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neonofarm [45]
3 years ago
7

1. Mr. Morrison has decided that an angle of 15° is

Mathematics
1 answer:
Rasek [7]3 years ago
3 0

Answer:

the height of the front doorstep is 12 cm

angle given is 15 degree

so, the length of the ramp wooden peice should be 44.7

mark me brainliest plsss

plssss

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Determine the slope and y -intercept for each line shown. Then write the equation of the line (will give Brainliest)
Pavlova-9 [17]

Answer:

1.

y=\frac{1}{4}x+2

m= \frac{1}{4}

b= 2

2.

y=-\frac{1}{3}x+1

m= -\frac{1}{3}

b= 1

3.

y=3x+4

m= 3

b=4

Step-by-step explanation:

1. The line intersects the y-axis at the point (0,2) therefore its y-intercept is b=2.

The line rises up 1 unit on the y-axis for every 4 units on the x-axis therefore the line has a slope of m=1/4.

Considering the equation of a line (y=mx+b), we plug in the variables we have found into the formula to find that y=\frac{1}{4}x+2

2. The line intersects the y-axis at the point (0,1) therefore its y-intercept is b=1.

The line down up 1 unit on the y-axis for every 3 units on the x-axis therefore the line has a slope of m= -1/3.

Considering the equation of a line (y=mx+b), we plug in the variables we have found into the formula to find that    y=-\frac{1}{3}x+1

3. The line intersects the y-axis at the point (0,4) therefore its y-intercept is b=4.

The line rises up 3 units on the y-axis for every 1 unit on the x-axis therefore the line has a slope of m=3.

Considering the equation of a line (y=mx+b), we plug in the variables we have found into the formula to find that  y=3x+4

3 0
2 years ago
I WILL MARK BRAINLIEST PLEASE HELP !! Determine whether the two triangles are similar.
soldi70 [24.7K]

The two triangles are similar by SSA similarity. Option B is correct.

<h3>What is the triangle?</h3>

A triangle is a three-sided polygon. It is one of the most fundamental geometric forms.

If the ratio of the sides are same as well as the one angle is common between the two triangles then in that condition there will be SSA similarity.

From the triangle ABC and DEC

The ratio of the sides is;

\rm  \frac{10}{12}= \frac{8}{9.6} \\\\ \frac{5}{6}= \frac{5}{6}

One angle c is common in the two triangles.

The two triangles are similar by SSA similarity.

Hence, option B is correct.

To learn more about the triangle, refer to:

brainly.com/question/2773823

#SPJ1

3 0
2 years ago
What is the equation of this line in standard form?
bazaltina [42]

Answer:

Step-by-step explanation: 11x-6y=13

7 0
3 years ago
Read 2 more answers
Is point (2,1) on the the line represented by the equation x+2y=5
Sphinxa [80]
To check if this point lies on the line, plug in a 2 for x and a y for 1 and solve

x+2y=5
2+2(1)=5
4=5

Since this statement isn't true, then the point doesn't lie on the line

Hope this helps

6 0
3 years ago
Read 2 more answers
A stockbroker has kept a daily record of the value of a particular stock over the years and finds that prices of the stock form
amid [387]

Answer:

$12.43

Step-by-step explanation:

Given :

Mean = $8.52

Standard deviation, = $2.38

Stock price which falls beyond 0.05 of the distribution is at the 95th percentile

The 95th percentile distribution has a Pvalue of 1.645 (standard normal table)

We obtain the value of x, with z = 1.645

Using the Zscore relation :

Zscore = (score - mean) / standard deviation

1.645 = (score - 8.52) / 2.38

Cross multiply :

1.645 * 2.38 = score - 8.52

3.9151 = score - 8.52

Score = 8.52 + 3.9151

Score = $12.4351

Stock price beyond 0.05 is $12.43

8 0
2 years ago
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