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3 years ago

What is the set builder form for [6,7,8,9, ....]

Mathematics

1 answer:

Shalnov [3]3 years ago

5 0

Step-by-step explanation:

the set builder form for [6,7,8,9, ....] is given as:

$\{x : x = n, \: \: n \in \: N, \: \: n \geqslant 6 \}$

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Which statement is true about the equation 22-2=m-7?

Liono4ka [1.6K]

22-2=m-7.
first you subtract 22-2 thats 20.
then youtake 20 and subtract it by 7 but in order to do that you have to make 20 negative.
m-7
- 20
this equals m-20

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3 years ago

Help. please <br><br><br> &-&-&-&/&/&/$72

DIA [1.3K]

Answer:

Step-by-step explanation:

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3 years ago

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Joe ate 1/3 of a pizza and jane ate 1/5 of the pizza. How much of the pizza was eaten

NikAS [45]

Answer:

7/15

Step-by-step explanation:

If we're seeing how much pizza they both ate, we would add them together.

$\frac{1}{3}+\frac{1}{5}$

Find the common denominator

$\frac{5}{15}+ \frac{3}{15}$

add

$\frac{7}{15}$

7/15 of the pizza was eaten

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3 years ago

Linda can bicycle 48 miles in the same time as it takes her to walk 12 miles. She can ride 9 mph faster than she can walk. How f

Marrrta [24]

Answer:

$\frac{48}{r+9}=\frac{12}{r}$

Step-by-step explanation:

Let r represent Linda's walking rate.

We have been given that Linda can ride 9 mph faster than she can walk, so Linda's bike riding rate would be $t+9$ miles per hour.

$\text{Time}=\frac{\text{Distance}}{\text{Rate}}$

We have been given that Linda can bicycle 48 miles in the same time as it takes her to walk 12 miles.

$\text{Time while riding}=\frac{48}{r+9}$

$\text{Time taken while walking}=\frac{12}{r}$

Since both times are equal, so we will get:

$\frac{48}{r+9}=\frac{12}{r}$

Therefore, the equation $\frac{48}{r+9}=\frac{12}{r}$ can be used to solve the rates for given problem.

Cross multiply:

$48r=12r+108$

$48r-12r=12r-12r+108$

$36r=108$

$\frac{36r}{36}=\frac{108}{36}$

$r=3$

Therefore, Linda's walking at a rate of 3 miles per hour.

Linda's bike riding rate would be $t+9\Rightarrow 3+9=12$ miles per hour.

Therefore, Linda's riding the bike at a rate of 12 miles per hour.

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3 years ago

19, 17 and what makes a right triangle?

Thepotemich [5.8K]

19+ 17 = 36
right angle = 90°
90 - 36 = 54

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3 years ago

What is the set builder form for [6,7,8,9, ....]​

What is the set builder form for [6,7,8,9, ....]