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2 years ago

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Daniel is collecting stamps. His grandmother gave him 24 stamps to start with. Every week, Daniel's collection increases by 8 st

amps. Let y represent the total number of stamps Daniel has after x weeks.Which type of sequence does the situation represent

1 answer:

kenny6666 [7]2 years ago

8 0

24+8x=y that should be it i hope this helps

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Eighty-five more than the square of a number is the same as the square of the quantity that is 17 less than the number. What is

mario62 [17]

We can turn this word problem into the following equation:
x^2 + 85 = (x - 17)^2
x^2 + 85 = x^2 - 34x + 289
-85 -85
_______________________
x^2 = x^2 - 34x + 204
+34x +34x
_______________________
x^2 + 34x = x^2 + 204
-x^2 -x^2
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34x = 204
Divide 34 on both sides
x = 6.
The number is 6.

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3 years ago

Mr. Robinson took a nap 12 out of the 15 days of his vacation what what percent of Mr. Robinsons vacation did he nap

jonny [76]

Answer:

80%

Step-by-step explanation:

convert to percent:

$\frac{12}{15}*100 = 80 percent$

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2 years ago

A bird's nest is 12 feet above the ground. A mole's den is 12 inches below the ground. What is the difference in height of these

zysi [14]

Answer:

13ft

Step-by-step explanation:

12in = 1ft the difference in height is 13ft

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2 years ago

Annalise makes rectangular patchwork quilts out of leftover fabric scraps. The first scrap she is using to make a quilt has a wi

tekilochka [14]

Answer:

Area = $f(x)=10x^2 + 31x + 15$

Step-by-step explanation:

The function is the area function of a rectangle.

Area of Rectangle = Length * Width

Length of fabric scrap = 5x

Length of rectangular patchwork will be 5x + 3

and

Width of fabric scrap = 2x

Width of rectangular patchwork will be 2x + 5

THus, Area = (5x+3)(2x+5) square feet.

Let's expand:

$Area = f(x) = (5x+3)(2x+5)\\f(x)=10x^2 + 25x + 6x + 15\\f(x)=10x^2 + 31x + 15$

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3 years ago

POSSIBLE POINTS. 7 Two clothing stores are having a sale on all their dress shirts. Store A is charging $15 for each dress shirt

Anon25 [30]

Answer:

The statements are not provided, so i will answer in a general way.

Let's define the variable x as the number of dress shirts brought for some person.

In store A, each one costs $15.

Then the cost of x dress shirts will be:

A(x) = $15*x.

In store B, each one costs $18, but there is a coupon of $9, then we can write the cost in store B as:

B(x) = $18*x - $9.

Now we can find wich store will be cheaper for a given number x, by calculating the difference between A(x) and B(x).

D = A(x) - B(x)

If D is positive, means that B(x) is cheaper.

If D is negative, means that A(x) is cheaper.

If D is equal to zero, means that the cost is the same in both stores.

D = A(x) - B(x) = $15*x - $18*x + $9 = (-$3*x) + $9.

First, let's find for what value of x we have the same cost in both stores:

0 = (-$3*x) + $9.

$9/$3 = 3 = x.

Then for 3 dress shirts, the cost will be the same in each store.

Now, as the coefficient that multiplies x is negative, if we have x > 3, then D will be negative, and if x < 3, D will be positive.

then:

For x = 3, the cost is the same in both stores.

for x > 3, Store A is cheaper.

For x < 2, Store B is cheaper.

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2 years ago