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3 years ago

Rich bought 4 ice cream cones for his kids. The

1 answer:

6 0

Answer: 3 chocolate cones and 1 strawberry cone

explanation: $1.75 x 3 = $5.25
$5.25 + $1.30 = $ 6.55

hope this helps :)

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7. Which two equations are equivalent?

sineoko [7]

Answer:

C. $y=(x-3)^2$ and $y=x^2-6x+9$

Step-by-step explanation:

before answering the problem let us remind the formula for square of sum and differences

$(a+b)^2=a^2+2 \times a \times b + b^2$

$(a-b)^2=a^2-2 \times a \times b + b^2$

We are going to use the above two formulas to solve each part and come to an answer

A. $y = (x + 3)^2$

$(x + 3)^2=x^2+2 \times x \times 3 + 3^2$

$(x + 3)^2=x^2+6x+9$

Hence this option is not correct pair

B. $y = (x-5)^2$

$(x - 5)^2=x^2-2 \times x \times 5 + 5^2$

$(x -5)^2=x^2-10x+25$

Hence this option is also not correct pair

C. $y = (x -3)^2$

$(x - 3)^2=x^2-2 \times x \times 3 + 3^2$

$(x -3)^2=x^2-6x+9$

Hence this option is correct as it have equivalent pair

D. $y = (x + 5)^2$

$(x + 5)^2=x^2+2 \times x \times 5 + 5^2$

$(x + 5)^2=x^2+10x+25$

Hence this option is also not correct pair

6 0

3 years ago

Combinatorics problem. A web site was hit 300 times over a period of 15 days Show that over some period of 3 consecutive days, i

crimeas [40]

Answer:

There is a period of 3 consecutive days in which the website was hits at least 60 times.

Step-by-step explanation:

A web site was hit 300 times over a period of 15 days.

To solve this question we will use the Pigeonhole Principle.

Here, n = 300 and k = 5

We will find $\frac{n}{k}$ to get that there is a hole with at least $\frac{300}{5}=60$ pigeons.

Hence, there is a period of 3 consecutive days in which the website was hits at least 60 times.

6 0

3 years ago

Pleassee help me !!!!!

Leokris [45]

Answer:

what what what what what

5 0

3 years ago

Read 2 more answers

1. Solve: 12 + 24 = 6 x 3 = ?

gulaghasi [49]

Answer:

False

Step-by-step explanation:

12 + 24 = 36

6 * 3 = 18

3 0

3 years ago

Read 2 more answers

Why is (-3,6] a better answer than (-3,6)

Pani-rosa [81]

(-3, 6) includes all numbers between -3 and 6 but it does not include -3 and 6.

when you put square parentheses you include the number on the edge

so if an anwser includes all numbers between -3 and 6 and the number 6 it's correct to write (-3,6]

7 0

2 years ago