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IrinaVladis [17]
3 years ago
7

Can anyone answer this with expanation?​

Mathematics
1 answer:
shusha [124]3 years ago
3 0

18. ∆PQR =~ ∆RPA ( by SAS )

19. ∆DQR =~ ∆PQR ( by AAS )

20. ∆ARO =~ ∆PQO ( by AAS )

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How do I solve these problems?
nydimaria [60]

Answer:

- 32, - 7, 18 and 127, 106, 85

Step-by-step explanation:

Add the common difference d to the previous term

(1)

a₁ = - 32

a₂ = a₁ + 25 = - 32 + 25 = - 7

a₃ = a₂ + 25 = - 7 + 25 = 18

The first 3 terms are - 32, - 7, 18

(2)

a₁ = 127

a₂ = a₁ + d = 127 - 21 = 106

a₃ = a₂ + d = 106 - 21 = 85

The first 3 terms are 127, 106, 85

4 0
3 years ago
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how many different burritos can be made when a customer chooses one item frm each category shown in the table
forsale [732]

Answer:13

Step-by-step explanation:

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3 years ago
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Lin ran 2 3/4 miles in 2/5 of an hour. How far would Lin run in 1 hour?
hoa [83]
\begin{gathered} 2\frac{3}{4}=\frac{8+3}{4}=\frac{11}{4} \\ \frac{11}{4}mi\to\frac{2}{5}h \\ xmi\to1h \end{gathered}

Using cross multiplication:

\begin{gathered} \frac{11}{\frac{4}{x}}=\frac{2}{5} \\ x=\frac{11}{4}\cdot\frac{5}{2} \\ x=\frac{55}{8}mi=6\frac{7}{8}mi \end{gathered}

Convert a mixed number to a fraction:

a\frac{c}{b}=\frac{a\cdot b+c}{b}

3 0
1 year ago
If a bag contains 10,500 ounces (oz) of sand, about how many pounds (lb) does it contain? [1 pound= 16 ounces]
Ivahew [28]

Okay so 1 pound = 16 ounces, and there is 10,500 ounces of sand.

Simply divide 10,500 by 16

10,500 / 16 = 656.25.

So your answer would be A.

4 0
4 years ago
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I am Lyosha [343]

Answer:

2x + 3y

Step-by-step explanation:

10x + 7x - 15x + 3y=

17 x - 15 x + 3y

2x + 3y

7 0
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