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4 years ago

13

Yesterday , the snow was 2 feet deep in front of archies house. Today, the snow depth dropped to 1.6 feet because the day is so

warm.What is the percent change in the depth of the snow?

2 answers:

anygoal [31]4 years ago

8 0

80% is still left, therefor the percent change is 20%

olga55 [171]4 years ago

6 0

Earlier snow depth = 2 feet
later snow depth = 1.6 feet

change
2 - 1.6
0.4 feet

percentage change
(0.4 / 2) * 100
20 %

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T is directly proportional to M.

zaharov [31]

By proportionality, for any number $a$ , if T is multiplied by $a$ then the same goes for M.

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b) T has been divided by $2$ hence $M=\dfrac{4}2$

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4 years ago

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Plss answer my question..<br><br>

Kipish [7]

Answer:

<em>Gradient of KL = 2</em>

Step-by-step explanation:

From the diagram, we are to calculate the gradient of KL. Gradient is salso known as the slope of the line.

Gradient of KL = ΔOK/ΔOL

Given

OK = 2OL

Substitute into the formula

From the diagram, ΔOL = -5

ΔOK = 2ΔOL

ΔOK = 2(-5)

ΔOK = -10

Hence;

Gradient = -10/-5

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3 years ago

Express sin A, cos A, and tan A as ratios

vlabodo [156]

<h3>Answer: Choice B</h3><h3>sqrt(3)/2, 1/2, sqrt(3)</h3>

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Explanation:

Sine of an angle is the ratio of the opposite side over the hypotenuse. For reference angle A, the opposite side is BC = 6sqrt(3). The hypotenuse is the longest side AB = 12

Sin(angle) = opposite/hypotenuse

sin(A) = BC/AB

sin(A) = 6sqrt(3)/12

sin(A) = sqrt(3)/2

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Cosine is the ratio of the adjacent and hypotenuse

cos(angle) = adjacent/hypotenuse

cos(A) = AC/AB

cos(A) = 6/12

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Tangent is the ratio of the opposite and adjacent

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3 years ago

Please help me with this trigonometry question. Brainliest available.

faltersainse [42]

Considering the angle a by cosine rule
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Cos(a) =153/210 =0.729
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Considering angle b
7^2=15^2 +11^2 -2(11)(15) cos(b)
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2 years ago

G(-2, 5), H(6, 5), J(6, -1)<br> 17. Find the coordinates of the centroid.

adell [148]

The coordinates of centroid are: (10/3, 3)

Step-by-step explanation:

The formula for calculating centroid of a triangle is:

$(x,y) = (\frac{x_1+x_2+x_3}{3},\frac{y_1+y_2+y_3}{3})$

Here (x1,y1) are the coordinates of first vertex

(x2,y2) are the coordinates of second vertex

(x3,y3) are the coordinates of third vertex

Given:

G(-2,5) = (x1,y1)

H(6,5) =(x2,y2)

J(6,-1) = (x3,y3)

Let I be the centroid of the triangle

Putting the values in the formula

$I(x,y) = (\frac{-2+6+6}{3},\frac{5+5+-1}{3})\\= (\frac{10}{3},\frac{9}{3})\\=(\frac{10}{3},3)$

The coordinates of centroid are: (10/3, 3)

Keywords: Centroid, Triangle

Learn more about centroid at:

#LearnwithBrainly

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4 years ago