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
Aleks [24]
2 years ago
10

Solve the system by subtitution y = 3x + 18 y = 5x

Mathematics
1 answer:
elena-14-01-66 [18.8K]2 years ago
3 0

Answer:

x=9

Step-by-step explanation:

y=3x+18=5x

thus 3x+18=5x

subtract 3x from both sides     18=2x

simplify for x       x=9

You might be interested in
Express the shaded area as a fraction, a decimal, and a percent of the whole.
ANEK [815]

Answer:

Fraction:7/10 Decimal:0.7 Percent:70%

Step-by-step explanation:

3 0
3 years ago
Francesca is painting a picture of the purple flowers in her garden. She mixes paint to make the perfect color for each type of
aniked [119]

Find total ounces mixed for each flower:

Daisies = 2+5 = 7 ounces

Tulips = 3 +6 = 9 ounces

Now find the ratio of purple to white for each one:

Daisies = 5/7 = 0.714

Tulips = 6/9 = 0.666

Daisies have more purple so would be the darker ones.

8 0
2 years ago
Read 2 more answers
What does 6/2(1+2)= <br> need help
Zina [86]

▪ Answer:

9

▪ Step-by-step explanation:

Hi there !

6/2(1 + 2) =

= 3/1 × 3

= 3×3/1

= 9

Good luck !

7 0
3 years ago
Read 2 more answers
I need geometry help please.
irina1246 [14]

Lets remember the property "alternative-interior angles" when we have parallels lines:

Given two paralles lines, the following is true:

In our question, we have:

We know that the angles J + P + K=180

So, the triangles have all the angles the same, so they are similar by angle-angle-angle, and they have one side congruent, AC=CD, so the triangles are congruents.

6 0
1 year ago
A coin contains 1.25 grams of nickel and 3.75 grams of copper, for a total weight of 5 grams what percentage of the metal in coi
Citrus2011 [14]
3.75/5 = .75
.75 X 100 = 75
75% is the answer
7 0
3 years ago
Read 2 more answers
Other questions:
  • Frodo runs a 250 meter course in 50 seconds.Gandalf runs a 300 meter course in 60 seconds. Samwise runs a 900 meter course in 18
    15·1 answer
  • How do you solve 3x+7=x
    11·2 answers
  • Write an equation to represent the relationship between the number of mugs and cost for company A. Use c for cost and m for the
    5·2 answers
  • Which best describes the dna of a cloned animal
    9·2 answers
  • 4-(2x-3)=3 whats the answer
    8·1 answer
  • What is -5/8÷9/10=========
    10·2 answers
  • Can someone plz help me
    14·2 answers
  • What is the distance between the coordinates (9, 10) and (10, 2)?
    15·2 answers
  • A football team gained 9 yards on one play and then lost 22 yards on the next.which answer below shows the sum of integers that
    12·1 answer
  • Suppose you are looking to purchase a new TV. You are placing it in an opening that is 136 cm wide but want to leave at least 2
    11·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!