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In-s [12.5K]
3 years ago
15

Subtract the sum of 13 and 6 from 40. *

Mathematics
2 answers:
ANTONII [103]3 years ago
8 0
40-(13+6)
40-19=21
The answer is 21
Helen [10]3 years ago
6 0

Answer:

40-19 = 21

Step-by-step explanation:

I think this is correct dear

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The distance between two cities on a map is 3.25 centimeters. The map used a scale in which 1 centimeter represents 20 kilometer
____ [38]

Answer:

<h2> 65km</h2>

Step-by-step explanation:

Step one:

given

we are told that the distance is 3.25cm on the map

the scale is 1cm to represent 20km

Required

the actual distance

Step two

if 1cm represent 20km

then 3.25cm will represent x km

cross multiply we have

x=2.35*20

x= 65km

Hence,  the actual distance between these two cities in kilometers  65km

6 0
3 years ago
LEon made 4 liters of lemonade for the party, but it was too strong, it was 14% lemon juice. How much 8% lemonade should he add
dsp73
<span>Item       Number of Liters          Percentage of LemoneA                    4        14%B                    x         8%Result           4+x            10%
For a mixture of solutions to form a resulting solution, we know
V1 * N1 + v2 * N2 = V * N
where, V1 = Volume of mixture of 1 N1 = Concentration of mixture 1V2 = Volume of mixture of 2 N2 = Concentration of mixture 2
V = volume of mixture N = Concentration of mixture
So solving we get:
(4+x)*10 = 4*14 + x * 8or, 10x-8x = 4*14-4*10or, 2x = 16or x = 8
so 8 litres of the solution B must be added to the solution<span>
</span></span>
5 0
3 years ago
If x+ 1/x=8, find x^2+ 1/x^2​
Paraphin [41]

Dude please give me brainliest please :)
Also here’s the answer

6 0
2 years ago
Find the slope of the line passing through (6,8) and (-10,3)
KengaRu [80]

Answer:

5/16

Step-by-step explanation:

Use the formula to find slope when 2 points are given.

m = rise/run

m = y2 - y1 / x2 - x1

m = 3 - 8 / -10 - 6

m = -5 / -16

m = 5/16

The slope of the line is 5/16.

8 0
3 years ago
Read 2 more answers
Are they right??? <br><br> Due tomorrow
DedPeter [7]
Yes they are right you did a great job!
8 0
3 years ago
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