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VLD [36.1K]
2 years ago
9

What is the measure of the angle?​

Mathematics
2 answers:
Alex17521 [72]2 years ago
7 0

Answer:

it a 90 degree angle hope this helps:)

Step-by-step explanation:

GrogVix [38]2 years ago
6 0
90 degrees. Hope this helps…………
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If a line with a slope of -2 crosses the y-axis at (0, 3), what is the equation of the line?
Karo-lina-s [1.5K]

Answer: Option D

y +2x = 3

Step-by-step explanation:

The equation of a line in the form of "slope-interception" has the following form:

y = mx + b

Where m is the slope of the line and b is the interception of the line with the y axis.

In this case we know that the line has a slope of -2. Then m = -2.

We also know that the line intercepts the axis y at the point (0, 3) therefore we know that:

b = 3.

Finally the equation of the line will be:

y = -2x + 3

If we add 2x on both sides of the equation we get:

y +2x = 3

The answer is the option D

5 0
3 years ago
What is the exact amount of water our body contains?​
mr Goodwill [35]

Answer:

Up to 60% of the human adult body is water.

Step-by-step explanation:

4 0
2 years ago
Read 2 more answers
Five years ago, John's age was half of the age he will be in 8 years. How old is he now?
notka56 [123]
J-5=0.5J+8
J=0.5J+13
0.5J=13
J=26
8 0
2 years ago
Read 2 more answers
A triangle is isosceles is the altitude from the vertex angle to the base also passes through the midpoint of the base. What are
leonid [27]

Answer:

The answer to your question is  7 and -1/7

Step-by-step explanation:

Data

First line                        Second line

B (4, 4)                            A (0, 1)

M (3.5, 0.5)                     C (7, 0)

Formula

Slope = m = (y2 - y1) / (x2 - x1)

Process

1.- Calculate the slope of the first-line

    x1 = 4        y1 = 4

    x2 = 3.5    y2 = 0.5

-Substitution

    m = (0.5 - 4) / (3.5 - 4)

-Simplification

     m = -3.5 / -0.5

-Result

     m = 7

2.- Calculate the slope of the second line

    x1 = 0          y1 = 1

    x2 = 7         y2 = 0

-Substitution

   m = (0 - 1) / (7 - 0)

-Simplification

   m = -1/7

-Result

   m = -1/7  

5 0
3 years ago
the times of all 15 year olds who run a certain race are approximately normally distributed with a given mean
Butoxors [25]

The percentage of the runners who have times less than 14.4 sec is  0.15%

The times of all 15-year old who run a certain race are approximately normally distributed with a given mean of 18 sec and a standard deviation of 1.2 sec.

We know that,

where,

X = raw score = 14.4

μ = mean = 18

σ = standard deviation = 1.2

Putting the values,

Finding the probability from the z score table, we get

P(z < -3) = 0.00135 = 0.135%

Disclaimer: The question is incomplete. Please read below to find the missing content.

Question: The times of all 15-year-olds who run a certain race are approximately normally distributed with a given mean of 026-1 = 18 seconds and a standard deviation of 026-2. = 1.2 sec. What percentage of the runners have times less than 14.4 seconds?

0.15%

0.15%

0.30%

0.60%

2.50%

Learn more about percentages here brainly.com/question/809966

#SPJ4

8 0
1 year ago
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