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drek231 [11]
3 years ago
5

Y= mx + b what is b?

Mathematics
1 answer:
PSYCHO15rus [73]3 years ago
8 0
Y=mx+b is Slope Intercept Form, where m represents the slope and b represents the y-intercept.

The y-intercept is the value of y when x equals 0, and can be visualized on a graph as the point on the line when it crosses the y-axis.
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Simplify the expression by using a double-angle formula or a half-angle formula. (a) cos2 θ 2 − sin2 θ 2
SCORPION-xisa [38]
If this is supposed to be
cos^{2}θ-sin^{2}θ
Then this can simply be reduced to
cos2θ
by the double angle formula for cosine



6 0
3 years ago
Find the shortest side of a triangle whose perimeter is 64 if the ratio of two of its sides is 4:3 and the third side is 20 less
Sergio039 [100]

Answer:

The shortest side of the triangle is 18

Step-by-step explanation:

Let the sides the triangle be x, y and z.

From the question, the perimeter of the rectangle is 64, that is

x + y + z = 64 ...... (1)

Also, the ratio of two of its sides is 4:3, that is x:y = 4:3, then we can write that x/y = 4/3 ⇒ 3x = 4y ...... (2)

The third side, z, is 20 less than the sum of the other two, that is

z + 20 = x + y ...... (3)

Substitute equation (3) into (1)

Then,

z + 20 + z = 64

2z +20 = 64

2z = 64 - 20

2z = 44

z = 44/2 k

z = 22

From equation (3)

z + 20 = x + y

Then, k

22 + 20 = x +y

42 = x + y

x = 42 - y ...... (4)

Substitute this into equation 2

3x = 4y

3(42-y) = 4y

126 - 3y = 4y

4y + 3y = 126

7y = 126

y = 126/7

y = 18

Substitute this into equation (4)

x = 42 - y

x = 42 - 18

x = 24

∴ x = 24, y = 18 and z = 22

Hence, the shortest side of the triangle is 18.

4 0
2 years ago
My living room is 6m (to the nearest m) by 5m (to the nearest m). What is the maximum and minimum area of my living room? Write
Archy [21]

Answer:

24.75m ≤ 30m < 35.75m

Step-by-step explanation:

Minimum area:

5.5 (lower bound of 6m) * 4.5 (lower bound of 5m) = 24.75m

Maximum area:

6.5 (upper bound of 6m) * 5.5 (upper bound of 5m) = 35.75m

Normal area:

6*5=30m

I hope that makes some sense or helps a little!

3 0
3 years ago
Multiplicative inverse of 3/7 x 2/7
Ahat [919]

<h3>\frac{ - 7}{3}  \times  \frac{ - 7}{2}</h3>
  • It is the multiplicative inverse of 3/7 × 2/7
6 0
3 years ago
Read 2 more answers
ANSWER ASAP PLSS AND HURRY
Rina8888 [55]

Answer:

not sure what it is....

Step-by-step explanation:

3 0
3 years ago
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