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elena55 [62]
3 years ago
15

Select the equation written in point-slope form.

Mathematics
1 answer:
slavikrds [6]3 years ago
4 0
Poin slope form is
y-y1=m(x-1)
the answer is A
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A straight line passing through A(3,2) and B(5,y) has gradient -2. find the value of y​
astraxan [27]

Step-by-step explanation:

gradient \:  =  \:  \frac{y2 - y1}{x2 - x1}

y2 = y , x2 = 5

y1 = 2 , x1 = 3

- 2 \:  =  \:  \frac{y - 2}{5 - 3}

-4 = y-2 ==> y = -2

7 0
3 years ago
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Which of the following examples illustrates ordinal numbers?
Margaret [11]

Answer:

30-5×2 of 3+(19-3) ÷8

Step-by-step explanation:

30-5×6+(19-3)÷8

30-5×6+16÷8

30-30+8

38-30

8

6 0
2 years ago
The figure below shows a quadrilateral ABCD. Sides AB and DC are congruent and parallel:
Stels [109]

Answer:

SAS postulate

Step-by-step explanation:

In the figure attached, quadrilateral ABCD is shown.

The Side Angle Side (SAS) postulate states that if two sides and the included angle of one triangle are congruent to two sides and the included angle of another triangle, then these two triangles are congruent.

AB is congruent to DC, and DB is the side common to triangles ABD and BCD. The included angle between sides AB and DB is angle ABD which is congruent with angle BDC, the angle included between sides DB and DC.

7 0
3 years ago
A pole that is 3 m tall casts a shadow that is 1.74 m long at the same time a nearby building casts a shadow that is 50.75 m lon
bija089 [108]
87.5

Tall. /. Shadow
3 / 1.74=. X /. 50.75
Cross multiply
152.25= 3x
Divide by 3
X= 87.5
4 0
3 years ago
Which is equivalent to sin^-1(tan(pi/4)) ? Give your answer in radians.
aleksklad [387]
We are to find the value of sin^{-1}(tan( \frac{ \pi }{4}))

First we evaluate tan(π/4). The value of tan(π/4) is 1. 

So, 

sin^{-1}(tan( \frac{ \pi }{4})) =sin^{-1} (1)

sin(π/2) = 1
So,
sin^{-1}(1)= \frac{ \pi }{2}

Thus, we can write:

sin^{-1}(tan( \frac{ \pi }{4}))= \frac{ \pi }{2} radians.

So, the answer to this question is π/2 radians.
6 0
3 years ago
Read 2 more answers
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