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Step-by-step explanation:

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Angle of depression of the slope is 24. degree.

Angle of depression is equal to the angle of elevation.

sine = the vertical drop/ the ski slope

sine = 100/250

      = 2/5 = 0.4.

sine - 1 (0.4) = 23.57 which is about 24 degree.

Therefore, the correct angle of depression of the slope is approximately 24 degree.

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Answer:

Two triangles are congruent if they meet one of the following criteria. : All three pairs of corresponding sides are equal. : Two pairs of corresponding sides and the corresponding angles between them are equal. ... and another pair of corresponding sides are equal in two right triangles.

Answer:

A

Step-by-step explanation:

cuz  im smart

Answer:

20/12

hope this helps

have a good day :)

Step-by-step explanation:

Answer:

83.61

Step-by-step explanation:

90 decreased by 7.1% = 83.61

Mark my answer as brainliest please.

Answer:

answer =83.61

Step-by-step explanation:

90( 1 - 7.1 / 100 )

lets break it down

step 1: 7.1 / 100 = 0.071

step 2: 1 - 0.071 = 0.929

step 3: 90 x 0.929 = 83.61

final answer = 83.61

Answer:

6x-36=120

6x=120+36

6x=156

x=26

Answer:

X is equal to 26

Step-by-step explanation:

this is becasue 6x-36 is equal to 120 there for you can move the 36 over to make 156 so now you have 6x=156 now you just divide by 6 leaving you with x=26

hope this helps

Answer:

45

Step-by-step explanation:

6a 6b

2 : 3

30 : x

30×3

2

=45

Answer:

3x-2y

Step-by-step explanation:

2y must be subracted

Answer:

3.315

Step-by-step explanation:

[tex] \frac{1}{2} \times 1.7 \times 3.9 = 3.315[/tex]

Answer:

c

all the other numbers are too high

Answer:

C. 70

Step-by-step explanation:

Step-by-step explanation:

● 5(x+9)

● 5 (5)

● 5×9=45

● 5×5=25

● 45+25=70

Answer:

Your value of z is 71 degrees. The value of x is 11.

Step-by-step explanation:

You can determine the value of z by knowing that z and the 71 angle are vertical angles. Vertical angles are congruent to each other. We know that the x angle and the 71 angle are supplementary, or that they equal 180. So, set up the equations, and solve for x. :

[tex]180=71+(9x+10)\\180=81+9x\\99=9x\\x=11\\[/tex]

Answer:

The circle is centered at (9, -8) and diameter 8.

Step-by-step explanation:

(x-h)^2 +(y-k)^2 =r^2

(x-9)^2+(y+8)^2=4^2

Center: (h,k) = (9,-8)

Radius: r=4

The circle is centered at (9, -8) and radius is 4 or diameter 8.

Answer:

prairie dog

Step-by-step explanation:

because this eats the other organisims

Answer:

2.9 cm³

Step-by-step explanation:

Note: For the copper and the lead to balance, they must have thesame mass.

Applying,

D' = m'/V.................... Equation 1

Where D' = density of the lead, m' = mass of the lead, V = Volume of the lead.

make m' the subject of the equation

m' = D'V................ Equation 2

From the question,

Given: D' = 11.4 g/cm³, V = 2.28 cm³

Substitute these values into equation 2

m' = (11.4×2.28)

m' = 25.992 g

Similarly,

for copper,

D = m/V............... Equation 3

Where D = density of  copper, m = mass of copper, V = volume of copper.

make V the subject of the equation

V = m/D.............. Equation 4

where, m = m' = 25.992 g

Given: D = 8.96 g/cm³

Substitute these values into equation 4

V = 25.992/8.96

V = 2.9 cm³

The round off of 4.776 to the nearest hundred results in 4.800.

To round 4.776 to the nearest hundred

Focus at the digit in the hundredth's place, which is the second decimal place.

In this case, the digit in the hundredth's place is 7.

Since 7 is greater than or equal to 5, we round up the previous digit, which is 7.

Therefore, rounding 4.776 to the nearest hundred results in 4.800.

