Tom saves $48.50 a month which is the best estimate of how much he will save at the end of the year? A.$300
B.$350
C.$400
D.$600
Answers
50 times 12=600
and 48.5 was rounded up so the answer is teh nnumber <600, but closest to 600
so 600 would be a good estimate=D
12 mohts in year so
48.5 times 12=$582 saved in a year
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We should definitely know the slope formula:
m=y₂-y₁/x₂-x₁
m=
=
The slope of the line that passes through points (-4, 2) and (-1, -2) is
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There are 20 girls in the play.
What is mean by Ratio?
A ratio indicates how many times one number contain in another number. The ratio of two number is written as x : y, which is equivalent to x/y. Where, x and y are individual amount of two quantities. And, Total quantity gives after combine as x + y.
Given that;
There are 32 students in a play.
And, The ratio of girls to all students on the play is 5 : 8.
Now,
Since, The ratio of girls to all students on the play is 5 : 8.
Hence, Number of girls = 5x
And, Number of students = 8x
Here, Number of all students = 32
So, We get;
⇒ 8x = 32
⇒ x = 4
Thus, Number of girls = 5x
= 5 × 4
= 20
Hence, Number of girls = 20
Learn more about the ratio visit:
#SPJ2
whats the value of p and show work
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as all of the terms on the left are 'p's then we consider them to be called like terms. When we have like terms we can add or subtract freely.
so:
20p+22p-12p=90
20p+22p=42p
42p-12p=30p
therefore we get:
30p=90
this is the same as
30*p=90
to find do we need to 'work backwards' to move the 30 to be with 90.
So to 'work backwards' we do the opposite of multiply and divide it instead to both sides of the equation.
30/30*p=90/30
p=90/30
p= 3
Simplify both sides of the equation
20p+22p-12p = 90
Simplify
30p = 90
Divide both sides by 30
30p/30 = 90/30
p = 3
I hope that's help !
Answers
a 1 = 6 , a 2 = a 1 * ( - 4 ) , a 3 = a 2 * ( - 4 ), a 4 = a 3 * ( - 4)...
a 5 = - 384 * ( - 4 ) = 1,536
a 6 = 1536 * ( - 4 ) = - 6,144
a 7 = - 6,144 * ( - 4 ) = 24,576
This is a sum of a geometric sequence:
S 7 = 6 - 24 + 96 - 384 + 1,536 - 6,144 + 24,576 = 19,662
Another way to solve this:
S 7 = a 1 * ( r^n - 1) / ( r - 1 ) = 6 * (( - 4) ^7 - 1 )/ (- 4 - 1)=
= 6 * (-16,385) / (-5 ) = 19,662
The answer is 19,662