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3 years ago

Last question , thanks!!! so much

Mathematics

2 answers:

Serggg [28]3 years ago

6 0

Answer:

A. (1, 3)

Step-by-step explanation:

Each equation has a graph which is a line. Every point on the line is a solution to that equation. The solution to the system of equations is the point that is on both lines. The solution of the system of equations is the point that is a solution to both equations. It is the point of intersection of the two lines.

Read the coordinates of the point of intersection of the blue line and the red line.

Start at (0, 0). Go right 1 unit. Now you have x = 1. From there go up 3 units. Now you have y = 3. The point that corresponds to x = 1 and y = 3 is the point (1, 3).

Answer: A. (1, 3)

bezimeni [28]3 years ago

3 0

Answer: (1,3)

Step-by-step explanation:

Find the place where the two lines cross. That’s your answer! It’s (1,3).

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From a point at the waters edge, a bridge arch 53 m away has an angle of elevation of 30, and the top of a yacht mast 14 m away

Arte-miy333 [17]

Answer:

Yes

Step-by-step explanation:

We don't even have to do a calculation.

The arch of the bridge is at point C.

The top of the yacht's mast is at E.

Even though the yacht is much closer to the water's edge, its mast has a much smaller angle of elevation.

The yacht can easily pass under the bridge.

3 0

3 years ago

A. 2 B. -2 C. 1/2 D. -1/2

allsm [11]

Rate of change is the slope.

The slope is the change in Y over the change in X:

Slope = (5- -3) / (2 - -2)

Slope = 8/4

Slope = 2

Answer: A.2

7 0

3 years ago

Please help fast! Thanks a lot

professor190 [17]

Answer:

92.5

Step-by-step explanation:

Lets say, first number = x

Second number = 3x+7

Total = 49

(x)+(3x+7)= 49

4x+7 = 49

4x = 42

x = 42/4

x= 10.5

3x+7 = 3(10.5)+7 = 92.5

Hope this helps!!

3 0

4 years ago

Write the volume of a cylinder with a base radius 3 m and height 8 m in terms of pi

IRISSAK [1]

Answer:

72π (in terms of pi)

Step-by-step explanation:

V = π·r²·h

Plug in the values.

V = π·3²·8

Solve.

V = 72π

To leave an equation in terms of pi, just square, multiply, and leave pi at the end.

3² = 9·8 = 72

72π

If you need the answer fully simplified, it is 226.19 (rounded up).

3 0

3 years ago

Could 7.7 cm , 4.0 cm , 7.7 cm,4.0 cm,7, point, 7, start text, space, c, m, end text, comma, 4, point, 0, start text, space, c,

Lyrx [107]

Answer:

With given side lengths a triangle could not be created.

Step-by-step explanation:

Given:

First side length = 7.7 cm

Second side length = 4.0 cm

Third side length = 1.7 cm

We need find whether this could be the side length of the triangle.

Solution:

Now we know that;

By Triangle In equality property which states that;

"Sum of the two side length of the triangle must be greater than third side."

It should fulfill all three conditions;

So we will find the same.

Condition 1:

First Side + Second Side > Third side

$7.7+4.0>1.7\\\\11.7>1.7$

Hence This condition is true.

Condition 2:

Second side + Third Side > First side

$4.0+1.7>7.7\\\\5.7>7.7$

Hence This condition is False.

Condition 3:

First side + Third Side > Second side

$7.7+1.7>4.0\\\\9.4>4.0$

Hence This condition is true.

Since One of the condition is false hence With given side lengths a triangle could not be created.

8 0

3 years ago

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