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mote1985 [20]
2 years ago
8

Question

Mathematics
2 answers:
Elena-2011 [213]2 years ago
8 0

Answer:

d = 6t

Step-by-step explanation:

Firstly, lets change the 2 hours and 30 minutes to 2.5 hours, you could devide the time in minutes by 60 to get that number 2[hours]+()[minutes to hours] = 2.5Hours. Anyway, John ran 15 miles in 2.5 hours which means he ran (15÷2.5) in one hour which is equal to 6miles per hour. That means if you multiply the hours he ran by 6 you will get the miles he ran. So the answer would be:

d = 6t  

34kurt2 years ago
3 0
Answer: d=6t
Explanation:
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What is the solution for 3x+10y-12z=40
jeka57 [31]
Answer:<span>x=<span><span><span><span><span>−10/</span>3 </span>y </span>+ <span>4z</span></span>+<span>40/<span>3</span></span></span></span>
8 0
3 years ago
A farmer has 2,928 strawberries. He has 24 boxes and wants an equal number of strawberries in each
melomori [17]

Answer:

122 strawberries

Step-by-step explanation:

divide 2928 by 24 to get the number of strawberries in each box

4 0
3 years ago
Why is it important to look at more than the first two numbers of a pattern to decide the rule for the pattern?
Alexxandr [17]

Answer:

This is important because, the first few numbers might seem to follow a pattern but subsequent numbers might reveal a change in the rule.

Step-by-step explanation:

When studying patterns it is important to evaluate all the figures holistically instead of drawing conclusions based on just the first few numbers because there might be a change in what we felt was obvious on close observance of all the numbers. For example, observe the pattern;

2,4,6, 10, 14, 18, 20, 22, 24

The first two numbers show the addition of two. If a person decides to add 2 to all the figures, he would be wrong because after the first three figures, he would have to add 4 to the numbers.

8 0
2 years ago
Let sets A and B be defined as follows.
VashaNatasha [74]
<h3>Given</h3>

  • Set A: A = {-26, -25, -24, -23, - 22, - 21}
  • Set B: B ∈ {x: x is even, x ≥ 6 and x ≤ 20}

<h3>(a) </h3>

<em />

<em>Cardinality means the number of elements in the set.</em>

Cardinality of the set A:

n(A) = 6, since we can count 6 elements.

Set B has even numbers between 6 and 20, both included:

  • B = {6, 8, 10, 12, 14, 16, 18, 20}

Then its cardinality is:

  • n(B) = 8

<h3>(b) </h3>

To solve this we need to compare the elements of sets A or B with numbers given:

  • -22 ∈ A, True       ⇒  -22 is listed as element of A
  • 6 ∈ B, True          ⇒  6 is listed as element of B
  • - 21 ∉ A, False     ⇒  - 21 is listed as element of A
  • 2 ∈ B, False         ⇒  2 is not listed as element of B
5 0
2 years ago
12 stars / 30 balloons = x / 120 balloons
OlgaM077 [116]

Answer: 48 stard

Step-by-step explanation:

12 stars = 30 balloons

? = 120 balloons

Solve

120/30 x 12 = 48

7 0
3 years ago
Read 2 more answers
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