MATHEMATICS HIGH SCHOOL

Please can someone help me solve the question in the picture 10 points plus brainliest!!!​
please can someone help me solve the question in the - 1

Answers

Answer 1
Answer:

Answer:

E. 2 1/2

E. 8.5 cm

C. 6 cm

Step-by-step explanation:

4............................

Scale factor = AE/AC = (4+6)/4 = 10/4 = 2.5

Correct option isE. 2 1/2

5............................

DE = ?

  • DE = √AD² - AE² = √15² - 10² = √125 = 5√3 ≈ 8.66
  • For measure of AD see next question (6)

Close option isE. 8.5 cm

6............................

AB = ?

  • AD/AB = 2.5 the scale factor as per question 4
  • (AB + 9)/AB = 2.5
  • 2.5*AB = AB + 9
  • 1.5*AB = 9
  • AB = 9/1.5
  • AB = 6 cm

Correct optionC. 6 cm

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14 1/4 - 10 3/7 Reduce to lowest form....
step by step to see if my answer your answer

Answers

14 (1)/(4)= (14\cdot4+1)/(4)= (57)/(4)

10 (3)/(7)= (10\cdot7+3)/(3)= (73)/(7)

\hbox {So, you have now } (57)/(4)-(73)/(7)=(57\cdot7)/(4\cdot7)-(73\cdot4)/(7\cdot4)= (399)/(28)-(292)/(28)=\boxed {(107)/(28) }=\boxed { 3(23)/(28) }
make them improper fractions:
14 1/4 would be 57/4
10 3/7 would be 73/7
Make them the same common denominator:
Times 57/4 by 7/7 =399/28
Times 73/7 by 4/4 =292/28
Now subtract them:
107/28 
Now Simplify:
107/28= (3*28+23)/28=3+23/28= 3 23/28
The Answer:
3 23/28

Given the points A(0, 0), B(e, f), C(0, e) and D(f, 0), determine if line segments AB and CD are parallel, perpendicular or neither. a.parallel
b.perpendicular
c.neither

Answers

The slope:
m = rise / run;
For the line segment AB:
m AB = (y 2 - y 1) /(x 2 - x 1) = ( f - 0 ) / ( e - 0 ) = f / e
For the line segment CD:
m CD = ( 0 - e ) / ( f - 0 ) = - e / f
m CD = - 1 / m AB
Answer:
The lines are  B ) perpendicular 

Answer:

b.perpendicular

Step-by-step explanation:

Please help. I have been stuck for days now

Answers

Answer:

∠RWT

Step-by-step explanation:

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Answers

6• (7r-3) I got this question using my calculator please let me know how you feel have a great day

Answer:

I'm working during the same thing

Consider the following system of equations: y = −2x + 3
y = x − 5

Which description best describes the solution to the system of equations?

Lines y = −2x + 3 and y = 3x – 5 intersect the x-axis.

Line y = −2x + 3 intersects line y = x − 5.

Lines y = −2x + 3 and y = 3x − 5 intersect the y-axis.

Line y = −2x + 3 intersects the origin.

Answers

Answer:

Liney=-2x+3 intersects line y=x-5

Step-by-step explanation:

We are given that

y=-2x+3

y=x-5

Subtract one equation from other then we get

-3x+8=0

3x=8

x=(8)/(3)

Substitute the value of x in first equation then we get

y=-2((8)/(3))+3=-(16)/(3)+3=-(-7)/(3)

Hence, the solution ((8)/(3),-(7)/(3)) is the intersection point of two line  equations .

Answer:Liney=-2x+3 intersects line y=x-5

THE answer is B. Line y = −2x + 3 intersects line y = x − 5.

Explanation:

(I got it correct on the quiz)

PROOF:

During scuba lessons, Sue dove 30 feet, Harriet dove 120 feet, and Kathy dove 90 feet.What integers represent these depths? Order the integers from least to greatest. (Remember, the depth is underneath the surface of the water.)

Answers

120, 90, 30 if you're going from the depths of the water to water level
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