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kap26 [50]
3 years ago
5

Use the figure below to answer questions 10-11.

Mathematics
1 answer:
Anton [14]3 years ago
5 0

The two marked angles are complementary angles. This means that the angles are equal.

Hence, X + 1 = 2X - 3.

By rearranging, X = 4.

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Jack has two jobs. One job is at a gas station where he earns $11.00/hr and works 8 hours per week. His other job is walking dog
defon

Answer:

$208

Step-by-step explanation:

Jack has two jobs

The first one, he works at a gas station where he earns $11/hr, he works for 8 hours in a week

= 11×8

= 88

The second one he earns $120/week for walking dogs

Therefore the total money Jack earns in a week can be calculated as follows

= 120+88

= 208

Hene jack earns $208 in a week

8 0
3 years ago
Please help me solve this
NikAS [45]

Answer:

uhhhhhhhhhhhhhhhhh

Step-by-step explanation:

i wish i knew

6 0
2 years ago
How do we use the Pythagoras theorem in "everyday life".
DochEvi [55]
I use it all the time, but as my profession is engineering, mathematics is integral in my everyday life. I usually do it when evaluating for the magnitude of vector force components. Usually in 2D space, so Pythagorean theorem is quite useful.
5 0
3 years ago
PLEASE HELP ME WITH THESE QUESTIONS!!
Varvara68 [4.7K]

Answer:

3. [1, −2]

2. [−3, 3]

1. [−7, 10]

Step-by-step explanation:

3.

{7⁄2x - ½y = 9⁄2

{3x - y = 5

-6⁄7[7⁄2x - ½y = 9⁄2]

{−3x + 3⁄7y = −3 6⁄7 >> New Equation

{3x - y = 5

_________________

-4⁄7y = 1 1⁄7

-2 = y [Plug this back into both equations above to get the x-coordinate of 1]; 1 = x

__________________________________________________________

2.

{−3x + 9y = 36

{4x + 12y = 24

¾[4x + 12y = 24]

{−3x + 9y = 36

{3x + 9y = 18

______________

18y = 54

___ ___

18 18

y = 3 [Plug this back into both equations above to get the x-coordinate of −3]; −3 = x

__________________________________________________________

1.

{4x − y = −38

{x + y = 3

_____________

5x = -35

___ ____

5 5

x = -7 [Plug this back into both equations above to get the y-coordinate of 10]; 10 = y

I am joyous to assist you anytime.

3 0
3 years ago
Find the value of x for which ABCD must be a parallelogram.
Inessa [10]
Hey there!

You can tell that the two angles are congruent because of the arc. So make the two angles each other.
3x-17=25-3x. Add 3x to each side. You get 6x-17=25. Add 17 to each side to get 6x=42. Divide each side by 6. You get x=7. So the value of x would be 7.

I hope this helps!
3 0
2 years ago
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