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
Mademuasel [1]
3 years ago
15

Solve each of these equations. Explain or show your reasoning. 2(3x+2)=2x+28 5y+13=-43−3y 4(2a+2)=8(2−3a)

Mathematics
2 answers:
dalvyx [7]3 years ago
7 0

Answer:

x = 6

y = 7

a = 1/4

Step-by-step explanation:

Equation 1:

2(3x+2) = 2x + 28

6x + 4 = 2x + 28

4x = 24

x = 6

Equation 2:

5y+13 = -43-3y

8y = -56

y = -7

Equation 3:

8a + 8 = 16 - 24a

32a = 8

a = 1/4

vovangra [49]3 years ago
7 0

Answer:

first equation=6

second equation=15

Third equation=

Step-by-step explanation:

2(3x+2)=2x+28

6x+4=2x+28

collect like terms

6x-2x=28-4

4x=24

Divide both sides by 4

4x/4=24/4

x=6

second equation

5y+13=43-3y

collect like terms

5y-3y=43-13

2y=30

Divide both sides by 2

2y/2=30/2

y=15

Third equation

4(2a+2)=8(2-3a)

8a+8=16-24a

collect like terms

8a+24a=16-8

32a=8

Divide both sides by 32

32a/32=8/32

a=1/4

You might be interested in
Bob can dig holes and plant 15 trees in 60 minutes. George can accomplish this same task in 120 minutes. If they work together,
yan [13]

Answer:

0

Step-by-step explanation:

7 0
3 years ago
Read 2 more answers
I need the top 2 pls
Andreas93 [3]

Answer:

Step-by-step explanation:

7:8 is 7/8

9:5

5 0
3 years ago
The nursing department of a college surveyed two hundred graduates from their programs about their current
mel-nik [20]

Answer: The required probability is 0.008.

Step-by-step explanation:

Since we have given that

Probability of bachelor's degree = 0.45

Probability of working in nursing = 0.85

Probability of both = 0.4

So, Probability of getting a graduate is currently working in nursing, given that they earned a bachelor's degree would be :

P(N|B)=\dfrac{P(N\cap B)}{P(B)}\\\\P(N|B)=\dfrac{0.4}{0.45}\\\\P(N|B)=0.008

Hence, the required probability is 0.008.

3 0
3 years ago
How many terms are there in a geometric series if the first terms is 2, the common ratio is 4, and the sum of the series is 2,73
arsen [322]
The sum of n terms of a geometric series is given by
S_{n}=a_{1}\dfrac{r^{n}-1}{r-1}

Substituting the given numbers, you have
2730=2\dfrac{4^{n}-1}{4-1}\\\\2730\dfrac{3}{2}=4^{n}-1\\\\4096=4^{n}\\\\\dfrac{\log(4096)}{\log(4)}=n=6

There are 6 terms in the series.
4 0
3 years ago
The lines on the graph below represent the cost of apples at four different stores.
katen-ka-za [31]
At Store A is the cost of apples the least. This is because it always has the lowest price for each pound compared to the other lines. Hope this helps!
5 0
3 years ago
Read 2 more answers
Other questions:
  • ​sixty-two percent of pet owners say they consider their pet to be their best friend. you randomly select 12 pet owners and ask
    5·1 answer
  • What is the correct sequence of steps for calculating 9^6 on the scientific calculator?
    11·2 answers
  • Six students measure the acceleration (in meters per second per second) of object in free fall. The measured values are shown. T
    14·1 answer
  • Solve for c.<br> 4(3 + c)+c=c+4<br> Sun
    9·2 answers
  • PLEASE HELP ASAP 35 POINTS!!
    7·1 answer
  • in a certain year a new bed costs 35000. if the rate of inflation was 20% for the next two years what would the same bed cost at
    11·2 answers
  • ‼️GIVING BRAINILEST AND PLEASE DONT SCAM‼️
    5·1 answer
  • Which expression is equivalent to Negative 28 x y 35 y? 7 y (Negative 4 x y 5 y) 7 x (negative 4 x 5 y) 7 x (negative 4 y 5 y) 7
    9·1 answer
  • Pedro sliced 27 cakes. Each chocolate cake had 7 slices and each lemon cake had 6 slices. If Pedro made 170 slices in total, how
    11·1 answer
  • I know this is a supervised data mining task because (choose all that apply) A. Because the target belonged to the same group as
    11·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!