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Komok [63]
3 years ago
7

Is 4(5c + 3) and 9c + 7 equivalent?

Mathematics
2 answers:
uysha [10]3 years ago
7 0

Answer:

Find the exact value using trigonometric identities.

20

c

+

12

Step-by-step explanation: 20 c + 12 c will give you your answer.

Otrada [13]3 years ago
3 0

Answer:

No sir  

Step-by-step explanation:

when you see  Parentheses beside a number it means your mutiplying

your answer would be: 20c + 12

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Graph the solution to this system of inequalities in the coordinate plane.
Vsevolod [243]

By using Geogebra online graphing calculator, the solution to this system of inequalities are plotted in the image attached below.

<h3>What is an inequality?</h3>

An inequality is a mathematical relation that compares two (2) or more integers and variables in an equation based on any of the following:

  • Less than (<).
  • Greater than (>).
  • Less than or equal to (≤).
  • Greater than or equal to (≥).

Given the following system of inequalities:

3y > 2x + 12  ⇒ 3y - 2x > 12

2x + y ≤ -5

By using Geogebra online graphing calculator, the solution to this system of inequalities are plotted in the image attached below.

Read more on inequalities here: brainly.com/question/24372553

#SPJ1

3 0
1 year ago
Evaluate each numerical expression
ioda

{3}^{4}  - ( - 4)^{2}  =81 - (16) = 65

I hope I helped you^_^

7 0
3 years ago
Read 2 more answers
At Candyland Daycare there are 7 children to every 2 caretakers. If there are 35 children at the daycare, then how many caretake
OLga [1]
10
because you would do 35 divided by 7 which is 5.
5 x 2 is 10
8 0
3 years ago
Read 2 more answers
PLEASE HELP 4 QUESTIONS 90 POINTS
kondor19780726 [428]

1.  n^2 -8n +16 = 25

Subtract 25 from both sides

n^2 - 8n + 16 - 25 = 0

Simplify

n^2 - 8n - 9 =0

Factor

(n-9)(n+1) = 0

Solve for n

n-9 = 0, n = 9

n+1 = 0, n = -1

Solution: 9,-1


2. C = b^2/25

Multiply both sides by 25:

25c = b^2

Take square root of both sides

b = +/-√25c

Simplify:

b = 5√C, -5√C


3. d = 16t^2 +12t

subtract d from both side:

16t^2 + 12t -d =0

Use quadratic formula to solve:

t = (3 +/-√(9-4d))/8


4. 5w^2 +10w =40

Subtract 40 from both side:

5w^2 + 10w -40 = 0

Factor:

5(w-2)(w+4)=0

Divide both sides by 5:

(w-2)(w+4)=0

Solve for w:

w-2 = 0, w = 2

w+4=0, w = -4

Solution: 2,-4



4 0
3 years ago
Read 2 more answers
Which angles are congruent to each other?
Nikolay [14]

Answer:

The angles that are congruent due to being vertical angles are:

m∠2 and m∠4

m∠1 and m∠3

m∠8 and m∠6

m∠5 and m∠7

6 0
3 years ago
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