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Georgia [21]
4 years ago
15

What will be the value of y?

Mathematics
2 answers:
Ipatiy [6.2K]4 years ago
7 0

Answer:

40

Step-by-step explanation:

2y - 10 = 70

2y = 70 + 10

2y= 80

y=80/2

y=40

Zigmanuir [339]4 years ago
5 0

Answer:

The answer is 40.

Step-by-step explanation:

Both of the angles given are congruent. 2y-10=70. To get y, you must multiply 2 and 40 together, making 80. Then you subtract it by 10, making it 70 degrees.

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Which pairs of polygons are congruent?
Ronch [10]

The <em><u>correct answer</u></em> is:

pairs 2, 3, and 4

Explanation:

Congruent polygons are polygons that have the same size and the same shape.  We can see from the diagram that the figure in pair 2 has been rotated to form the second figure in the pair.  Since the shape and size were not changed, they are congruent.

The figure in pair 3 has also been rotated; this again preserves size and shape, so the figures are congruent.

The figure in pair 4 sees to have been reflected.  This did not change the size or shape of the figure, so the pair is congruent.

5 0
4 years ago
Read 2 more answers
Prove abcd is a parallelogram
NARA [144]
The longer sides are slanting and the shorter sides arent

8 0
3 years ago
Read 2 more answers
Can someone help me with this question please and thank you
LenaWriter [7]

Answer:

The complete table will be:

x        y

1        5

0.8    4

0.4    2

Step-by-step explanation:

Given rule is:

y = 5x

In the given rule, x is multiplied by 5 to get the values of y. The same rule can be manipulated to find the value of x in terms of y.

\frac{y}{5} = \frac{5x}{5}\\x = \frac{y}{5}

Putting y = 5

x = \frac{y}{5}\\x = \frac{5}{5}\\x = 1

Putting y = 4

x = \frac{y}{5}\\x = \frac{4}{5}\\x = 0.8

Putting y = 2

x = \frac{2}{5}\\x = 0.4

Hence,

The complete table will be:

x        y

1        5

0.8    4

0.4    2

3 0
3 years ago
Tresa drew a quadrilateral with two pairs of parallel sides and four right angles what what quadrilateral could she have drawn
oksian1 [2.3K]

Rectangle and square
8 0
3 years ago
9(m - 3) + 3m = 7m + 43
frozen [14]
\begin{gathered} 9(m-3)+3m=7m+43 \\ \text{Multiply the parenthesis by 9 and you have} \\  \\ (9\times m-9\times\lbrack-3\rbrack)+3m=7m+43 \\ \text{Next you have} \\ 9m-27+3m=7m+43 \\ \text{Note that the 9 multiplies the m to get 9m,} \\ \text{and the 9 also multiplies the negative 3 to arrive at negative 27.} \\ \text{After applying 9 to open the parenthesis, you now have } \\ 9m-27+3m=7m+43 \\ \text{You collect like terms. In this case all expressions that have m are like terms} \\ \text{The ones that does not have m are also like terms but, separate} \\ \text{Collect like terms with m on to the left hand side} \\ 9m+3m-7m=43+27 \\ \text{Note that whenever a positive number moves over across the sign of equality,} \\ it\text{ becomes a negative number and vice versa.} \\ \text{Hence 7m has moved and now becomes -7m} \\ \text{Also -27 has moved and now becomes +27} \\ 9m+3m-7m=43+27 \\ 5m=70 \\ \text{Divide both sides by 5 to eliminate it from the left side} \\ \text{and hence m would now stand alone} \\ \frac{5m}{5}=\frac{70}{5} \\ m=14 \end{gathered}

5 0
2 years ago
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