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Hoochie [10]
3 years ago
15

Will 20,40,30 form a right triangle​

Mathematics
1 answer:
Pepsi [2]3 years ago
4 0

Answer:

Yes

Step-by-step explanation:

Because it is equal to 90

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Find the x-intercepts of the quadratic funct<br> f(x) = x2 – 5x – 14
Trava [24]

Answer:

x = - 2, x = 7

Step-by-step explanation:

To find the x- intercepts let f(x) = 0, that is

x² - 5x - 14 = 0 ← in standard form

(x - 7)(x + 2) = 0 ← in factored form

Equate each factor to zero and solve for x

x - 7 = 0  ⇒ x = 7

x + 2 = 0 ⇒ x = - 2

7 0
3 years ago
Which is the equation of a line that has a slope of -2/3 and passes through point (-3, -1)? y=-2/3x+1.
bazaltina [42]

Answer:

y = -2/3x - 3

Step-by-step explanation:

First, write the equation using the slope. It should look like this: y = -2/3x + b. Next, find the y intercept by plugging in the point. This is what it looks like: -1 = -2/3(-3) + b. Multiply -2/3 by -3 to get 2. This is what it should look like now: -1 = 2 + b. Subtract 3 from both sides to get -3 = b. Go back to your original equation and plug in -3 for b. This is your final equation:

y = -2/3x - 3

Hope this helped! :)

7 0
3 years ago
Graph the system of equations on graph paper.
MrRa [10]
Ths system of equations is

<span>8x+6y=48 ..............>y = 48/6 -8x/6
2x−3y=−6 ..............>y = 6/3 + 2x/3

If we use a graphic tool, we can easily check the solution, 
which is (x,y) = (3,4)

The ordered pair lies in Quadrant I
</span>

3 0
3 years ago
Read 2 more answers
In which of the following expressions does the number 24 fill in the blank so that the equation is true? Select all that apply.
S_A_V [24]
The answer is A, B, and D
3 0
3 years ago
Read 2 more answers
Help??????????????????????
antoniya [11.8K]

Answer:

30°

Step-by-step explanation:

4 0
4 years ago
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