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Yuki888 [10]
3 years ago
14

What algebraic expression is 5+3(2x-7)=5+6x-21

Mathematics
1 answer:
Nesterboy [21]3 years ago
7 0
I am hundred percent sure yur answer is 10

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Which expression represents B is decreased by 25%?
emmasim [6.3K]

b is decreased by 25% which means there will be (-ve) sign.

<h3>So,</h3>

b - 0.25b

  • <em>Option 5 is correct!!~</em>
3 0
2 years ago
Can someone please awnser this for me i need to get a b in this class!!!!
Snezhnost [94]

The answer would be 30%

Explanation~

Well, you would have to add 27 and 23 first since, it says, “What percentage of the twelfth grade students have more than one college in mind” then, you’d have to figure out the percentage from there. And the percentage would be, 29.4117647059% of 170, round that to the nearest percent and it’s 30 I’m pretty sure.

3 0
3 years ago
I'm stuck and really need help. I can't figure out the rest.
Ad libitum [116K]

Answer:

The next statements are are;

Statement                                                  {}        Reason

Segment \overline {DC} ≅ Segment \overline {AB}                        {}   CPCTC

\overline {AD} ≅ \overline {BC} and \overline {DC} ≅ \overline {AB}, therefore;

ABCD is a parallelogram                    {}               Parallelogram side theorem

Step-by-step explanation:

Statement                                                  {}        Reason

Segment \overline {DC} ≅ Segment \overline {AB}  by Congruent Parts of Congruent Triangles are Congruent (CPCTC)

Given that \overline {AD} ≅ \overline {BC} and we have that \overline {DC} ≅ \overline {AB}, we get;

ABCD is a parallelogram                    {}               Parallelogram side theorem

The parallelogram side theorem states that a quadrilateral is a parallelogram if it has two pairs or sets of congruent opposite sides.

4 0
3 years ago
Evaluate 3 + (a + 4)(8 - b) when a = 5 and b = 6.<br> The value of the expression is
levacccp [35]

Answer:

21

Step-by-step explanation:

you plug in 5 for a and 6 for b and solve.

8 0
3 years ago
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The travel time between two cities is inversely proportional to the average speed. A train travels between the cities in 3 hours
vagabundo [1.1K]
(I need to answer a question before I ask one)
6 0
3 years ago
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