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marin [14]
3 years ago
11

Lisa is asked to draw a triangle with the following specifications:

Mathematics
1 answer:
zimovet [89]3 years ago
8 0
B is correct.

Since two of the angles are complementary, adding up to 90°, the third angle must be 180-90=90°.

However, this does not mean only one triangle exists.  The only information we are given about the two angles is that they are complementary.  This could be 30 and 60; 45 and 45; or multiple other combinations.  This means there is more than one triangle that fits these criteria.
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Solve the system. Estimate the solution first. Enter whole numbers for the estimated solution and improper fractions in simplest
Harrizon [31]

Answer:

estimated (1,-4) algebraic (7/5.-22/5)

Step-by-step explanation:

6 0
3 years ago
A system of equations is graphed on a
Ira Lisetskai [31]

Answer:

(1, 4)  

Step-by-step explanation:

\text{It looks as if "they" are asking you to solve the problem graphically.}\\\text{Then, you must solve each equation for y, plot a few points for each graph,}\\ \text{and see where each graph intersects. }

\begin{array}{rcl}(1) & 2x + 3y = 12 & \\& 3y = 12 - 2x& \text{Subtracted 2x from each side}\\ & y = 4 - \dfrac{2}{3}x & \text{Divided each side by3}\\\\(2) & 4x + 2y =10& \\& 2y = 10 - 4x& \text{Subtracted 2x from each side}\\ & y = 5 - 2x & \text{Divided each side by 2}\\\end{array}\\

Below are a few points for Equations (1) and (2).}

\begin{array}{cc|cc}\mathbf{x} & \mathbf{y} & \mathbf{x} & \mathbf{y}\\0 & 4 & 0 & 5\\& & 1 & 3\\& & 2 & 1\\3 & 2 & &\\6 & 0 & &\\\end{array}\\

Equation (1) is the blue line in the graph below.

Equation (2) is the red line.

The two lines cross at the black dot

Your four points are labelled . The one that is closest to the intersection is (1, 4).

The approximate solution to the system of equations is (1, 4).

8 0
3 years ago
WHATS THE ANSWER?? ANSWER ASAP
raketka [301]
It’s is A, it’s the rotation of the triangle given to you.
7 0
3 years ago
What is the base of a triangle with an area of 207 square inches and a height of 18 inches ?
xenn [34]

Answer:

A=1/2 B x H

207=1/2 B x 18

B=207/18 x 2

B= 23 inches

8 0
2 years ago
A lifeguard is 16.2 ft above a pool in her lifeguard station when she spots a swimmer struggling 48.3 ft away from the base of h
Montano1993 [528]
Pretend y is the angle of depression.
Tan y= opposite/ adjacent

Tan y = 16.2/ 48.3
Y= tan-1( 16.2/ 48.3)

Angle = 18.5416
4 0
3 years ago
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