1answer.
Ask question
Login Signup
Ask question
All categories
  • English
  • Mathematics
  • Social Studies
  • Business
  • History
  • Health
  • Geography
  • Biology
  • Physics
  • Chemistry
  • Computers and Technology
  • Arts
  • World Languages
  • Spanish
  • French
  • German
  • Advanced Placement (AP)
  • SAT
  • Medicine
  • Law
  • Engineering
avanturin [10]
3 years ago
14

I do n't understand please help?

Mathematics
2 answers:
Lyrx [107]3 years ago
7 0

Answer:

1.  145-(3squared times 4)=109

2. 45 divided by 9 times 12-8= 52

3.  2 squared +3 times 4-12= 4

4.[155-(3 times 9) times 2] -12= 89

5. [(6 times 2) +(5 times 5)  times 3= 111

6. 2 times {15+[24-(1.5 times 2)]}= 72

Step-by-step explanation:

(BOMDAS) brackets, operations, multiplication, division, addition, subtraction

1. (deal with the brackets first)

3 squared=9 then times by 4 =9*4=36

so..

145-36=109

2. (start with division )

45 divided by 9 =5

so

5 times 12-8= 52

3. 2 squared = 4

4 times 3 =12

so

4+12-12 =4

4.  (deal with brackets first)

3 times 9 = 27

27 times 2=  54

155-54= 101

101-12=89

5. (deal with the brackets first)

6 times 2 =12    

5 times 5=25

so 12+25=  37 times 3 = 111

6.  (deal with the brackets first)

1.5 times 2= 3

24-3= 21

15+21=36

2 times 36= 72

hope this helps!!!

 

Blizzard [7]3 years ago
3 0
1) 109 Explanation: do what is in the () first so 3^2 is going to turn into 9 which is the equation is now going to be 145-(9x4). 9x4 is 36 so it is 145-36 which gives you 109.
2) 52 Explanation: 45 divided by 9 is 5 then 5 times 12 gives you 60. equation now is 60-8 which equals 52.
3) 4 Explanation: 3 times 4 is 12. equation now is 2^2+12-12. all is left is 2^2 which is 4.
4) 89
5)111
6)72
You might be interested in
Can someone help me solve for x?
Marizza181 [45]

Answer:

The answer is 20! : ) Hope this helps!!

Have a good day or night (wherever you are)!

Step-by-step explanation:

7 0
3 years ago
Find the slope of the line containing the given points
Luden [163]

Answer:

-9/8

Step-by-step explanation:

The two points given are

(1,6) and (9,-3)

The slope is given by

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

   = (-3-6)/(9-1)

   = -9/8

8 0
2 years ago
What is 5x -2=38<br> A 36<br> B 8<br> C 7<br> D 13
GrogVix [38]
Move constant over (5x=38+2), combine terms (5x=40), divide both sides by 5 (x=8)
6 0
3 years ago
Solve using the quadratic formula.<br> 7q² – 9q- 1=0
Mama L [17]

Answer:Q=1.39 or -0.103

Step-by-step explanation:

6 0
3 years ago
Enter the correct answer in the box. solve the equation x2 − 16x 54 = 0 by completing the square. fill in the values of a and b
poizon [28]

The roots of the given polynomials exist  $x=8+\sqrt{10}$, and $x=8-\sqrt{10}$.

<h3>What is the formula of the quadratic equation?</h3>

For a quadratic equation of the form $a x^{2}+b x+c=0$ the solutions are

$x_{1,2}=\frac{-b \pm \sqrt{b^{2}-4 a c}}{2 a}$

Therefore by using the formula we have

$x^{2}-16 x+54=0$$

Let, a = 1, b = -16 and c = 54

Substitute the values in the above equation, and we get

$x_{1,2}=\frac{-(-16) \pm \sqrt{(-16)^{2}-4 \cdot 1 \cdot 54}}{2 \cdot 1}$$

simplifying the equation, we get

$&x_{1,2}=\frac{-(-16) \pm 2 \sqrt{10}}{2 \cdot 1} \\

$&x_{1}=\frac{-(-16)+2 \sqrt{10}}{2 \cdot 1}, x_{2}=\frac{-(-16)-2 \sqrt{10}}{2 \cdot 1} \\

$&x=8+\sqrt{10}, x=8-\sqrt{10}

Therefore, the roots of the given polynomials are $x=8+\sqrt{10}$, and

$x=8-\sqrt{10}$.

To learn more about quadratic equations refer to:

brainly.com/question/1214333

#SPJ4

3 0
1 year ago
Read 2 more answers
Other questions:
  • What is the zero (x intercept) of the following equation y = 2/5x + 5
    13·1 answer
  • Name one advantage of the metric system over the customary system.
    5·2 answers
  • Delaney has 4 times as many books as she has movies. If she buys 15 more movies ( but no more books ), her ratio of movies to bo
    14·1 answer
  • What is the total surface area of a right rectangular prism with a base of 2 cm by 3 cm and a height of 6 cm? A) 13 cm2. B) 72 c
    14·2 answers
  • A metric unit of mass that is equal to its a fraction 1/1000 of a gram is called a what??
    8·1 answer
  • Y=-3/2x+8 find slope and y intercept
    14·2 answers
  • James has $120 in his savings account and
    11·1 answer
  • IM GIVING 100 POINTS AND BRAINLIEST JUST VERIFY ALL THESE QUESTIONS ARE CORRECT IF THEY'RE NOT CORRECT TELL ME, PLEASE AND THANK
    15·2 answers
  • Can someone please help me out again?
    5·1 answer
  • Find the quotient. Express your answer as a simplified fraction. 3/10 divided by 3.8
    7·2 answers
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!