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3 years ago

Solve 1/5x-1/3y=-1 and -3/4x+1/3y=12

2 answers:

4 0

Which of the following was not an influence on the people in Latin America who sought independence in the 19th century? The Enlightenment The Mexican-American War The American Revolution The French Revolution

dangina [55]3 years ago

3 0

1/5x-1/3y=-1
Geometric figure: Straight Line
Slope = 1.200/2.000 = 0.600
x-intercept = -15/3 = -5
y-intercept = 15/5 = 3


-3/4x+1/3y=12
Geometric figure: Straight Line
Slope = 4.500/2.000 = 2.250
x-intercept = 144/-9 = 16/-1 = -16.00000
y-intercept = 144/4 = 36

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A carpenter is building a rectangular bookcase with diagonal braces across the back, as shown. The carpenter knows that angle AD

Vaselesa [24]

1. ∠ADC is right angle, then $m\angle ADC=90^{\circ}.$

2. Angles ADB and BDC are complementary, then

$m\angle ADB+m\angle BDC=m\angle ADC=90^{\circ}.$

3. You know that ∠BDC is 32° greater than ∠ ADB. Let $m\angle ADB=x,$ then $m\angle BDC=x+32^{\circ}.$

Since $m\angle ADB+m\angle BDC=90^{\circ},$ you have that

$x+x+32^{\circ}=90^{\circ},\\ \\2x=90^{\circ}-32^{\circ},\\ \\2x=58^{\circ},\\ \\x=29^{\circ}.$

This gives you:

$m\angle ADB=29^{\circ};$
$m\angle BDC=29^{\circ}+32^{\circ}=61^{\circ}.$

3 0

3 years ago

Read 2 more answers

For which intervals is the function negative

Mice21 [21]

ANSWER

$(1,4)$

$(- \infty ,-3)$

EXPLANATION

The x-values for which the graph is below the x-values below the x-axis is the interval on which the graph is negative.

We can see from the graph that, for

$x < - 3$

the function is negative.

This can be rewritten as:

$(- \infty ,-3)$

Also for

$1 < x < 4$

the function is again negative.

This is also written as:

$(1,4)$

5 0

4 years ago

Identify the constant term of 14 - 8x - 7y

vaieri [72.5K]

Answer:

Step-by-step explanation:

6 0

3 years ago

If the total number of books checked out of the library at your high school is 14,400 and the student population is about 2400.

Sedaia [141]

Each student on average has 6 books.

<h3>What is average?</h3>

In layman's terms, an average is a single number chosen to represent a set of numbers, usually the sum of the numbers divided by the number of numbers in the set.
The average of the numbers 2, 3, 4, 7, and 9 is 5, for example.

To find how many books on average each student has:

To find the average, divide the total number of books by the total number of students.
So, 14,400/2,400 = 6

Therefore, each student on average has 6 books.

Know more about averages here:

brainly.com/question/20118982

#SPJ4

8 0

2 years ago

Add 3 5/12 + 2 5/9 . Simplify the answer and write as a mixed number.

Kipish [7]

5 35/36, solving steps attached below

3 0

4 years ago