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Answer:

well time has to be on the X-axis because it is an independent variable

as a distance will be dependent variable Y-axis

Answer: the y-intercept is 1/2

Answer:

7

Step-by-step explanation:

7

Answer:

2/11

Step-by-step explanation:

There are 11 tiles and 2 of the have R's on them, so it is 2 out of 11, or 2/11

Answer:

[tex]perimeter = 15 + 7 + 8 + (12 - 8) + (15 - 8) + 12 \\ = 53 \: mm[/tex]

The perimeter of the figure is 70 mm.

Option B is the correct answer.

A rectangle is a 2-D shape with length and width.

The length and width are different.

If the length and width are not different then it is a square.

The area of a rectangle is given as:

Area = Length x width

We have,

The figure has two rectangles.

Bigger rectangle.

Length = 15 mm

Width = 12 mm

Smaller rectangle.

Length = 8 mm

Width =  (12 - 7) mm = 5 mm

Now,

The perimeter of the figure.

= 12 + 15 + 7 + 8 + 5 +  (15 + 8)

= 12 + 15 + 7 + 8 + 5 + 23

= 70 mm

Thus,

The perimeter of the figure is 70 mm.

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Answer:4

Step-by-step explanation:

1/2 cups equal 120 ml

so we have 500 ml and in order to find how many 1/2 cup can you find 500ml

ans = 500/120 = 4.16666666667 now we will try to convert it into a whole number which equal to four (4)

Answer:

2/3 and 8/12

hope this helps

have a good day :)

Step-by-step explanation:

GIVEN: The perimeter of triangle STU is  125.

The segments TW=21 cm

VW=30 cm

VT=24 cm

TO FIND: The length of the segment SU.

SOLUTION:

As corresponding sides must be same. so we have,

[tex]\frac{TV}{TS}=\frac{TW}{TU}\\\\ \frac{24}{TS}=\frac{21}{TU}\\\frac{TU}{TS}=\frac{7}{8}=k(say)\\[/tex]

Then, TU=7k and TS=8k

[tex]\frac{TV}{TS}=\frac{VW}{SU}\\\\ \frac{24}{TS}=\frac{30}{SU}\\\frac{24}{8k}=\frac{30}{SU}\\SU=10k[/tex]

As the perimeter of triangle STU is  125.

so,

8·k+7·k+10·k=125

⇒25.k=125

⇒k=5

Therefore, SU=10×5=50

Answers:

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Explanation:

The point estimate is the midpoint of the two ends. We add up the endpoints and divide by 2 to get the midpoint. We have p = 0.43 and q = 0.55, so we get the midpoint (p+q)/2 = (0.43+0.55)/2 = 0.98/2 = 0.49, then this converts to 49%. Meaning 49% is exactly at the midway point of 43% and 55%

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The margin of error is the distance from the midpoint to either endpoint. If we try to aim for 49%, but have some error, then we have an error of 55-49 = 6%, or we could say 49-43 = 6%; either way the margin of error is 6 percentage points.

The formula we can use is (q-p)/2 where p and q are the left and right endpoints of the interval. So in this case, we'd have,

(q-p)/2 = (0.55-0.43)/2 = 0.12/2 = 0.06 = 6% margin of error

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Side note: We can think of it as if 49 is the center and 6 is the radius of the circle. We want to hit the center of the circle, but we have an error of 6 (meaning that's how far we could go in either direction).

Answer:

4th option

Step-by-step explanation:

The equation of a circle in standard form is

(x - h)² + (y - k)² = r²

where (h, k) are the coordinates of the centre and r is the radius

(x + 4)² + (y + 5)² = 64 ← is in standard form

with h = - 4, k = - 5 and r = [tex]\sqrt{64}[/tex] = 8

centre = (- 4, - 5) and r = 8

Answer:

The answer is C

Step-by-step explanation:

Answer: The line is y=-3x+3

Step-by-step explanation:

Its decreasing by 3 shown in the line so it would -3 and the equation for the  line would be y=-3x+3 as you said.