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Dima020 [189]
3 years ago
10

The measure of Angle E, the angle of elevation from point A to point B, is left-parenthesis 3 x plus 1 right parenthesis-degrees

. The measure of Angle D, the angle of depression from point B to point A, is 2 left-parenthesis x plus 8 right parenthesis-degrees. Find the measure of each angle.
A. measure of angle E equals 22 degrees comma measure of angle D equals 30 degrees
B. measure of angle E equals 15 degrees comma measure of angle D equals 15 degrees
C. measure of angle E equals 46 degrees comma measure of angle D equals 46 degrees
D. measure of angle E equals 52 degrees comma measure of angle D equals 50 degrees
Mathematics
1 answer:
Orlov [11]3 years ago
6 0
Angle E and D are 46* C
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Four people recorded the miles they drove and the time they spent driving. The table below shows
Irina-Kira [14]

Answer:

C: Charles

Step-by-step explanation:

165 miles divided by 6 hours

165/2.5

66 miles in one hour

8 0
3 years ago
Amar is five years older than his sister. The sum of their ages is 39. Find Amar's age.
Vesna [10]
Amar's age = a
sister is a - 5
add both = 39
a + (a - 5) = 39
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a = 22 and sister is 17
7 0
3 years ago
Lisa uses her hair dryer daily dryer uses 1500 watts. it take 10 mintes to dry her hair each time she uses it. how much would it
Volgvan

Answer:

Step-by-step explanation:

The answer is $11.55 for the week.

1) Since 1 watt is 0.001 kilowatts, 1500 watts is 1.5 kilowatts.

2) Multiply that by 7 for the week and that equals 10.5.

3) It takes her 10 minutes each day, so it takes 70 minutes per week, that is also 1.1 hours.

4) Multiply 10.5 kilowatts by 1.1 hours and you get 11.55.

5) The answer is $11.55 per week to dry Lisa's hair.

3 0
3 years ago
The base of a rectangular prism has a length of 4 centimeters and has a width of 2 centimeters.The height of the prism is 3 cent
coldgirl [10]
Answer:
24
Explanation:
V = whl (width times height times length)
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6 0
2 years ago
Which representation of a transformation on a coordinate grid does not preserve congruence?
Alex17521 [72]

Answer:

B

Step-by-step explanation:

Consider all options:

A. Transformation with the rule

(x,y)\rightarrow (x,-y)

is a reflection across the x-axis.

Reflection across the x-axis preserves the congruence.

B. Transformation with the rule

(x,y)\rightarrow \left(\dfrac{7}{8}x,\dfrac{7}{8}y\right)

is a dilation with a scale factor of \frac{7}{8} over the origin.

Dilation does not preserve the congruence as you get smaller figure.

C. Transformation with the rule

(x,y)\rightarrow (x+6,y-4)

is a translation 6 units to the right and 4 units down.

Translation 6 units to the right and 4 units down preserves the congruence.

D. Transformation with the rule

(x,y)\rightarrow (y,-x)

is a clockwise rotation by 90^{\circ} angle over the origin.

Clockwise rotation by 90^{\circ} angle over the origin preserves the congruence.

3 0
3 years ago
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