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2 years ago

Help me out is 11 point

Mathematics

2 answers:

Lelu [443]2 years ago

6 0

It's choice D.

Adding up the constants (8 and 4) gives you 12
Adding up the coefficients (3 and 7) gives you 10

MAXImum [283]2 years ago

6 0

D. because the constants are 8+4=12 and the coeficients are 3+7=10

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PLEASE HELP ME!! A section of a highway is constructed with a 23% grade. What angle does the highway make with a horizontal line

lesantik [10]

Answer: 77.05

Step-by-step explanation: 1) Draw a right triangle with these measures:

angle with the horizontal: 6 degress

horizontal segment: 5

height: x

2) Definition of tangent : tan(6°) = opposite leg / adjacent leg = x / 5 =>

3) Solve for

x = 5tan(6°) = 77.05

4 0

1 year ago

HELP SOLVE THANK YOU!

Lera25 [3.4K]

Answer:

Solution 1: 1+1 $\sqrt{3}$

Solution 2: 1- $1\sqrt{3}$

Step-by-step explanation:

x^2-2=2x

x^2-2x-2=0

Use quadratic equation.

(-b+- $\sqrt{b^2-4ac}$ )/2a

(2+- $\sqrt{(-2)^2-4*1*-2}$ )/2

(2+- $\sqrt{(4+8})$ )/2

(2+- $\sqrt{12}$ )/2

Solution 1: (2+2 $\sqrt{3}$ )/2=1+1 $\sqrt{3}$

Solution 2: 1- $1\sqrt{3}$

4 0

1 year ago

Read 2 more answers

Is this right or wrong ?

Otrada [13]

Answer:

$(3x - 2)(4x + 6) = 12 {x}^{2} + 18x - 8x + - 12 \\ = 12 {x}^{2} + 10x - 12$

6 0

2 years ago

In the 1970s, due to world events, there was a gasoline shortage in the United States. There were often long lines of cars waiti

Harman [31]

Answer:

A line of cars will be about 9650000 feet

Step-by-step explanation:

Simple:

$9.65*1,000,000=9650000$

Hope this Helps!

Stay Safe!

7 0

2 years ago

The slope of the line passes through the points (3,-6) and (7,y) is -2/3. Find y.

kirza4 [7]

-6-y / 3-7 = -2/3

-6-y / -4 = -2/3

Multiply through by -12:-
3(-6-y) = 8

-18 - 3y = 8
3y = - 26

y = -8 2/3

5 0

2 years ago