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harkovskaia [24]
3 years ago
6

Verify that quadrilateral BCDE is a rhombus with vertices B(–2, 0), C(–7, 5), D(0, 6), and E( 5, 1) by showing that all four sid

es are equal.
Mathematics
1 answer:
aleksley [76]3 years ago
8 0
<span>BD=CE= Square Root of 50. BC= CD =DE = EB = Square root of 50</span>
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Consider this equation: –3x – 5 2x = 6which is an equivalent equation after combining like terms?
Alla [95]
-3x-5+2x=6
2x-3x-5=6
-1x-5=6
-x-5=6
-x=11
x=11
an equivilent equaiton is x=11
7 0
4 years ago
If f(x)=x/x+1<br> + 3, what is the value of x if f(3) = 10/3
TiliK225 [7]
10 bec if u take 10/3 and remove the /3 u get the answer
5 0
3 years ago
Which equations are true equations? Select all correct answers. Responses 15052=30−42−12 150 over 5 squared equals 30 minus 4 sq
Helen [10]

All the correct answers of the equations using order of operations are;

B. 8⋅7 ÷ 2 − 12 = 22 − 2⋅3

C. 48 ÷ 8 + 2³ = 5 + 3²

<h3>How to use order of operations?</h3>

The rule used for order of operations is PEMDAS and it states that the order of operation starts with the calculation enclosed in brackets or the parentheses first. Exponents (degrees or square roots) are then operated on, followed by multiplication and division operations, and then addition and subtraction.

Using the PEMDAS rule, the solutions would be as follows:

A. 9² − 7² = 20 ÷ (7 − 2)

81 - 49 = 20 ÷ 5

32 = 4

Thus, this is not true.

B. 8⋅7 ÷ 2 − 12 = 22 − 2⋅3

56 ÷ 2 − 12 = 22 - 6

28 - 12 = 16

16 = 16

Thus, this is true.

C. 48 ÷ 8 + 2³ = 5 + 3²

6 + 2³ = 5 + 9

6 + 8 = 14

14 = 14

Thus, this is true.

D. 150 ÷ 5² = 30 − 4² − 12

150 ÷ 25 = 30 − 16 − 12

6 = 30 - 28

6 = 2

Thus, this is not true.

Read more about Order of operations at; brainly.com/question/550188

#SPJ1

Complete question is;

Which equations are true equations? Select all correct answers.

A. 9² − 7² = 20 ÷ (7 − 2)

B. 8⋅7 ÷ 2 − 12 = 22 − 2⋅3

C. 48 ÷ 8 + 2³ = 5 + 3²

D. 150 ÷ 5² = 30 − 4² − 12

8 0
1 year ago
Identify the graph of the inequality 2(2x - 1) + 7 &lt; 13 or -2x + 55-10.
lutik1710 [3]

Answer:

The answer is the last one.

Step-by-step explanation:

Firstly, look at the first inequality and we get 4x+5, so x. In the second inequality, we have 15\leq 2x, so x\ge 7.5. Together, we know that the answer is the last one.

3 0
3 years ago
The actual distance between Point A and Point B is 200 meters. A length of 1.9 feet represents this distance on a certain wall m
never [62]

Answer:

So the map has a scale of 1 cm: 20 km. Next, you look at how far they are apart and see if the scale and the distance on the map are the same measurement. In this case, they are both centimeters so they stay the same. Then, all you do is multiple the real size, 20 km, by  

2.5/1 .    Then, 20 x 2.5=50. So the answer is 50 km<-------------- Final answer

Hope this helps,

Adrian

Step-by-step explanation:

6 0
4 years ago
Read 2 more answers
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