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3 years ago

Angles 1 and 2 form a right angle.Which word describes their measures?

Mathematics

2 answers:

shusha [124]3 years ago

7 0

Answer:

Step-by-step explanation:

complementary angle- adds to 90°

Andreas93 [3]3 years ago

6 0

Answer:

90 degree angle because a right angle is always 90 degrees

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Which graph is a function of x? On a coordinate plane, a vertical line is at x = negative 3. On a coordinate plane, a v-shaped g

irina [24]

Answer:

the answer is graph B

Step-by-step explanation:

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2 years ago

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“Solve the system using elimination” im not good at math so can someone help me

iris [78.8K]

Answer:

No solutions

Step-by-step explanation:

i did this via substitution so i hope it isn't a problem

3x+y=4

6x+2y=−4

Step: Solve 3x+y=4for y:

3x+y+−3x=4+−3x(Add -3x to both sides)

y=−3x+4

Step: Substitute−3x+4foryin6x+2y=−4:

6x+2y=−4

6x+2(−3x+4)=−4

8=−4(Simplify both sides of the equation)

8+−8=−4+−8(Add -8 to both sides)

0=−12

so there are no solutions

hope this helps!!

8 0

3 years ago

A fire ranger stands atop an observation tower 70 feet above the ground and sees a fire in the distance. She measures the angle

mrs_skeptik [129]

Answer:

$103.78\:\mathrm{ft}$

Step-by-step explanation:

We can form a right triangle where the distance between the ranger's current position and fire is the hypotenuse of the triangle. In a right triangle, the tangent of an angle is equal to its opposite side divided by the hypotenuse.

Therefore, we have:

$\tan 34^{\circ}=\frac{70}{x}$ , where $x$ is the distance between the base of the tower and the fire.

Solving, we get:

$x=\frac{70}{\tan 34^{\circ}}=103.779267796\approx \boxed{103.78\:\mathrm{ft}}$

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3 years ago

Solving linear systems graphically

Mekhanik [1.2K]

Answer:

Step-by-step explanation:

You graph both functions and the point where the two lines intersect is ur solution.

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3 years ago

What is the slope of the line that contains the point (-1,8) and (5,-4) answer.com?

pshichka [43]

THE SLOPE IS -2

if we have the coordinates of two points on a line, we can find the slope with this formula:
$s = \frac{y2 - y1}{x2 -x1} = \frac{y1 - y2}{x1 - x2}$
so the slope is
$\frac{8 - ( - 4)}{ - 1 - 5} = \frac{12}{ - 6} = - 2$
the answer is -2

good luck

5 0

3 years ago