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
Lapatulllka [165]
1 year ago
13

Giselle works as a carpenter and as a blacksmith.

Mathematics
1 answer:
seropon [69]1 year ago
3 0

Step-by-step explanation:

$20/hr carpenter pay

$25/hr blacksmith pay

Let c = hours working carpentry

Let b = hours working as blacksmith

c + b = 30 {equation 1}

20c + 25b = 690 {equation 2}

In equation 1 solve for one variable in terms of the other.

c = 30-b

Substitute that into equation 2:

20(30-b) + 25b = 690

600 - 20b + 25b = 690

5b = 90

b = 90/5

b = 18 hours working as a blacksmith

c = 30-b = 30-18 = 12 hours as a carpenter

You might be interested in
I need help on this number sequence
MrRa [10]
You would square 3968 and subtract 1.
5 0
3 years ago
Read 2 more answers
1J orge uses 2 ounces of sauce for every serving of spaghetti he makes. Complete the table below to show the relationship betwee
N76 [4]

Answer:

57

Step-by-step explanation:

fudge it tgyshhvt8 to t up 7

3 0
2 years ago
Read 2 more answers
Kaitalin earns 6.50$ for each hour she works.on Friday she worked for 3 hours.she also worked on Saturday. If she earned a total
Romashka [77]

Answer:

5 hours

Step-by-step explanation:

6 0
3 years ago
Read 2 more answers
solve for each please i really need help if u want to help me with my test and i get an a or a b i will give u 500 dollars
Len [333]

Answer:

The relation is not a function

The domain is {1, 2, 3}

The range is {3, 4, 5}

Step-by-step explanation:

A relation of a set of ordered pairs x and y is a function if

  • Every x has only one value of y
  • x appears once in ordered pairs

<u><em>Examples:</em></u>

  • The relation {(1, 2), (-2, 3), (4, 5)} is a function because every x has only one value of y (x = 1 has y = 2, x = -2 has y = 3, x = 4 has y = 5)
  • The relation {(1, 2), (-2, 3), (1, 5)} is not a function because one x has two values of y (x = 1 has values of y = 2 and 5)
  • The domain is the set of values of x
  • The range is the set of values of y

Let us solve the question

∵ The relation = {(1, 3), (2, 3), (3, 4), (2, 5)}

∵ x = 1 has y = 3

∵ x = 2 has y = 3

∵ x = 3 has y = 4

∵ x = 2 has y = 5

→ One x appears twice in the ordered pairs

∵ x = 2 has y = 3 and 5

∴ The relation is not a function because one x has two values of y

∵ The domain is the set of values of x

∴ The domain = {1, 2, 3}

∵ The range is the set of values of y

∴ The range = {3, 4, 5}

3 0
2 years ago
2x-8y=6<br> y=-7- x<br> what are the coordinates
goblinko [34]
2x-8(-7-x)=6
2x+56+8x=6
10x=-50
x=-5

y=-7-(-5)
y=-2

(-5,-2)
5 0
3 years ago
Other questions:
  • Please help if your kind enough, this is due today I’ll mark u as brainliest &amp; rate u 5 stars
    15·1 answer
  • solve for x. −ax 3b &gt; 5 x &gt; the quantity 3 times b minus 5 all over a x &gt; the quantity 5 minus 3 times b all over negat
    9·2 answers
  • GEOMETRY!!FIND THE AREA OF THE YELLOW REGION!! ROUND TO THE NEAREST TENTH EXPLAIN PLEASE!!
    15·2 answers
  • What is this vertex of the graph ?
    8·1 answer
  • A rectangular pool in your friend' s yard is 150 ft× 400 ft.
    6·1 answer
  • Y=4x-6<br> 2x-3y=8<br> if this problem is to be solved by substitution , which is the correct step
    7·1 answer
  • 20 POINTS PLEASE ANSWER!
    8·1 answer
  • If you were working with a quadratic equation
    5·2 answers
  • PLEASE HELP ME! Tom surveyed students in his English class and found that the mean time spent reading outside school is 35 minut
    7·1 answer
  • A family is comparing different car seats. One car seat is designed for a child up to and including 25 lb. Another car seat is d
    13·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!