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Andrews [41]
2 years ago
6

-17+25-42+32+56-69+19-101+62 Ayuda porfa con operaciones

Mathematics
1 answer:
lora16 [44]2 years ago
5 0

Answer:

es -35

-229+194 = -35

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I dunno if u can see the questions but I need help in questions 3 and 4. Can I have a step by step with that as well please? Tha
Kruka [31]

Answer:

#3: 84 books

#4: 90 pounds

Step-by-step explanation:

#3: 14*6= 84

#4: 30*3= 90

Hope this helps!!

3 0
2 years ago
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Five swimmers entered a competition. Four of the swimmers have had their turns. Their scores are 10.8s, 10.75s, 10.79s and 10.81
Shalnov [3]

Answer:

10.74s or faster (lower)

Step-by-step explanation:

The lowest time out of all of them is 10.75, so to all the 5th swimmer needs to do to win is to undercut the swimmer who got 10.75s by a 100th of a second. i.e 10.74s or faster (lower) would win.

6 0
3 years ago
1. What is the distance between the points (-2, 5) and (4, 7)? Round to the nearest tenth.
taurus [48]
1. I think this one is 1/3

2. 38 feet
8 0
2 years ago
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Problem Page The price of a notebook was $3.90 yesterday. Today, the price fell to $3.40 . Find the percentage decrease. Round y
OleMash [197]
Always find the difference in prices first. 
<span>3.45 - 3.20 = $.25 difference </span>

<span>Always divide the difference by the original price. Change this number into a per cent. </span>
<span>.25/3.45 = .07246 = 7.2% decrease </span>
6 0
3 years ago
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Use the identity (x+y)(x^2−xy+y^2)=x^3+y^3 to find the sum of two numbers if the product of the numbers is 28, the sum of the sq
lara31 [8.8K]

Step-by-step explanation:

We have xy = 28, x² + y² = 65 and x³ + y³ = 407.

Since (x + y)(x² - xy + y²) = x³ + y³,

x + y = (x³ + y³)/(x² + y² - xy)

= (407) / [(65) - (28)]

= 407 / 37

= 11.

Hence the sum of the numbers is 11.

4 0
2 years ago
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