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omeli [17]
3 years ago
9

Find two numbers that round to 387.4 when rounded to the nearest ten

Mathematics
1 answer:
maria [59]3 years ago
6 0

Answer:

39

Step-by-step explanation:

4 is once 7 is more than 5 so u have to add 1 number to the 8 so 8 will become 9

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2k•squared• + 7 - 15<br> factoring ax•squared•+bx+c
Rainbow [258]
Calculate Δ = b^2 -4ac => Δ = 169 => k1 = 3/2; k2 = -5 => 2k^2 + 7k - 15 = 2*(k -3/2)(k+5) = (2k - 3)(k+5);
6 0
4 years ago
Tonya has 90 grams of popcorn. She wants to give the popcorn to her 3 friends. She says there are 2 ways that she can give her f
wlad13 [49]

Answer:

well the first way would be by giving them 30 grams of popcorn each. She can also give them each 2 of 15 grams i guess but if that doesn't count you can just put no.

Step-by-step explanation:

4 0
3 years ago
What are the domain and range of each relation?
torisob [31]

Order pairs  given coordinates on the graph: {(−3, 1), (−3, -4), (−1, 1), (1, -1), (4,4)}.


We need to find the domain and range.


<em>Domain of the order pairs are x values of each coordinate and range is the y values of each given coordinate.</em>


Each first value of order pair are the x values and each second value of each order pair are the y values.


In the given coordinates on the graph (−3, 1), (−3, -4), (−1, 1), (1, -1), (4,4), we can see first values are { -3,-1, 1, 4}


and we can see second values are { -4, -1, 1, 4}.

<h3>Therefore, Domain : { -3,-1, 1, 4} and </h3><h3>Range : { -4, -1, 1, 4}</h3>

3 0
4 years ago
A circle has a circumference of 615.44 units. What is the radius of the circle?
Mama L [17]

Answer:

The radius of the circle is r=98\ units

Step-by-step explanation:

we know that

The circumference of a circle is equal to

C=2\pi r

we have

C=615.44\ units

assume

\pi=3.14

substitute and solve for r

615.44=2(3.14)r

r=615.44/6.28

r=98\ units

7 0
3 years ago
Read 2 more answers
The sum of two integers is 18 and their difference is 10. what is the smaller of the two.
tangare [24]
The smaller of the two is 4.


14 + 4 = 18 so then their difference ( 14 - 4 =10) would give you the answer
3 0
4 years ago
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