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Lina20 [59]
3 years ago
14

Simplify the expression. 1.7 – 2.7 – 1.34 + 4.9 – 1.48

Mathematics
2 answers:
lukranit [14]3 years ago
6 0
Work from left to right 
= -1 - 1.34 + 4.9 - 1.48
=-2.34 + 4.9 - 1.48
= 2.56 - 1.48
= 1.08 answer
Lelechka [254]3 years ago
4 0

= -1 - 1.34 + 4.9 - 1.48

=-2.34 + 4.9 - 1.48

= 2.56 - 1.48

= 1.08 answer


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the sum of three numbers is 15. the second number is double the first. the third number is 5 less than the first. what are the t
tigry1 [53]

Hello from MrBillDoesMath!

Answer:

5, 10, 0

Discussion:

Let "f" be the first number. Then the questions tells us that

f + 2f  + (f-5) = 15           =>

f + 2f + f - 5 = 15            => add 5 to both sides

4f = 5+ 15 = 20              => divide both sides by 4

f = 20/4 = 5

The numbers as

f:        5

2f:     10

(f-5):  0

Thank you,

MrB

5 0
2 years ago
6 times the sum of a number and 5 is 16
Taya2010 [7]
6(n+5)=16
Solve for n to get your answer
7 0
3 years ago
1/3 + 1/2 + 1 2/3 - 4/5
mash [69]
17/10
or 1 7/10 
i did it on my calculator lol
3 0
3 years ago
In a simple regression analysis (where y is a dependent and x an independent variable), if the slope is positive, then it must b
Scorpion4ik [409]

Answer:

c. there is a positive correlation in-between x and y

Step-by-step explanation:

A regression line is a line that suggests that all the points in a scatter diagram lie on or near one particular line. In a simple regression analysis in which y is the dependent variable and x is the independent variable. If the slope is positive, the bivariate data is also said to have a positive correlation. The positive correlation in-between two variables x and y implies that in general, an increase in x goes hand in hand with an increase in y.

3 0
2 years ago
Cannon balls for an antique cannon are stacked next to it in four layers to form a square pyramid. How many cannon balls are in
labwork [276]
The amount of balls in a given layer can be found by squaring the layer it is in

4 layers
top layer (1st) is 1
2nd is 4
3rd layer is 9
4th is 16

add them up
1+4+9+16=30

30 in that pyramid
7 0
3 years ago
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