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3 years ago

Line AB passes through points A(-6,6) and B(12,3). If the equation of the line in slope-intercept form,

Mathematics

1 answer:

BabaBlast [244]3 years ago

8 0

Answer:

The intercept is 5.

Step-by-step explanation:

Since we already have the slope of -1/6, we can use that and either point in point-slope form to get the equation in slope-intercept.

y - y1 = m(x - x1)

y - 3 = -1/6(x - 12)

y - 3 = -1/6x + 2

y = -1/6x + 5

Therefore, b= 5

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A.3.5 B.-2.5 C.-5.5 D.2.5

mart [117]

The answer is 2.5 because the point is on -1.5, so -1.5+4=2.5

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3 years ago

Find the missing dimension. Use the scale 1:5

MrRissso [65]

Answer: 1m

Step-by-step explanation:

since model is 20cm, a 1:5 scale means the actual is 5x as big. since 20cm x 5 is 100 cm and 1m is 100 cm, the answer in the box should be 1.

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2 years ago

Solve x2 + 8x + 22 = 0 by completing the square.

Liula [17]

Answer:

Step-by-step explanation:

the solution of a squared equation is

x = (-b ± sqrt(b² - 4ac)) / (2a)

in our case

a = 1

b = 8

c = 22

x = (-8 ± sqrt(64 - 88))/2 = (-8 ± sqrt(-24))/2 =

= (-8 ± sqrt(4×-6))/2 = (-8 ± 2×sqrt(-6))/2 =

= -4 ± sqrt(-6) = -4 ± i×sqrt(6)

6 0

3 years ago

3y-12x=24 and goes through point (2,-6) . write your answer in y=mx+b

Masteriza [31]

Answer:

y= 4x+8

Step-by-step explanation:

Add 12x to both sides.

3y=24+12x

The equation is in standard form.

3y=12x+24

Divide both sides by 3.

12x+24

Dividing by 3 undoes the multiplication by 3.

12x+24

Divide 24+12x by 3.

y=4x+8

6 0

2 years ago

Sharon has a new beaded necklace. 72 out of the 80 beads on the necklace are blue. What

erma4kov [3.2K]

Answer:

Sharon bought a necklace with 90% blue beads.

Step-by-step explanation:

We are given that Sharon's necklace has 80 beads. We are also given that of those 80 beads, 72 of them are blue.

Therefore, we can set up a ratio of blue beads to total beads in order to find out the relationship.

$\displaystyle \frac{72}{80}=\frac{36}{40}=\frac{18}{20}=\frac{9}{10}$

Then, using the fraction we receive as a result, we can convert this to a decimal.

$\displaystyle \frac{9}{10} = 0.9$

After we complete this calculation, we can multiply our decimal by 100 in order to obtain the relationship in percentage form.

$0.9 \times 100 = 90\%$

Of the 80 beads, 90% were blue beads.

4 0

3 years ago

Read 2 more answers