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2 years ago

8

When asked to write a point slope equation for the line shown below a student wrote y-6=3(x-3) how can she fix this to write the

correct equation?

1 answer:

Rufina [12.5K]2 years ago

6 0

What's the question she got the answer wrong to?

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Sixty percent of the students at a certain school wear neither a ring nor a necklace. Twenty percent wear a ring and 30 percent

Reptile [31]

Answer:

0.4

Step-by-step explanation:

Given

60 % wear neither ring nor a necklace

20 % wear a ring

30 % wear necklace

This question can be Solved by using Venn diagram

If one person is choosen randomly among the given student the probability that this student is wearing a ring or necklace is

$P\left ( wear \ ring\ or \ necklace )+P\left ( neither\ ring\ or\ necklace)=1$

$P\left ( wear \ ring\ or\ necklace )=1-0.6=0.4$

The sum of probabilty is equal to 1 because it completes the set

Therefore the required probabilty is 0.4

7 0

3 years ago

Please any help is necessary

Ugo [173]

Answer:

Option D. 50 ft

Step-by-step explanation:

we know that

The area of the figure is equal to the area of three rectangles

so

$A=18x+(48-36)(32-11)+(18)(32)$

$A=18x+(12)(21)+(18)(32)\\A=18x+828$

Remember that the area is given

$A= 1,728\ ft^2$

so

$18x+828=1,728$

solve for x

$18x=1,728-828\\18x=900\\x=50\ ft$

3 0

3 years ago

Candice spent 5 1/4 hours doing her homework. Her brother, Ronald, spent 1/2 that number of hours doing his homework. How many h

ra1l [238]

B, 2 5/8.

2 and 5/8 times itself is 5 1/4, meaning its half of 5 1/4.

3 0

3 years ago

Jerrilyn wrote the following argument to prove that

likoan [24]

Answer:

absolutely no idea if this is right but i put the first one

Step-by-step explanation:

5 0

3 years ago

Please answer fast<br><br> Thank you!

ziro4ka [17]

Answer:

see explanation

Step-by-step explanation:

the perimeter (P) is the sum of the 4 sides

(a)

P = a + b + c + d

= x + 7 + 2x + 2 + 8x + x + 10 ← collect like terms

= 12x + 19

(b)

If x = 4 , then

P = 12x + 19 = 12(4) + 19 = 48 + 19 = 67

(c)

If x = 2 , then

P = 12x + 19 = 12(2) + 19 = 24 + 19 = 43

(d)

P = a + b + c + d

= x² + 4x + 8 + 2x² + x ← collect like terms

= 3x² + 5x + 8

3 0

11 months ago