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My name is Ann [436]
3 years ago
15

30 POINTS!! HELP!!! WILLBEMARKEDBRAINLIEST!!

Mathematics
2 answers:
Verizon [17]3 years ago
8 0

Answer:

sophie used the wrong height for the pyramid

Step-by-step explanation:

aleksley [76]3 years ago
8 0

Answer:

C. *Sophie used the wrong height for the pyramid.

Step-by-step explanation:

The height of the pyramid should be:

30 - 4 = 26 mm

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108 = 9r<br> I need help with this plz
kondor19780726 [428]

Answer:

r = 12

Step-by-step explanation:

108 = 9r | Given expression

12 = r | Divide both sides by 9. 108 becomes 12 and 9r becomes r.

3 0
3 years ago
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If i have 20 bucks and i give 15 how much do i have now
KATRIN_1 [288]

Answer:

it's 5 because 20 -15 is 5

5 0
4 years ago
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PLEASE HELP ME!! A section of a highway is constructed with a 23% grade. What angle does the highway make with a horizontal line
lesantik [10]

Answer: 77.05

Step-by-step explanation:    1) Draw a right triangle with these measures:

angle with the horizontal: 6 degress

horizontal segment: 5

height: x

2) Definition of tangent : tan(6°) = opposite leg / adjacent leg = x / 5 =>

3) Solve for

x = 5tan(6°) = 77.05

4 0
2 years ago
Please Subtract the Following Fractions.
vovangra [49]

¡Hola!

Your answer to the question is 10/12.

Step-by-step explanation:

By using the y^2-y^1/x^2-x^1

12-2= 10

16-4= 12

So your answer is 10/12.

Hope this Helps!

4 0
3 years ago
What is the value of x if x/ 3 + 1 = -2 ?​
Serga [27]
<h2>Answer:</h2><h3>x = -9</h3>

<h2>Step-by-step explanation:</h2>

<h3><u>Step 1</u>: Simplify both sides of the equation.</h3><h3 /><h3>1/3x+1=−2</h3><h3 /><h3><u>Step 2</u>: Subtract 1 from both sides.</h3><h3 /><h3>1/3x+1−1=−2−1</h3><h3 /><h3>1/3x=−3</h3><h3 /><h3><u>Step 3</u>: Multiply both sides by 3.</h3><h3 /><h3>3*(1/3x)=(3)*(−3)</h3><h3 /><h3>x=−9</h3>
8 0
3 years ago
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