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
Nataly [62]
3 years ago
11

Simplify: −7 + {12 − 3[50 − 4(2 + 3) ] }

Mathematics
1 answer:
DedPeter [7]3 years ago
6 0

Answer:

-85

Step-by-step explanation:

<em><u>1) (2 + 3)</u></em>

-7 + {12 - 3[50 - 4(5) ] }

<em><u>2) -7 + {12 - 3[50 - 20] }</u></em>

-7 + {12 - 3[30] }

<em><u>3) -7 + 12 - 90</u></em>

5 - 90

<u>Answer: -85</u>

You might be interested in
Solve by factoring, help​
zubka84 [21]

Answer:

x =  - 4 \\ x =  - 7

Step-by-step explanation:

x {}^{2}  + 28 =  - 11x \\ x {}^{2}  + 11x + 28 = 0 \\ x {}^{2}  + 7x + 4x + 28 = 0 \\ x(x + 7) + 4(x + 7) = 0 \\ (x + 4)(x + 7) = 0 \\  \\ x =  - 4 \:  \:  \:  \:  \:  \:   \\ \: x =  - 7

4 0
3 years ago
Read 2 more answers
HELP QUICK! You must find all intervals<br> where f(x) is negative. <br> f(x)=2(x+3)(x-7)
beks73 [17]

Answer:

any # where -2<=x<7

Step-by-step explanation:

(x-7) would be negative and (x+3) positive, resulting in f(x) being negative.

4 0
2 years ago
Ms. jada wants to save money for her spring break trip. She already has $400 saved in her account. She needs $1600 for the entir
valkas [14]

Answer:

1600-400

=1200

1200/300

=4 months

3 0
3 years ago
Read 2 more answers
1. Which expressions below are equivalent to 2(2x + 1)? Select all that apply.
GarryVolchara [31]

Answer:

4x+2

Step-by-step explanation:

2(2x+1)

4x +2

you distribute the the 2

3 0
3 years ago
Read 2 more answers
Need help with question 3. Dont Understand
Vedmedyk [2.9K]

Answer:

It represents both the positive and the negative square root of 256.

Step-by-step explanation:

16*16=256

-16*-16=256

They are both valid answers.

5 0
3 years ago
Other questions:
  • A rectangle length is 8cm more than three times it’s widith. The perimeter is 128 cm find the length.
    13·1 answer
  • 1 1/2= v + 3/4 (that's 1 and a half, not 11 over 2)<br> what is v?
    5·2 answers
  • Complete the table to investigate dilations of exponential functions.
    11·1 answer
  • What is the area of this figure
    9·2 answers
  • Thomas got a haircut from the barber. If the haircut cost $32 and he wants to leave a 18% tip, how much will he pay in total
    15·2 answers
  • the ceiling in jan's living room is 2.5 m high. she has a hanging lamp that hangs down 41 cm. her husbnd is 2 m tall. will he hi
    6·2 answers
  • 2+3x34 what is the answer in unit form
    14·1 answer
  • The radius of a circle is 37 miles. what is the circumference? use 3.14 for π​
    12·1 answer
  • A student downloaded a new game on her phone that was recommended by her friend. She wanted to show her friend how good
    10·1 answer
  • Francesca leaves her home and Drive South 150 km. Then she drives West 70 km. At this point, she drives North 30 km. Finally, sh
    13·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!