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Klio2033 [76]
3 years ago
10

On a math test, Jessica answered 20% questions incorrectly. She answered 16 questions correctly. How many total questions did sh

e answer?
Mathematics
2 answers:
Tanzania [10]3 years ago
8 0
The answer to the question is 36
shutvik [7]3 years ago
3 0

Answer:

20

Step-by-step explanation:

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In a scale drawing of Sheikra, a designer
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Doodoo

Step-by-step explanation:

doodoo

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The diagram shows the net of a juice box. The box is a rectangular prism. What is the surface area of the juice box?
LenaWriter [7]

Answer:269.6 square centimeters

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3 years ago
How do I find the answers
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3. They're adding by 5 so,

Step-by-step explanation:

6 0
3 years ago
A reflecting pool is shaped like a right triangle with one leg along the wall of a building. the hypotenuse is 9 feet longer tha
morpeh [17]

Answer:

Leg side along the wall = x ft = 8 ft

The other leg side = 7+x ft = 7+8=15 ft

The Hypotenuse =9+x ft = 9+8 = 17 ft

Step-by-step explanation:

In the question, the shape of the pool is right triangle.

Let the leg side along the wall to be the x ft

Let the other leg side  to be 7+x ft

Let the longest side/hypotenuse to be x+9 ft

Apply the Pythagorean relationship where the sum of squares of the legs equals the square of the hypotenuse

This means;

x^2 +(x+7)^2=(x+9)^2\\\\

Expand the terms in brackets

x^2+(x+7)^2=(x+9)^2\\\\\\x^2+x^2+14x+49=x^2+18x+81

collect like terms

x^2+x^2-x^2=18x-14x+81-49\\\\\\x^2=4x+32\\\\\\x^2-4x-32=0

solve for x in the quadratic equation by factorization

x^2-4x-32=0\\\\\\x^2-8x+4x-32=0\\\\\\x(x-8)+4(x-8)=0\\\\\\(x+4)(x-8)=0\\\\\\x+4=0,x=-4\\\\x-8=0,x=8

Taking the positive value of x;

x=8ft

Finding the lengths

Leg side along the wall = x ft = 8 ft

The other leg side = 7+x ft = 7+8=15 ft

The Hypotenuse =9+x ft = 9+8 = 17 ft

6 0
3 years ago
Does 36x+24=12(x+2+2x) , have no solution, one solution, many solutions?
Reika [66]

Answer:

No solution

Step-by-step explanation:

7 0
3 years ago
Read 2 more answers
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