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jarptica [38.1K]
3 years ago
12

Ms.Crest surveyed her class and found that 15 out of 30 brushed there teeth more than twice a day. Write a ratio as a fraction i

n simplest form, then write it as a % and a decimal.
Mathematics
1 answer:
densk [106]3 years ago
6 0
Ratio: 15:30 = 1:2
Fraction: 1/2
Percent: 50%
Decimal: 0.5
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Nick has to build a brick wall. Each row of the wall requires 62 bricks. There are 10 rows in the wall. How many bricks will Nic
VARVARA [1.3K]
The answer is 10 x 62. He has 62 across, and 10 vertically. To find how many total he needs, you have to multiply both together. I hope this helps!
4 0
3 years ago
Any help would be appreciated! :)
ikadub [295]

Answer:

-7, then -13, then -19

Step-by-step explanation:

Plug in x values to get y.

y = -2(0) - 7

y = 0 - 7

y = -7

y = -2(3) - 7

y = -6 - 7

y = -13

y = -2(6) - 7

y = -12 - 7

y = -19

Hope this helps. :0)

7 0
2 years ago
Read 2 more answers
Simplify the difference quotient f ( x + h ) â f ( x ) h for the function f ( x ) = 6 x â x 2
ladessa [460]

Answer:

final answer is 6

Step-by-step explanation:

Given f(x)=6x-2

To find the difference quotient use formula

\frac{f(x+h)-f(x)}{h}

f(x)=6x-2

f(x+h)=6(x+h)-2=6x+6h-2

Now plug it in the formula

\frac{f(x+h)-f(x)}{h}

\frac{6x+6h-2-(6x-2)}{h}

\frac{6x+6h-2-6x+2)}{h}

\frac{6h}{h}

6

5 0
3 years ago
the dimensions of a rectangle are given in terms of X as shown below the perimeter of the rectangle is 7 3/5 units. what is the
stepan [7]

Answer:

it is 8.65

Step-by-step explanation:

it just is but if it is wrong sorry been a while since i done this

4 0
3 years ago
Plz help me with this question
Nezavi [6.7K]

Answer:

first two is 300, then it is Car A's speed is 50mph and b is 40mph and for the other two it is probably faster and steeper

Step-by-step explanation:

you look at the graph. you see 6 miles and look up along the 6 mile line to see where it intersects the red line. once you find that spot you go left along that line to find the answer. same with the other and it both ends up at 300

for the next two find the slope, which is 40 and 50

and for the next two there are multiple answers but i t is probably faster and steeper

4 0
3 years ago
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