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aksik [14]
3 years ago
8

Dave has an 80 question test and he gets 68 write write the question he got correct as a fraction percent and decimal

Mathematics
2 answers:
Mandarinka [93]3 years ago
7 0
0.85
68/80 = 17/20
Just used a calculator lol<span />
abruzzese [7]3 years ago
3 0
Fraction: 68/80= 17/20
percentage: 68% x 80= 54%
decimal: 0.85
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If you roll a dice three times what is the probability of rolling an odd number each time
olasank [31]

Answer:

3/6

Step-by-step explanation:

there are 6 sides: 3 odd and 3 even numbers

if you need to find the probability of rolling an odd number, take the number of odd possibilities and form a fraction with the number of total sides, 6.

so, 3/6 Or 1/2

8 0
3 years ago
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Figure ABCD is a parallelogram. Points X and Y are placed so that BX ≅ DY and CD ⊥ XY.
alisha [4.7K]

A quadrilateral in which opposite sides are parallel is called a parallelogram. The correct option is D.

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

A quadrilateral in which opposite sides are parallel is called a parallelogram. Thus, a parallelogram is always a quadrilateral but a quadrilateral can or cannot be a parallelogram.

For a parallelogram, the opposite sides are equal and parallel to each other. We can write,

AD ≅ BC

Since BX ≅ DY, therefore, we can write,

AB = CD

AX + XB = DY + YC

XB = DY, cancelling both the sides,

AX = YC.

Also, XY is the common side.

Since all the sides are equal also the angle are equal, therefore, it can be written,

AXDY ≅ CYXB

Given the area of CYXB is 71.5 square units. Therefore,

ABCD = CYXB + AXDY

ABCD = 2(CYXB)

ABCD = 143 square units.

Hence, the correct option is D.

Learn more about Parallelogram:

brainly.com/question/1563728

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8 0
2 years ago
Fine the equation of the line through (o, -3) perpendicular to y =4x+4​
svlad2 [7]

Answer:

The equation of the line is y = -\frac{x}{4} - 3

Step-by-step explanation:

Equation of a line:

The equation of a line has the following format:

y = mx + b

In which m is the slope and b is the y-intercept(the value of y when x = 0).

Perpendicular lines:

If two lines are perpendicular, the multiplication of their slopes is -1.

Line perpendicular to y = 4x + 4.

This line has slope 4, so our line will have slope:

4m = -1

m = -\frac{1}{4}

So

y = -\frac{x}{4} + b

Through (0, -3)

This means that b = -3

So

y = -\frac{x}{4} - 3

8 0
3 years ago
What is the equation in slope-intercept form of the line that passes through the points(-4,2) and (12,6) .​
Stels [109]

Answer:

y=0.5x

Step-by-step explanation: Plot the points then draw the line to then use the slope formula y=mx+b m is slope which is 1/2 which is 0.5, you can use either, and b is the y-intercept which is (0,0)

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3 years ago
Tickets are on sale for an upcoming concert at the State Farm Arena in Hidalgo, Texas, which can seat a total of 6,800 people. T
wlad13 [49]

Answer:

Step-by-step explanation:kkbg g

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