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algol13
3 years ago
15

Simplify by combining like terms: -3 + 6x - 18 - 22x *

Mathematics
2 answers:
Taya2010 [7]3 years ago
5 0

Answer:

-21-16x

Step-by-step explanation:

pickupchik [31]3 years ago
4 0

Answer:

-21  -16x

Step-by-step explanation:

-3 + 6x - 18 - 22x

Combine like terms

-3 -18     +6x -22x

-21          -16x

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Pls answer 13 b ill mark u brainlist
gladu [14]

Answer:

7 students

Step-by-step explanation:

1+2+4=7students

5 0
3 years ago
Alex sold 330 candy bars, milk chocolate candy bars sold for $2 each and white chocolate candy bars sold for $3 each. Alex sold
Alinara [238K]

Answer:

<em>Alex sold 330 white chocolate bars</em>

Step-by-step explanation:

let the milk chocolate candy be x and the white chocolate candy be y. then

then 2x+3y=990----1)

x+y=330-----2)

from eq 2) ⇒ x=330-y---------3)

Putting eq 3 in eq 1

2(330-y) +3y=990

660-2y+3y=990

y=990-660=330-----------4)

Putting eq4 in eq1

2x+3(330)=990

2x+990=990

2x=990-990

2x=0

x=0---------------------------5)

4 0
3 years ago
Liz earns a salary of $2,200 per month, plus a commission of 6% of her sales. she wants to earn at least $2,900 this month. ente
nlexa [21]
2200 + 0.06s > = 2900.....with s representing her total sales
0.06s > = 2900 - 2200
0.06s > = 700
s > = 700 / 0.06
s > = 11666.67 <== her sales has to be at least this
6 0
3 years ago
A survey of middle school students asked: What is your favorite winter sport? The results are summarized below:Favorite Winter S
Annette [7]

Answer:

a) 31.38%

b) 28.44%

c) 33.33%

d) 73.46%

e) 53.89%

Step-by-step explanation:

<h3>(See picture attached for sub-totals) </h3>

a) What is the probability of selecting a student whose favorite sport is skiing?

P = 171/545 = 0.3138 = 31.38%

b) What is the probability of selecting a 6th grade student?

P = 155/545 = 0.2844 = 28.44%

c) If the student selected is a 7th grade student, what is the probability that the student prefers ice-skating?

P = 70/210 = 0.3333 = 33.33%

d) If the student selected prefers snowboarding, what is the probability that the student is a 6th grade student?

P = 155/211 = 0.7346 = 73.46%

e) If the student selected is an 8th grade student, what is the probability that the student prefers skiing or ice-skating?

P = 180/(171+163) = 180/334 = 0.5389 = 53.89%

7 0
3 years ago
A rectangular painting's width is 6 less than twice its length. Given that the perimeter of the painting is 84 inches, select al
Nimfa-mama [501]

Answer:

Step-by-step explanation: it is

4 0
3 years ago
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