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PtichkaEL [24]
3 years ago
11

Help me please!!!!!!!!!!!

Mathematics
1 answer:
tangare [24]3 years ago
7 0

Answer:

m∠B = 107°

Step-by-step explanation:

The given geometric figure is a deltoid or quadrilateral with two pairs of equal adjacent sides whose diagonals are perpendicular.

The longer diagonal divides two opposite angles into two equal parts, which means:

m∠A = 2 · 32 = 64°

m∠C = 2 · 41 = 82

Also the angles m∠B ≅ m∠D = x

The total sum of the inner angles in the quadrilateral is 360°, which means:

2 · x = 360 - ( 64 + 82) = 360 - 146 = 214 => x = 214/2 = 107°

m∠B = 107°

God with you!!!

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Write an equation of the line that passes through the given points (7,9),m =4
Alla [95]

Answer:

y = 4x - 19

You should also try solving it yourself to make sure I did not make any mistake.

Step-by-step explanation:

We already know the slope so, so far the equation should look like this.

y = 4x + b

Now we just need to insert the point into the equation. So point (7,9) 7 should replace the x and 9 will replace the y. It will look like this:

9 = 4 \times 7 + b

when you solve this equation you'll get b

b =  - 19

So the equation is

y = 4x - 19

8 0
2 years ago
- {(-3, 3), (1, 1), (0, -2), (1,-4), (5, -1)}<br><br> Function?
Dmitry [639]

Answer:

Step-by-step explanation:

It is not a function. (1,1) and (1,-4) are both points on the graph.

4 0
2 years ago
Find the length and width of a rectangle that has the given area and a minimum perimeter. area: a square centimeters
tresset_1 [31]
There isn't enough information to answer this, what is the given area or perimeter?
4 0
2 years ago
What is 5q-4p+6=4q-8
seraphim [82]

Answer:

q=4p-14

Step-by-step explanation:

5q-4p+6=4q-8

5q-4q-4p=-8-6

q-4p=-14

q=-14+4p

q=4p-14

7 0
3 years ago
What is the equation in slope-intercept form of the linear function represented by the table?
umka2103 [35]

Answer:

y = -x + 9

Step-by-step explanation:

You are given (-5,14), (-2,11), (1,8), and (4,5).  Your first objective is to find the slope.

Slope is delta y divided by delta x - the amount of height the graph gains divided by the amount of horizontal length the graph gains.  Take any two points and plug it into this: \frac{y_{2}-y_{1} }{x_{2}-x_{1}}.

i.e. (-2,11) and (4,5): \frac{11-5}{-2-4} which is \frac{6}{-6}, or -1.  Thus, the slope is -1.

We now have y = -1(x) + b, or just y = -x + b.

Next, find the y-intercept.  Set the value of x to 0, as the y-intercept is found along the y-axis, which is at the horizontal center of the graph, 0.  We now know that the y-intercept is (0,y).  To find the y-value, plug one of the coordinate pairs of choice into x and y.

i.e. (-5,14): 14 = (-1)(-5) + b

14 = 5 + b

14 - 5 = 5 + b - 5

9 = b

So, the y-intercept is (0,9).

Finally, the equation is:

y = -x + 9

7 0
2 years ago
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