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anyanavicka [17]
3 years ago
7

PLEASE HELP ME ILL GIVE YOU POINTS

Mathematics
1 answer:
Elena-2011 [213]3 years ago
3 0

I think its B.) because if u count it all properly u would realize that they would all have to same numbers to match

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If A = {4, 7, 10, 13, 17} and B = {3, 5, 7, 9}, then which of the following statements is true?
Marysya12 [62]
I have a feeling, these were the answer choices you were trying to make: <span>A ∪ B = {7}
B ⊆ B
B ⊂ A      Also, the second answer is the only one that's true


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8 0
3 years ago
Is the open sentence 8 - 4x = 4x true or false when x=0
kvasek [131]

It is not true because if you add in 0 the equation would be 8-4(0)=4(0)

4x0 = 0

so it would be 8-0=0 which doesn't add up.

7 0
3 years ago
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Five over seven plus blank over six equals fifty one over forty two
NISA [10]

Answer:

The blank is 3

Step-by-step explanation:

1 - Give the blank a variable

x = our blank

2 - Write it out

\frac{5}{7} + \frac{x}{6} = \frac{51}{42}

3 - Get the denominators equal

\frac{5}{7}(\frac{6}{6}) +\frac{x}{6}(\frac{7}{7}) = \frac{51}{42} \\\frac{30}{42}+\frac{7x}{42} = \frac{51}{42}

4 - Simplify

\frac{30+7x}{42} = \frac{51}{42} \\ \frac{30+7x}{42} = \frac{51}{42}

5 - Solve for the numerators

30+7x = 51

-30         -30

      7x = 21

        x = 3

6 0
3 years ago
Finding interior angles of triangles<br>​
AnnZ [28]

Answer:

A triangle is 180 degrees. Imagine that two angles would be given as maybe 89 and 30 degrees. With these two angles already given you can find the last third angle by adding the 2 given angles and subtracting it from 180. There fore it would look like 180-119=61. 61 would be your unknown angle degree.

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7 0
2 years ago
1. Write a two-column proof for the following conjecture. You may not need to use all of the rows of the two-column table provid
marshall27 [118]

Answer:  

Given: ABCD is a parallelogram.

Prove: Angle A and B are supplementary and C and D are supplementary.

That is, m∠A + m∠B = 180° and m∠C + m∠D = 180°


                Statement                                                Reason

1. ABCD is a parallelogram              1. Given  

2.m∠A=m∠C and m∠B=m∠D         2. Definition of parallelogram.

3.m∠A+m∠B+m∠C+m∠D=360°      3. Definition of quadrilateral

4. m∠A+m∠B+m∠A+m∠B=360°     4. By substitution

⇒ 2( m∠A + m∠B ) = 360°

⇒ m∠A + m∠B = 180°

Similarly, m∠C + m∠D = 180°

5.∠A and ∠C are supplementary,  5. Def. of Supplementary

∠ B and ∠D are supplementary

7 0
3 years ago
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