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Alona [7]
2 years ago
12

7th grade math help me plzzzz

Mathematics
2 answers:
Nataly_w [17]2 years ago
5 0

Answer:

<h3>The correct answer is <u>D: -30</u></h3>
Rashid [163]2 years ago
3 0
D -30

5(-6) multiply
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Which ratio is greater than 5/8 , A. 12/24 B. 3/4 C. 15/24 D.4/12
-Dominant- [34]

Answer:

B. 3/4

Step-by-step explanation:

5/8  Get a common denominator of 24

5/8 *3/3 = 15/24

A. 12/24  this is less than

B. 3/4 *6/6 = 18/24  greater than

C. 15/24  same value so equal to

D.4/12 * 2/ = 8/24  less than

4 0
3 years ago
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211135.711111 write this in cash price (dollars)
aleksklad [387]
211,135.71 merry christmas
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2 years ago
Find the sum of the first one hundred positive integers. see fig 6.26
nignag [31]
Here's a pattern to consider:
1+100=101
2+99=101
3+98=101
4+97=101
5+96=101
.....
This question relates to the discovery of Gauss, a mathematician. He found out that if you split 100 from 1-50 and 51-100, you could add them from each end to get a sum of 101. As there are 50 sets of addition, then the total is 50×101=5050
So, the sum of the first 100 positive integers is 5050.

Quick note
We can use a formula to find out the sum of an arithmetic series:
s =  \frac{n(n + 1)}{2}
Where s is the sum of the series and n is the number of terms in the series. It works for the above problem.
8 0
3 years ago
A manufator makes two different sizes of spherical ball bEARINGS for use in motors. If the radius of the larger ball bearing is
Ede4ka [16]

Answer:

D) 8

Step-by-step explanation:

V Large = 4/3 Pi (2r) Cube

V Small = 4/3 Pi (r) Cube

8 r Cube/ r Cube = 8

8 0
2 years ago
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Hi can someone help me with question and how you got the answer? thanks :)
Triss [41]

Answer:

Convert 27 4/3 to an improper fraction.

Step-by-step explanation:

Exact Form:

85/3

Decimal Form:

28.¯3

Mixed Number Form:

28 1/3

5 0
2 years ago
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