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77julia77 [94]
3 years ago
7

This is timed please help

Mathematics
2 answers:
Naya [18.7K]3 years ago
7 0
B. All real numbers greater than -1
lana66690 [7]3 years ago
3 0

Answer:

B.) All Real numbers greater than -1

<em><u>Unit Test Answers: For a 92%</u></em>

<em>**Go to question number 18 for the answer!**</em>

( Marking me brainliest would be great)

1.) B -3/2

2.)A -9

3.) B- b>0 and b\neq 1

4.)A

5.) D all real numbers greater than 3

6.)D 110Db

7.)C 5

8.)D 80

9.)B 3 times louder

10.)D

11.)A y<0

12.)A

13.)B

14.)D x=95

15.)B

16.)C x=-4

17.)B x=4

18.)B - All real numbers greather than -1

19.)A - Approximately x=0.46

20.)C 1/4

21.)D - 4logx + 1/2 log12 (x^2-2)- 5log 12 (x+1)

22.) C 1.5

23.)A -1

24.)D Translate each point 3 units to the left

25.)D 1.796

<u>I got a total of 92% which is a total of 23/25 two are wrong.</u>

It's a great grade !

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PLEASE SOLVE QUICKLY I WILL MAKE YOU BRAINLIEST!!!
Solnce55 [7]

Answer:

x=25°, y=18°

Step-by-step explanation:

Solved! Here is the explanation. As we have supplementary angles, we have a total of 180° of angles. Angle BXD is a right angle, so 2x+40°=90°. 2x=50°, and then we have x=25°. Now, to figure out y, we have to look at angle BXA. In this case, 5y=90°. y=18°. So, x=25° and y=18°. Hope this explanation helps!

6 0
3 years ago
Complete the equation of the line whose y- intercept is (0,5) and slope is -9
KonstantinChe [14]

Answer:

y= -9x+5

Step-by-step explanation:

i hope this helps :)

8 0
3 years ago
CORRECT answer gets brainliest.
zzz [600]

Answer:

Step-by-step explanation:

i believe it the answer should be x=3 and y=2

6 0
3 years ago
You have an office building that is 600 square feet in area. What are two possible dimensions how your office could be construct
stepan [7]

Answer:

20\ ft  by  30\ ft

15\ ft  by  40\ ft

Step-by-step explanation:

In this problem I'm assuming the office is rectangular.

so

The area of rectangle is equal to

A=LW

where

L is the length of the rectangle

W is the width of the rectangle

In this problem we have

A=600\ ft^{2}

so

600=LW ------> equation A

Find two possible dimensions of the office

case A) Assume  a length side L and find the value of W in the equation A

so

For L=30\ ft

substitute in the equation and solve for W

600=(30)W

W=600/30=20\ ft

The dimensions are 20\ ft  by  30\ ft

case B) Assume  a length side L and find the value of W in the equation A

so

For L=40\ ft

substitute in the equation and solve for W

600=(40)W

W=600/40=15\ ft

The dimensions are 15\ ft  by  40\ ft

8 0
3 years ago
I need the answer to this please
11111nata11111 [884]

Answer:

Step-by-step explanation:

Alright, lets get started.

When two secants intersects outside a circle then the measure of the angle formed is half of the positive difference of the measures of the intercepted arcs. (Please refer the diagram I have attached)

Hence the measure of ∠1 is :

∠1=\frac{1}{2}(100-30)

∠1=\frac{1}{2}*70=35

hence the answer is 35°.    :    Answer

Hope it will help :)


5 0
3 years ago
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