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Lubov Fominskaja [6]
3 years ago
9

How can I learn to round better in math

Mathematics
2 answers:
zavuch27 [327]3 years ago
5 0
OKAY SO REMEMBER THIS OKAY...FIVE OR MORE LET IT SOAR
FOUR OR LESS LET IT REST.

HOPE IT WAS USEFUL...

BUT WHAT IT MEANS IS THAT FIVE OR MORE ROUND UP
BUT WHEN FOUR OR LESS IT MEANS LEAVE IT TO THE SAME NUMBER...
love history [14]3 years ago
3 0
I have always followed an easy rule: "five or more raises the score". What it means is if the number is 5 or more, it goes to the next whole. Make sense?
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Graph the line with slope -2/5 and y-intercept -3
aksik [14]

Answer:

emmm we cant graph

Step-by-step explanation:

there   isnt one. just go from the y intercept and go 2 up and 5 left.

6 0
3 years ago
A scientist mixes water (containing no salt) with a solution that contains 35% salt. She wants to obtain 105 ounces of a mixture
dedylja [7]

Answer:

90

Step-by-step explanation:

Start with changing 35% and 30% to a decimal.

35% = .35%

30% = .30%

Then multiply 105 by .30%. ( but don't put the percent sign in the calculator when multiplying)

105 x .30% = 31.5

Then you want to divide 31.5 by .35%

31.5 /  .35% = 90

5 0
3 years ago
The points in the table lie on a line. Find the slope of the line
8090 [49]

Answer:

1/2

Step-by-step explanation:

Pick two of the x's and y's

The first two columns in the table, the x's are -2 and 0 and the y's are 3 and 4.

The x value changes as a +2 and the y value changes from a +1 from the first two columns. Put the +2 as the denominator and the +1 as the numerator. 1/2

5 0
3 years ago
Need help please please!!
love history [14]

Answer:

4

Step-by-step explanation:

Knowing that BA=DA

2x+3=11 minus three from both side

2x=8 divide by 2

x=4

8 0
3 years ago
Solve each equation.SHOW work plz
Studentka2010 [4]
3 \frac{1}{2} r = 28 \\  \frac{7}{2} r = 28 \\  \frac{ \frac{7}{2} }{ \frac{7}{2} } r =  \frac{28}{ \frac{7}{2} }  \\ r =  \frac{ \frac{56}{2} }{ \frac{7}{2} }  \\ r= \frac{56}{7}

1 \frac{1}{2} c =6 \\  \frac{3}{2} c= \frac{12}{2}  \\  \frac{ \frac{3}{2} }{ \frac{3}{2} } c= \frac{ \frac{12}{2} }{ \frac{3}{2} }  \\ c= \frac{ \frac{12}{2} }{ \frac{3}{2} } = \frac{12}{3} =4 \\ c=4

7 0
3 years ago
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