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Andrej [43]
3 years ago
13

Urgent help needed with extremely important math test (very behind, please help!)

Mathematics
2 answers:
Savatey [412]3 years ago
8 0
1. 1/2 2. 3/5 3. 1/5
san4es73 [151]3 years ago
5 0

Answer:

20 orders: 1/2 The cupcakes would be: 1/5 and songs would be: 1/4

Step-by-step explanation:

I'm so sorry if I get this wrong! I'm pretty sure im correct but not positive

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Express the ratio below in its simplest form.1:1.5<br>​
Soloha48 [4]

Answer:

that is the simplest form

Step-by-step explanation:

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3 years ago
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Which regions have population ls with 7 as the power of 10
Kryger [21]

From the list, the only region that has a population with seven as the power of ten is Oceania.

<h3>What is the meaning of "the power of ten"?</h3>

In mathematics, large numbers are often expressed as the power of ten. For example 6500 can be expressed as 65 x 10^2 as the exponent (2) indicates the number of zeros.

<h3>What region has a population with seven as the power of ten?</h3>

From the options, the only region that has as a exponent the number seven is Oceania.

Note: This question is incomplete; here is the missing information:

  • In the introduction, we looked at the human populations of different geographic groups. There are about 1 x 10^9 people in Africa, 4.2 x 10^9 in Asia, 7.4 x 10^8 in Northern America, 3.7 x 10^7 in Oceania, and 6 x 10^8 in Latin America and the Caribbean.

Learn more about exponent in: brainly.com/question/5497425

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5 0
2 years ago
Charlie is flying a kite one afternoon and steps on the end of the string to have his
Butoxors [25]

Answer:

roubd it to 20 and you will get 679.90

7 0
3 years ago
Joey spins a spinner and lands on the number 4. Then Jennifer spins and lands on the number 2. Are these events independent or d
miv72 [106K]

Answer:

Independent. The spins do not have any connections nor do the players.

Step-by-step explanation:

7 0
3 years ago
How many subsets of {1, 2, 3, 4, 6, 8, 10, 15} are there for which the sum of the elements is 15?
stepladder [879]

Answer:

512

Step-by-step explanation:

Suppose we ask how many subsets of {1,2,3,4,5} add up to a number ≥8. The crucial idea is that we partition the set into two parts; these two parts are called complements of each other. Obviously, the sum of the two parts must add up to 15. Exactly one of those parts is therefore ≥8. There must be at least one such part, because of the pigeonhole principle (specifically, two 7's are sufficient only to add up to 14). And if one part has sum ≥8, the other part—its complement—must have sum ≤15−8=7

.

For instance, if I divide the set into parts {1,2,4}

and {3,5}, the first part adds up to 7, and its complement adds up to 8

.

Once one makes that observation, the rest of the proof is straightforward. There are 25=32

different subsets of this set (including itself and the empty set). For each one, either its sum, or its complement's sum (but not both), must be ≥8. Since exactly half of the subsets have sum ≥8, the number of such subsets is 32/2, or 16.

8 0
4 years ago
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