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Vesna [10]
2 years ago
14

Can u please help me!

Mathematics
2 answers:
just olya [345]2 years ago
5 0

Answer:

1st one is 20  2nd one is 21

Step-by-step explanation:

likoan [24]2 years ago
5 0

Answer:

1: 20

2: 21

im not to sure tho

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PLEASE HELP!?!?!
nalin [4]
It’s b hope that helped have a great night
3 0
2 years ago
Can someone please help me with this, I'm having trouble
dexar [7]
This is another one for my "impossible math question" file. All of the answer choices are wrong. (None applies.)

According to the problem statement, the length you have marked "x" in the diagram is 15 inches. If the side length of one of the pavers is "s", then the Pythagorean theorem tells us
  s² + (2s)² = 15²
  5s² = 225
  s² = 225/5 = 45 . . . . . . the area of one square is 45 in² (not 225 in²)

Then
  s = √45 = 3√5 . . . . . . . the length of one side is not 5√3
so the perimeter is
  p = 4s = 4·3√5 in = 12√5 in ≈ 26.83 in . . . . not 75 inches.

The area of the 6-block L-shaped path is
  total area = 6s² = 6·45 in² = 270 in² . . . . not 450 in²

And the total perimeter is 14 sides, so is
  total perimeter = 14s = 14·3√5 in = 42√5 in . . . . not 60√3 in


_____
In cases like this where the answer key is incorrect, you might try asking your teacher show the class how to work the problem.
7 0
3 years ago
he isotope titanium-44 decays into scandium-44, with a half-life of 60 years. In a sample of titanium-44 containing 2 × 1010 ato
trapecia [35]
Work shown in the picture. There are 1.25 x 10^9 titanium-44 atoms and 1.875 x 10^10 scandium-44 atoms.

3 0
3 years ago
3/8 into a mixed number
GarryVolchara [31]

Answer:

296

Step-by-step explanation:

111/3 = 37

37 * 8 = 296


<u><em>Hope this helps :-)</em></u>

3 0
3 years ago
Identify the values of variables x, y, and z based on the image given of the angles formed by a transversal and parallel lines
Paul [167]

Answer:

x=62\\y=94\\z=94

Step-by-step explanation:

Let's start by identifying relevant angle theorems for two parallel lines cut by a transversal.

Alternate Interior Angles Theorem

Two angles that are on different sides of the transversal and inside of the two parallel lines are congruent (=).

Alternate Exterior Angles Theorem

Two angles that are on different sides of the transversal and outside of the two parallel lines are congruent (=).

Same-side Interior Angles Theorem

Two angles that are on the same side of the transversal and inside of the two parallel lines are supplementary (= 180).

Same-side Exterior Angles Theorem

Two angles that are on the same side of the transversal and outside of the two parallel lines are supplementary (=180).

Corresponding Angles Theorem

Two angles on a figure that correspond are congruent (=).

_

Now, let's look at the figure and apply these theorems.

z and 86 are same-side exterior angles, meaning they're supplementary:

z+86=180

Subtract 86 from both sides of the equation:

z=94

Now that we know our z value, let's recognize that z (94)corresponds to x+32, meaning they're congruent:

x+32=94

Subtract 32 from both sides of the equation:

x=62

Let's find the value of the angle:

(62)+32

Add:

94

Since the corresponding angles are of the same value, they're congruent, proving our x & z values correct.

_

Since y and the angle represented by the expression x+32 (94°) are alternate-interior angles, they are congruent:

y=94

5 0
3 years ago
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