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Lelechka [254]
3 years ago
15

sandy had 10 dollars in her collection. she gave 3 to her younger sister. her parents were so impressed that they quadrupled her

remaining dolls. write a numerical expression with parentheses for the total number of dolls sandy has now.(do not simplify your expression)
Mathematics
2 answers:
Sholpan [36]3 years ago
8 0
10-3=7 (7*4)=x
hope this is of help

pantera1 [17]3 years ago
7 0
(10-3)*4

Hope this helps!
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I don't understand this, please help ​
dimulka [17.4K]

Answer:

∠2 = 150°, it is a supplementary angle to 30°

∠3 = 30°, it is an alternate angle to 30°

∠4 = 150°, it is a supplementary angle to 30°

∠5 = 30°, it is an alternate angle to 30°

∠6 = 150°, it is a supplementary angle to 30°

∠7 = 30°, it is an alternate angle to 30°

∠8 = 150°, it is a supplementary angle to 30°

6 0
3 years ago
A solid oblique pyramid has a regular hexagonal base with an area of 54StartRoot 3 EndRoot cm2 and an edge length of 6 cm. Angle
Naya [18.7K]

Answer: C. 324 cm∧3

Just took quiz.

7 0
3 years ago
Freddie is walking for a charity at a constant rate. After two hours, Freddie has walked 4 miles. At 4 hours, he had walked 8 mi
lesantik [10]

Answer:

Freddie would have walked 25 miles after 12 and a half hours.

Step-by-step explanation:

Given that Freddie is walking at a constant speed, and after 2 hours he walked 4 miles, while after 4 hours he walked 8 miles, to determine how long he walked 25 miles, the following calculation must be performed:

4/2 = Miles per hour

2 miles per hour

2X = Y

2X = 25

X = 25/2

X = 12.5

Therefore, Freddie would have walked 25 miles after 12 and a half hours.

8 0
2 years ago
The perimeter of a rectangle is 116cm. The length is 10cm greater than twice the width. What is the length of the rectangle? Ple
LiRa [457]
2L + 2W = 116
L = 2W + 10
2(2W+10) + 2W = 6W + 20 = 116
6W = 96
W = 16
L = 2W + 10
L = 2(16) + 10 = 32 + 10 = <u><em>42 cm</em></u>
6 0
3 years ago
Read 2 more answers
Find the slope of each line
meriva

Answer:

- 1/6

Step-by-step explanation:

3 0
2 years ago
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