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lianna [129]
3 years ago
8

Equation for line y-intercept -5 and slope 2

Mathematics
1 answer:
olga nikolaevna [1]3 years ago
7 0

Answer:

y=2x-5

Step-by-step explanation:

y=mx+b

m=slope

b=y-intercept

m=2

b=-5

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(-4,19) and (8,-2) whats the slope intercept
Sever21 [200]

Answer:

slope = -7/4

Step-by-step explanation:

Plug the points into this formula: \frac{y2 - y1}{x2 - x1}

Plug in

\frac{-2 - 19}{8 - (-4)} \\\\\frac{-21}{12} = -7/4

The simplest form is -7/4

Hope this helps ya! Keep smiling!

6 0
3 years ago
In ΔABC, m∠ACB = 90°, CD ⊥ AB and m∠ACD = 45°. Find: AC, if CD = 6√2 in.
klio [65]

Answer:

AC = 12 units.

Step-by-step explanation:

Δ ACD is right-angled. ( as CD ⊥ AB).

cos 45° = CD / AC = 6√2 / AC

AC = 6√2 / cos 45°

AC = 6√2 / 1 /√2

= 6√2 *√2

= 6 * 2

= 12   (answer)

HOPE THIS HELPED ;3

5 0
3 years ago
Please help (Geometry)<br> (click to see the whole thing)
omeli [17]

Answer:

Step-by-step explanation:

If we know that D is the midpoint, then 2x + 7 = 4(x-3). Doing the algebra on that gives us

2x + 7 = 4x - 12 and

19 = 2x so

x = 9.5

8 0
2 years ago
How do you do this problem?
sertanlavr [38]

2x2x2 = 8

How many 2s are there?

3 so the answer is 3

4 0
3 years ago
Read 2 more answers
Whats the area of a quarter-circle with diameter of 4 meters
kkurt [141]
The answer is 3.14 m

The area (A) of the circle with radius r is: A = π · r²
The area of the quarter of the circle is: A1 = 1/4A = 1/4 · π · r²

We have:
A1 = ?
r = ?
π = 3.14
d = 4 m

A diameter d is the twice of the radius r: d = 2r.
Therefore, the radius is the half of the diameter: r = d/2
So, the area of the quarter circle would be:
A1 = 1/4 · π · r² = 1/4 · π · (d/2)² =1/4 · π · d²/2² = 1/4 · π · d²/4 = 1/16 · π · d²

A1 = 1/16 · π · d² = 1/16 · 3.14 · 4² = 1/16 · 3.14 · 16 = 3.14 m
5 0
3 years ago
Read 2 more answers
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