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m_a_m_a [10]
3 years ago
12

katia's grade was lowered 3 1/2 points every time she was late to class. This semester, katia was late to class 6 times . What n

umber represents the change in Katia's grade?​
Mathematics
1 answer:
VMariaS [17]3 years ago
4 0

Answer:

21

Step-by-step explanation:

3.5*6=21

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I need someone to explain how to do this problem with the formula please. I’m confused
kati45 [8]

Answer:

C ) 44, 65

Step-by-step explanation:

Please find attached a solved pattern.

The labelled alphabet, tells you the number of columns and Number of dots in the middle.

a1 will have 1 middle dot and 1 column

a2 will have 2 middle dots and 2 columns

a3 will have 3 middle dots and 3 columns.

a4 will have 4 middle dots and 4 columns

a5 will have 5 middle dots and 5 volumns

The middle dot, serve as a demarcation.

What ever appears on the left of the middle dot, must appear at the right of it.

7 0
3 years ago
If f(x) varies directly with x and f(x) = 40 when x = 8, find the value of f(x) when x = 2.
Vsevolod [243]

Answer:

f(x) = 10

Step-by-step explanation:

for direct variation

f(x) = kx

substitute in for f(x) and x

40 = k*8

solve for k

40/8 = k*8/8

5 =k

now we have

f(x) = 5*x

let x=2

f(x) = 5*2

f(x) = 10


4 0
3 years ago
Read 2 more answers
If 20% of a number p is 10, what is 10% of p?
kobusy [5.1K]

Answer:

5

Step-by-step explanation:

20% of p = 10

20% = 0.2

Multiply

0.2p = 10

Multiply both sides of the equation by 5

p = 50

Find 10% of p

10% = 0.1

Multiply

0.1(50)

5

10% of p is 5

Hope this helps :)

8 0
3 years ago
Read 2 more answers
Hi, can you please do these? thanks for helping!​
arlik [135]

Answer:

i will answer you other if u rate me brainliest

4 0
3 years ago
Read 2 more answers
A bag contains hair ribbons for a spirit rally.The bag contains 3 black ribbons and 12 green ribbons.Lila selects a ribbon at ra
djverab [1.8K]
<span>3 black ribbons and 12 green ribbons
so P(</span><span>Lila selects a black ribbon)=3/(3+12)
=1/5
</span>2 black ribbons and 12 green ribbons left
P(<span>Jessica selects a green ribbon)=12/(12+2)
</span>=6/7

so P(<span>Lila selects a black ribbon and Jessica selects a green ribbon)
</span>=1/5*6/7
=6/35

ans is D

6 0
3 years ago
Read 2 more answers
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