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Lilit [14]
3 years ago
13

Jason went bowling with his family. He rented shoes and bowled 5 games. He also

Mathematics
1 answer:
vichka [17]3 years ago
8 0

Answer:

$21.25

Step-by-step explanation:

With these type of questions, I make a list on all the values I need to find.

-shoes

-5 bowling games

-2 nachos

-3 large sodas

Since we now have our list, we need to find how much these all cost using the chart.

Shoe rental is $2.75

1 bowling game is $2.5, so 5 of those would be 5 × 2.5, which is $12.5

1 nacho is $1.75, so 2 of those would be 2 × 1.75, which is $3.5

1 large soda is $1.5, so 3 of those would be 3 × 1.5, which is $4.5

Now, I would add these up, BUT, Jason has a coupon that takes 25% off all drinks and food.

So, we add the values of the food up, which is $3.5 + $4.5, which is $8.

25% is the same value as 1/4.

So, split 8 into 4 equal parts, which is 4 groups of 2. Take one out, (because we are taking away 25%), you are left with 8-2, which is 6.

Now, we have all our final values:

$2.75 + $12.5 + $6

If we add all those up, we will get $21.25

Therefore, Jason spent <u>$21.25</u> on bowling

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grin007 [14]

Answer:

The radius of the pie is 6.17 in.

Step-by-step explanation:

The formula for arc length as a function of radius is

s = r·Ф, where Ф is the central angle in radians.

Here we know that the arc length is 7.85 in.  Assuming that the whole pie has been cut into 8 equal pieces, the central angle of one such piece is

2π / 8, or π /4 (radians).

thus, s = r·Ф, solved for r, is r = s/Ф

and in this instance r = (7.85 in)/(π/4).  Evaluating this, we get:

                                 r = 6.17 in

The radius of the pie is 6.17 in.

8 0
4 years ago
Factor completely: 3x2 + 12x + 7
zepelin [54]

Answer:

Step-by-step explanation:

Eliminate answer 4 immediately, because (4)(3) is not 7.

Look at answer 2:  7x + 3x = 10x, which does not match the middle term 12x in the original polynomial.  Eliminate answer 2.

Look at answer 1:  1x + 21x = 22x, which does not match the middle term of the original polynomial.   Eliminate answer 1.

All quadratics have solutions.  Let's apply the quadratic formula to 3x^2 + 12x + 7:  Here a = 3, b = 12 and c = 7, so that the discriminant b²-4ac is

12²-4(3)(7), or 144 - 84, or 60.  Being positive, this tells us that the given poly has two real, unequal roots:

      -12 ± √60        -12 + 2√15                     -12 - 2√15

x = ----------------- = -------------------  and   x = --------------------

            3                         3                                     3

Normally, if c is a root, then x - c is a factor.

If we try this here, however, the resulting factors do not at all match any of your answer choices.

Don't be offended...but please ensure you have copied this problem down correctly.

                                                           

3 0
4 years ago
What is the greatest common factor of the polynomial 40x^7+135x^4+5x^4
tensa zangetsu [6.8K]

5x^4

Step-by-step explanation:

simply we take 5x^4 bec. it can be divided by 40 and 135

7 0
3 years ago
Suppose triangle ABC will be dilated using the rule . What will be the distance from the center of dilation, Q, to the image of
Blababa [14]

Answer:

4

Step-by-step explanation:

The rule of dilation is D_{Q,\frac{2}{3}}. This means that each distance QX' is equal to \dfrac{2}{3}QX, where X is initial point and X' is its image after dilation.

Since QA=6, then

QA'=\dfrac{2}{3}\cdot 6=4.

6 0
3 years ago
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What is the value of f(2) for f(x)=2x5−8x4+3x3−4x2+9x−1?(1 point)
Yanka [14]

Answer:

-39

Step-by-step explanation:

just took the quick check

4 0
3 years ago
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