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3 years ago

∠x and ∠y are supplementary angles. ∠y Measures 116੦. What is the measure of ∠x?

Mathematics

1 answer:

harkovskaia [24]3 years ago

3 0

Answer:

Step-by-step explanation:

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How do i solve y= -5 in lines in the xy plane ? im confused .

Ilia_Sergeevich [38]

Answer:

see the explanation

Step-by-step explanation:

we know that

The equation of a horizontal line is equal to the y-coordinate of the point that passes through it

In this problem we have

$y=-5$

This is a horizontal line (parallel to the x-axis)

The slope of this line is equal to zero

All points that pass through the line will have the same y-coordinate equal to -5

see the attached figure to better understand the problem

8 0

3 years ago

In kite WXYZ, mZWY = 41° and mXYW = 11° What is mWZY?

olchik [2.2K]

Answer:

128°

Step-by-step explanation:

In kite WXYZ, WY and XZ are longer and smaller diagonals respectively.

Longer diagonal bisects the opposite angles.

$\therefore m\angle ZYW =m\angle XYW$

$\because m\angle XYW = 11\degree... (given)$

$\therefore m\angle ZYW =11\degree$

$In\: \triangle WYZ$

$m\angle ZYW + m\angle ZWY + m\angle WZY=180\degree$

$11\degree + 41\degree+ m\angle WZY=180\degree$

$52\degree+ m\angle WZY=180\degree$

$m\angle WZY=180\degree - 52\degree$

$\purple{\bold {m\angle WZY=128\degree}}$

8 0

3 years ago

Using the function f(x) = 2x + 7 find the following: (show your work) f(2) and f(7)

Ksju [112]

All you have to do is substitute 2 and 7 in for x in the function.

f(2) = 2(2) + 7

= 11

f(7) = 2(7) + 7

= 21

5 0

3 years ago

Dmitri wants to cover the top and sides of this box with glass tiles that are 1 cm square. How many tiles

BigorU [14]

Answer:

372

Step-by-step explanation:

We are given that the dimensions of the box are,

Length = 15 cm, Width = 20 cm and Height = 9 cm.

We know that the box represents a cuboid.

Since, surface area of a cuboid = L×W + 2×L×H + 2×W×H

Thus, the surface area of the box = 15×20 + 2×15×9 + 2×20×9

i.e. Surface area = 300 + 270 + 360

i.e. Surface area = 930.

Thus, the surface area of the box is 930 cm² i.e. 9300 mm².

Further, the sides of the tiles are 5 mm and the tile represents a square.

So, the surface area of the tile = 5 × 5 = 25 mm².

This gives us that,

Number of tiles required to cover the box = = 372.

Hence, Dmitri requires 372 tiles to cover the box.

5 0

3 years ago

The line of reflection is and the coordinates of C are

qaws [65]

Points A′, B′, and D′ are shown, but the line of reflection and point C′ are not . coordinates of C from the graph = (4,2) If the coordinates of C'=(6,2) we can see that value of y isn't change with reflection therefore the line of reflection would be x= ordinate of C'+ ordinate of C divided by 2=6+4 divided by 2=10 divided by 2=5. Therefore, the line of reflection must be x=5.

3 0

3 years ago