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
natita [175]
2 years ago
7

Use substitution to solve each system of equations. 4x – 5y = –7 y = 5x

Mathematics
2 answers:
Komok [63]2 years ago
8 0
Refer to answers in the picture.

sweet [91]2 years ago
3 0
4x - 5(5x)= -7
4x - 25x = -7
-21x = -7
x = 1/3

y = 5(1/3)
y = 5/3
You might be interested in
Calculate each numbered angle measure.<br><br> problem below
krok68 [10]
The angles labeled 22, 1, and 2 are part of a triangle. 1 is a 90 degree angle.
So, 2 is 180-90-22=68 degrees.
3 is 180-68=112 degrees, since it forms a straight line if joined with angle 2.
4 is also 112 degrees since it is vertical with 3. .
5 is 180-112=68 because it makes a straight line with 4.
And so on
7 0
2 years ago
( Please help me on this question, thank you, &lt;3 )
Ierofanga [76]

Answer:

A: A number line going from negative 2 to positive 8 in increments of 1.Points are at 4 and 8.

Step-by-step explanation:

Hopefully this helps

4 0
3 years ago
Read 2 more answers
What is 6/10 plus 4/10
son4ous [18]

Answer:

1

Explanation:

\frac{6}{10}  +  \frac{4}{10}

By taking LCM

We get

\frac{6 + 4}{10}  =   \frac{10}{10}  = 1

3 0
2 years ago
Read 2 more answers
B) Evaluate the algebraic expression 2x2 + 5x +6 if x is equal to (-1).​
Korvikt [17]

Step-by-step explanation:

if x is equal to - 1

Then

2x² + 5x + 6

= 2* ( -1)² + 5 * (- 1) + 6

= 2 - 5 + 6

= 8 - 5

= 3

Hope it will help :)❤

5 0
2 years ago
Read 2 more answers
The city of Plainview is building a new sports complex. The complex includes eight baseball fields, four soccer fields, and thre
eimsori [14]

Answer:

See Explanation

Step-by-step explanation:

(Please Find Diagram in the attachment)⇒Answer Drawing is Given There.

According to the question,  

  • Given that, The city of Plainview is building a new sports complex. The complex includes eight baseball fields, four soccer fields, and three buildings that have concessions and restrooms.
  • Now, Arrange the structures in the sports complex using translations, reflections, and rotations so that the final arrangement satisfies each of these criteria:
  1. All the fields and buildings fit on the provided lot.
  2. Each field is adjacent to at least one building for ease of access.
  3. Two or more fields can be adjacent, but no two fields should share the same boundary (e.g., a sideline or a fence.)
  4. For safety reasons, no baseball field should have an outfield (the curved edge) pointed at the side (the straight edges) of another baseball field

8 0
2 years ago
Read 2 more answers
Other questions:
  • What does minimum or maximum value of the function mean
    8·1 answer
  • Student A believes v2/8 is a rational number because it can be written as a fraction
    10·1 answer
  • How many apples can be purchased for $10
    9·1 answer
  • Gabriel had 350 books to put away but 14 were broken. He split up the good books into 6 baskets. How many books can go in each b
    5·1 answer
  • How do you write an equation with (7,7) and (-3,7)
    15·1 answer
  • The top running speed of a cheetah is double the top running speed of a jackal. The top running speed of an elk is 11 miles per
    12·1 answer
  • A math classroom has 30 students. The teacher assigned the students a project and told them they could turn it in
    8·1 answer
  • initially the first bank account is $5 less than the second account. after a month the first account had tripled and the second
    15·1 answer
  • Identify the expression equivalent to 4(x + x + 7) − 2x + 8 − 4 by substituting x = 1 and x = 2.
    5·1 answer
  • NO LINKS PLEASE
    15·2 answers
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!