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aivan3 [116]
3 years ago
12

Johnny answered 40 questions correctly on his 60 question test. What percent of questions did Johnny answer correctly?

Mathematics
2 answers:
Rzqust [24]3 years ago
4 0

Answer:

66.6%

Step-by-step explanation:

40/60=4/6=2/3

2/3=66.6

stepladder [879]3 years ago
4 0

Answer: 66.6 percent correct me if I’m wrong.

Step-by-step explanation:

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What is the area of the rhombus in simplest radical form? The figure is not drawn to scale.
Tanya [424]

The area of the Rhombus is 162√3 sq.unit , Option A is the correct answer.

<h3>What is a Rhombus ?</h3>

A rhombus is a polygon , which has four equal sides , its diagonal bisect each other at 90 degree.

Let x be the half of the other diagonal.

tan 60 = x / 9

x = 9 tan 60

x = 9√3

Area of the Rhombus = (d1 * d2 /2 )

d1 and d2 are the length of the diagonal.

Area of the Rhombus = (9*2)(2 *9√3)/2

Area of the Rhombus =162√3 sq.unit

To know more about Rhombus

brainly.com/question/27870968

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6 0
2 years ago
The area of a rectangle is 42 square feet.
Alchen [17]

Answer:

26 ft and 46 ft.

Step-by-step explanation:

The prime  factors of 42 are 2 * 3 * 7.

Possible lengths and widths  are:

L = 7, W = 6 giving a perimeter of  2*7 + 2*6 = 26 ft.

L = 14 , W = 3  giving perimeter = 34 ft.

L = 21, W = 2 giving perimeter = 46 ft.

3 0
3 years ago
maurice has 54 fewer comic books than rebecca.they have 130 comic books together .How many comic books are in maurices collectio
eduard
Answer

Rebecca has 76 comic books
Maurice has 54 comic books

Step-by-step

Since there are 54 fewer comics and together they have 130 comics, you should subtract 54 from 130. Once you do that your answer will be 76; and that is how many comics Rebecca has. And 76+54=130 so Maurice has 54 comics
3 0
3 years ago
A 100-foot ramp is tilted at a 45° angle. How high is the top of the ramp from the ground?
BabaBlast [244]
Setting up a right triangle, the 100 would be the hypotenuse, the 45 would be the angle of elevation, and you're looking for the opposite side.
Sin 45 = x/100
100sin45 = x
100 * ✓(2)/2 = x
50 ✓2 =x
x = 50✓2 ft
4 0
3 years ago
Can you explain the standard form of this and explain the polynomail by degree of this equation
Svetach [21]

Answer:

Standard form:: Ax + By=C

Step-by-step explanation:

7 0
3 years ago
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