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3 years ago

15 When you have two or more linear equations is called a____ of equations

Mathematics

1 answer:

tatuchka [14]3 years ago

7 0

Answer:

Step-by-step explanation:

It is called a system of equations.

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8-1(x-y)=-3x+5 in standard form

pogonyaev

Standard form is
ax+by=c
get all x and y on one side

first distribute
-1(x-y)=-x+y

now weh have
8-x+y=-3x+5
add 3x to both sides
8+2x+y=5
minus 8 from both sides
2x+y=-3

7 0

3 years ago

Angie needs to buy 156 candles for a party instead each package has 8 candles how many packages should angie buy

Annette [7]

156 divided by 8 is 19.5 i think the answer is 19

6 0

3 years ago

Read 2 more answers

If each of the following represents the slope of a line (or line segment), give the slope a line that is perpendicular to it. (a

Crank

Answer:

$m_2 = -\frac{3}{4}$ -- (a)

$m_2 = -\frac{7}{3}$ -- (b)

$m_2 = -\frac{1}{4}$ --- (c)

$m_2 = -3$ -- (d)

Step-by-step explanation:

Given

$a.\ m = \frac{4}{3}$

$b.\ m = \frac{3}{7}$

$c.\ m = 4$

$d.\ m = \frac{1}{3}$

Required

Determine the slope of a perpendicular line

In geometry, the condition for perpendicularity is:

$m_2 = -\frac{1}{m}$

This formula will be applied in solving these questions.

$a.\ m = \frac{4}{3}$

$m_2 = -\frac{1}{m}$

Substitute 4/3 for m

$m_2 = -\frac{1}{4/3}$

Express as a proper division

$m_2 = -1/ \frac{4}{3}$

Convert to *

$m_2 = -1* \frac{3}{4}$

$m_2 = -\frac{3}{4}$

$b.\ m = \frac{3}{7}$

$m_2 = -\frac{1}{m}$

Substitute 3/7 for m

$m_2 = -\frac{1}{3/7}$

Express as a proper division

$m_2 = -1/ \frac{3}{7}$

Convert to *

$m_2 = -1* \frac{7}{3}$

$m_2 = -\frac{7}{3}$

$c.\ m = 4$

$m_2 = -\frac{1}{m}$

Substitute 4 for m

$m_2 = -\frac{1}{4}$

$d.\ m = \frac{1}{3}$

$m_2 = -\frac{1}{m}$

Substitute 1/3 for m

$m_2 = -\frac{1}{1/3}$

Express as a proper division

$m_2 = -1/ \frac{1}{3}$

Convert to *

$m_2 = -1* \frac{3}{1}$

$m_2 = -\frac{3}{1}$

$m_2 = -3$

4 0

3 years ago

A regular octagon rotates 360° about its center. How many times does the image of the octagon coincide with the preimage during

True [87]

Hello there!

The correct answer is D. 8.

Hope This Helps You!
Good Luck :)

4 0

3 years ago

What is the coefficient of the term of degree 4 in this polynomial 4x^8+5x^4-2x^3+

eduard

5Answer:

Step-by-step explanation:

sorry if this is wrong

8 0

3 years ago