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Cloud [144]
3 years ago
13

Help me please im dumb​

Mathematics
1 answer:
baherus [9]3 years ago
8 0

You're not dumb! Don't say that :)

Answer: A. Yes

B. 1 feet by 11 feet

Step-by-step explanation: Area = length x width

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Usimov [2.4K]
Yes 1 and 3 are supplementary


4 0
3 years ago
Read 2 more answers
Answer the equation
ivanzaharov [21]

Answer:

x = -2, y = -4

coordinate: (-2, -4)

Step-by-step explanation:

Given system of equations:

a) 4x - 7y = 20

b) x - 3y = 10

1. Make x the subject in the <em>second</em> equation:

⇒ x - 3y = 10 [add 3y to both sides]

⇒ x - 3y + 3y = 10 + 3y

⇒ x = 3y + 10

2. Substitute the given value of x into <em>first</em> equation:

⇒ 4x - 7y = 20

⇒ 4(3y + 10) - 7y = 20 [distribute 4 through the parentheses]

⇒12y + 40 - 7y = 20 [combine like terms]

⇒ 5y + 40 = 20 [subtract 40 from both sides]

⇒ 5y - 40 - 40 = 20 - 40

⇒ 5y = -20 [divide both sides by 5]

⇒ 5y ÷ 5 = -20 ÷ 5

⇒ y = -4

3. Find the value of x by substituting the given value of y into x = 3y + 10:

⇒ x = 3y + 10

⇒ x = 3(-4) + 10 [multiply]

⇒ x = -12 + 10 [add]

⇒ x = -2

4. Check your work:

<em>a) 4x - 7y = 20</em>

⇒ 4(-2) - 7(-4) = 20

⇒ -8 + 28 = 20

⇒ 20 = 20 ✔

<em>b) x - 3y = 10</em>

⇒ -2 - 3(-4) = 10

⇒ -2 + 12 = 10

⇒ 10 = 10 ✔

This system of equations has a solution at (-2, -4).

Learn more here:

brainly.com/question/27849342

brainly.com/question/27728118

4 0
2 years ago
PLS HELP ME! Write a rule (function) for the data in this table.
yKpoI14uk [10]

Answer:

y = x - 3

<h3>How I know I'm correct:</h3>

if you plug in the numbers from the table, it checks out.

y = x - 3

0 = 3 - 3

0 = 0

y = x - 3

1 = 4 - 3

1 = 1

y = x - 3

2 = 5 - 3

2 = 2

and so on

5 0
3 years ago
This table shows the relationship between the number of workers assigned to a project and the number of days it will take them t
hichkok12 [17]

Which one of the following items does not appear under the heading 'equity and reserves' on a company

statement of financial position?

A Share premium account

B Retained earnings

C Revaluation surplus

D Loan stock

5 0
2 years ago
If two sides and the angle that is not between them of one triangle are congruent to the corresponding two sides and the angle t
Advocard [28]

Answer:

True

Step-by-step explanation:

The given parameters are;

Two triangles each with known measures of two sides of the triangle and a non included angle

Therefore, with the given information, each of the the triangles are undefined because the sides can be opened wider or narrowed to have two possible solutions, in the same manner a compass, having one leg at a fixed inclination to the drawing paper can have the second leg either come closer or go further than 90 degrees while the inclination of the one (first) leg remains the same.

3 0
2 years ago
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