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3 years ago

Help please, ill give brainliest

Mathematics

1 answer:

velikii [3]3 years ago

4 0

Armani is correct.

Some tables do need 0,0 but in this one particularly no. It’s because it’s talking about the prices in the snacks, and it would be unnecessary to add 0,0 in the table. If you do add “0,0”, technically you wouldn’t be wrong since it means that 0 snacks equal 0 money. But logically, you wouldn’t see it in a concession stand.

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15 point help asap marking brainlest!!!!!!!!!!!!!!

ziro4ka [17]

slope =(y2-y1)/(x2-x1)

m=(-1-5)/(1--1)

m=-6/2

m=-3

y-y1=m(x-x1) point slope form

y-5 = -3 (x--1)

y-5 = -3 (x+1)

distribute

y-5 = -3x -3

add 5 to each side

y = -3x+2

Choice D

4 0

4 years ago

Read 2 more answers

PLEASE HELP

Anit [1.1K]

Answer:

$A\approx2.255 \text{ grams}$

Step-by-step explanation:

We will use the standard formula for half-life:

$\displaystyle A=A_0(a)^\frac{t}{d}$

Where A₀ is the initial amount, a is the half-life, d is the time for one half-life, and t is the number of days.

So, we will substitute 1/2 for a and 24.3 for d. This yields:

$\displaystyle A=A_0(\frac{1}{2})^\frac{t}{24.3}$

We have a 3 gram sample. Therefore, our initial amount A₀ is 3:

$\displaystyle A=(3)(\frac{1}{2})^\frac{t}{24.3}$

And we want to find the remaining sample after 10 days. So, t=10. Substitute:

$\displaystyle A=(3)(\frac{1}{2})^\frac{10}{24.3}$

Use a calculator. So:

$A\approx2.255 \text{ grams}$

Therefore, for a 3 gram sample of Phosphorous-32 with a half-life of 24.3 days, after 10 days, there will be approximately 2.255 grams remaining.

6 0

3 years ago

A dress in a store costs x dollars. After a sale, the dress is reduced by 20%. Then, when it still isn't sold, it is reduced by

skelet666 [1.2K]

Answer:

64%

Step-by-step explanation:

Just trust me I did multiple examples to make sure

3 0

3 years ago

Suppose you have two triangles. Triangle A is similar to triangle B, and the measures of the sides of triangle A are less then t

neonofarm [45]

Answer:

Triangle B

Step-by-step explanation:

The scale factor is less than 1, so applying that to a geometric figure will make is smaller. Since the smaller triangle is A, it is the result of applying the scale factor to original triangle B.

7 0

3 years ago

Is the square root of 33 irrational?

maks197457 [2]

I’m gonna say no since it’s 5.74 and it isn’t repeating

6 0

4 years ago