0
  • An equation like 8x-3y = 20 has A = 8, B = -3, C = 20

6 0
3 years ago
Surveyors need to measure the distance across a pond. they created similar triangles in this picture.
leonid [27]

Answer:

Therefore the Distance across the Pond is

x=391\ ft

Step-by-step explanation:

Given:

Triangle are Similar

AB = 90 ft

AC = 170 ft

BD = 207 ft

DE = x

To Find:

x = ?

Solution:

In Δ ABC and Δ DBE

∠A ≅ ∠D …………..{ measure of each angle is 90° given }  

∠ABC ≅ ∠DBE ……….....{Vertical Angle Theorem}  

Δ ABC ~ Δ DBE ….{Angle-Angle Similarity test}  

If two triangles are similar then their sides are in proportion.  

\dfrac{AB}{DB} =\dfrac{AC}{DE} \textrm{corresponding sides of similar triangles are in proportion}\\  

Substituting the values we get

\dfrac{90}{207} =\dfrac{170}{x}\\\\x=23\times 17=391\ ft

Therefore the Distance across the Pond is

x=391\ ft

8 0
3 years ago
A TV station is constructing an 8 foot tower for a new antenna. The tower will be supported by 3 cables, each attached to the to
natulia [17]
Hmm...  question 3
use <span>Pythagorean Theorem
aka:</span>
c^2  = a^2 + b^2

tda (treca digital academy)
lol

4 0
3 years ago
Given that line CD is a perpendicular bisector of triangle ABC, if side AB has a length of 11 and side AC has a length of 14 wha
nalin [4]

Answer:

12.87

Step-by-step explanation:

Since we know that line CD is a perpendicular bisector, triangle ACD is a right triangle, and thus we can apply the Pythagorean theorem to determine the length of side CD. Since the Pythagorean theorem states that a^2 + b^2 = c^2, where c is the hypotenuse and a and b are the adjacent sides, we can plug in the values of side AD and AC.

As side CD is the bisector of side AB, sides AD and DB are both half the length of side AB, so:
AD = 11/2
AD = 5.5

We now know two values of our equation, and thus we can solve for the missing third value.

5.5^2 + b^2 = 14^2
14^2 - 5.5^2 = b^2
196 - 30.25 = b^2
165.75 = b^2
\sqrt{165.75} = b
b = 12.87

4 0
2 years ago
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