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Andrews [41]
3 years ago
14

your friend purchased a medium pizza for $10.31 with with a 30% off coupon. What is the price of a medium pizza without a coupon

.
Mathematics
1 answer:
Olin [163]3 years ago
7 0
$7.22 would be the answer because 70% of 10.31 is what you are looking for which is 7.217 which is rounded to 7.22 I know this is right because I just learned this and I am in advanced math 6th grade.
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( − 1 . 15 ) ⋅ 3 . 2 <br> find the product and explain how you got it
Sveta_85 [38]

Answer: -3.68

Step-by-step explanation:

-1.15*3.2=

-1.15*3+(-1.15*0.2)=

-3.45+(-0.23)=

-3.45-0.23=-3.68

3 0
2 years ago
The area of the base of a cube is 36 in2.<br> What is the total surface area of the cube?
irina [24]
216 in^2 ( its 2 squared but that’s how I can write it on my phone)

All the sides of a cube are the same and there are 6 sides to a cube so if we have 36 as our are of the base then we just have to multiply that by 6

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3 years ago
A dinosaur fossil is 93,550,000 years old. How can you express this age in scientific notation
garik1379 [7]

1. 9.355 × 10^{7} can be used to express the age of the dinosaur fossil.

Step-by-step explanation:

Step 1; To determine which value is the closest to 93,550,000 we must calculate how much the 4 options equal. If there are decimals in the number, they are moved from the decimal part of the number to the integer part with every power of 10 i.e. 2.4 × 10 = 24, 2.44 × 10² = 244.

Step 2; Now we determine how much the 4 options equal.

1. 9.355 × 10^{7} = 93,550,000.

2. 9 × 10^{7} = 90,000,000.

3. 9.36 × 10^{7} = 93,600,000.

4. 9.3 × 10^{7} = 93,000,000.

Out of the four options, option 1 equals the value of 93,550,000. So option 1 can be used to express the age with the highest precision.

5 0
3 years ago
Read 2 more answers
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Elis [28]

Answer:

75 degrees

Step-by-step explanation:

Complementary angles equal 90 degrees together. That is the case with angle X and Y. Set an equation to describe the situation.

Y=1/5X

X=5Y

Now, set another equation:

X+Y=90

Substitute the first equation into the second one.

5Y+Y=90

6Y=90

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Substitute this once again:

X+15=90

X=75

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Eva8 [605]

Answer:


Step-by-step explanation:

It is (3,-1).

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