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lys-0071 [83]
3 years ago
8

What is the value of x if the quadrilateral is a rhombus? please help

Mathematics
2 answers:
trapecia [35]3 years ago
8 0

Answer:  The required value of x is 3.

Step-by-step explanation:  We are given to find the value of x if the quadrilateral shown in the figure is a rhombus.

From the figure, we note that

the lengths of the three sides of the rhombus are 5x units, (4x + 3) units and 15 units.

We know that the lengths of all the four sides of a rhombus are equal, so we get

5x=4x+3=15\\\\\Rightarrow 5x=15\\\\\Rightarrow x=\dfrac{15}{5}\\\\\Rightarrow x=3.

Thus, the required value of x is 3.

stiks02 [169]3 years ago
3 0
In a rhombus, all sides are equal:

5x = 15
and x = 15/5 = 3

(you could have done the same thing with the other side: 5x = 4x +3)


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Explain how you know that 0.38 is a rational number?
dangina [55]

Answer:

0.38 is a rational number because it can be expressed as fraction, and it isn't a repeating decimal.

Step-by-step explanation:

Repeating decimals aren't rational, and all rational numbers can be expressed as a fraction, or they aren't rational.

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3 years ago
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Which variable expression represents the phrase “the quotient of 5 times a number and 2”?
bezimeni [28]

Answer:

5x/2

Step-by-step explanation:

Say the mystery number is "x"

5 times that = 5 * x = 5x

Then the quotient (that means the result of division, so divide!) of that and 2 would give you: 5x/2

3 0
2 years ago
Consider the rates 45 mile in 8 minutes and 4 minutes to travel 25 mile. Select the statement(s) that are true. Multiple select
icang [17]

Answer:

F) The rates are not equivalent.

Step-by-step explanation:

Consider the rates 45 mile in 8 minutes and 4 minutes to travel 25 mile. Select the statement(s) that are true. Multiple select question.

We find the unit rates

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8 minutes = 45 miles

1 minute = x

8 × x = 45 miles × 1 minute

x = 45 miles/8 minutes

x = 5.625 miles/ minute

b) 4 minutes to travel 25 miles. Find the unit rate is minutes per mile

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7 0
2 years ago
The Science Club went on a two-day field trip. The first day the members paid $50 for transportation plus
Anastasy [175]

Answer:

145 + 33n

Step-by-step explanation:

Let

n = number of members in the club

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Cost = 50 + 18n

Day 2:

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Total cost two-day field trip = day 1 + day 2

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An expression that represents the total cost in dollars for two days for the n members of the club is given by 145 + 33n

4 0
3 years ago
A triangular flag has an area of 493 square meters and a height of 17 meters. What is the length of the base
ahrayia [7]

Answer:

\frac{984}{17} or around 57.88

Step-by-step explanation:

We can find the base length by using the formula for the area of a triangle.

A=\frac{bh}{2}

Plug in the values that we know, the area and the height, and solve for b.

493=\frac{17b}{2}

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3 years ago
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