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max2010maxim [7]
3 years ago
8

Mrs.Perez was looking at her back account statement. She noticed that her beginning balance was $500, and she added nothing to h

er account. What was the ending balance on her statement? What property did you apply?
Mathematics
1 answer:
In-s [12.5K]3 years ago
8 0

Answer:

0 because she spends it on nothing

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Help Help!!!!!!!!!!!!!!!
BabaBlast [244]

Answer:

\frac{7}{10} y

Step-by-step explanation:

To add fractions <em>with the same denominator</em>, simply add the numerators:

\frac{a}{b} + \frac{c}{b} = \frac{a+c}{b}

So:

\frac{3}{10} y+\frac{4}{10} y=\frac{7}{10} y

6 0
3 years ago
Suppose that circles R and S have a central angle measuring 80°. Additionally, the measure of the sector for circle R is
riadik2000 [5.3K]
The correct answer is B) 9 m.

The measure of the sector of circle R is 32π/9 m.  The measure of the central angle is 80°.  This means that the sector is 80/360 = 2/9 of the circle.  The area of a circle is given by A=πr², so the area of the sector is A=2/9πr².  To verify this, 2/9π(4²) = 2/9π(16) = 32π/9.

Using this same formula for circle S, we will work backward to find the radius:

18π = 2/9πr²

Multiply both sides by 9:
18*9π = 2πr²
162π = 2πr²

Divide both sides by 2π:
162π/2π = 2πr²/2π
81 = r²

Take the square root of both sides:
√81 = √r² 
9 = r

6 0
4 years ago
Read 2 more answers
For the test, Ben knows that writing a poem will take him 30
Anna71 [15]

Answer:

30+10y < 120

Step-by-step explanation:

5 0
3 years ago
Which property justifies step 3 Given: 4(x - 6) + 12 = 20
kap26 [50]

Answer:

x=8

Step-by-step explanation:

Step 1: Simplify both sides of the equation.

4(x−6)+12=20

(4)(x)+(4)(−6)+12=20(Distribute)

4x+−24+12=20

(4x)+(−24+12)=20(Combine Like Terms)

4x+−12=20

4x−12=20

Step 2: Add 12 to both sides.

4x−12+12=20+12

4x=32

Step 3: Divide both sides by 4.

4x

4

=

32

4

7 0
3 years ago
Convert 1/15 into a decimal correct to 2 decimal places ​
Citrus2011 [14]

Answer:

\frac{1}{15} = 0.\overline{66}

Step-by-step explanation:

We proceed to show the procedure to calculate the given fraction into a decimal form:

1) Since numerator is less than denominator, the integer component of the decimal number is zero:

\frac{1}{15} = 0.xx

2) We multiply the numerator by 10 and find the tenth digit:

\frac{10}{15} = 0

Then,

\frac{1}{15} = 0.0xx

3) We multiply the fraction in 2) by 10 and find the hundredth digit:

\frac{100}{15} = 6

Then,

\frac{1}{15} = 0.66x

And the remainder is:

r = 100-15\times 6

r = 10

4) We multiply the remainder by 10 and divide this result by the denominator to determine the thousandth digit:

\frac{100}{15} = 6

Then,

\frac{1}{15} = 0.666

This question asks us to write a decimal correct to 2 decimal places, which has the characteristic that is infinite periodical decimal. Then, the result correct to 2 decimal places is:

\frac{1}{15} = 0.\overline{66}

3 0
3 years ago
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