Briyana has $150, and she needs to save at least $560 for a spring break trip. If she can save $45 per week, how long will it take her to save enough money? Let w = weeks saving money. Write an inequality to describe the situation.
45w + 150< 560
45w + 150> 560
150w + 45< 560
150w + 45 > 560
Answers
Answer: The answer is (B)
45w + 150> 560.
Step-by-step explanation: Given that 'w' represents the number of weeks s
Briyana saves money.
Since she can save $45 per week, so the amount of money she can save in 'w' weeks is $45w.
Also, she has $150 already with her, so the total amount of money saved is given by (45w + 150).
Now, since she needs to save at least $560, so we must have
45w + 150 > 560.
Thus, (B) is the correct option.
Answer:
b
Step-by-step explanation:
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Leif knows that the land area of the United States is approximately 9 x 10^6 square kilometers. He is traveling to Norway to visit her grandfather. He knows the land area of Norway is approximately 3 x 10^4 square kilometers. About how many times greater is the land area of the United States than that of NorwayA.3B.30C.300D.3000Work must be shown
- 18 < - 3x + 9 < 12
Is it possible for ones persons weight to be 200% more than another persons weight
True
False
Answers
Answer:
True dat my dudes
Answers
This property dictates that you can add regardless of how the numbers are grouped.
Thank u
Answers
Answer:
Step-by-step explanation:
Left
When a square = a linear, always expand the squared expression.
x^2 - 2x + 1 = 3x - 5 Subtract 3x from both sides
x^2 - 2x - 3x + 1 = -5
x^2 - 5x +1 = - 5 Add 5 to both sides
x^2 - 5x + 1 + 5 = -5 + 5
x^2 - 5x + 6 = 0
This factors
(x - 2)(x - 3)
So one solution is x = 2 and the other is x = 3
Second from the Left
i = sqrt(-1)
i^2 = - 1
i^4 = (i^2)(i^2)
i^4 = - 1 * -1
i^4 = 1
16(i^4) - 8(i^2) + 4
16(1) - 8(-1) + 4
16 + 8 + 4
28
Second from the Right
This one is rather long. I'll get you the equations, you can solve for a and b. Maybe not as long as I think.
12 = 8a + b
17 = 12a + b Subtract
-5 = - 4a
a = - 5/-4 = 1.25
12 = 8*1.25 + b
12 = 10 + b
b = 12 - 10
b = 2
Now they want a + b
a + b = 1.25 + 2 = 3.25
Right
One of the ways to do this is to take out the common factor. You could also expand the square and remove the brackets of (2x - 2). Both will give you the same answer. I think expansion might be easier for you to understand, but the common factor method is shorter.
(2x - 2)^2 = 4x^2 - 8x + 4
4x^2 - 8x + 4 - 2x + 2
4x^2 - 10x + 6 The problem is factoring since neither of the first two equations work.
(2x - 2)(2x - 3) This is correct.
So the answer is D
Answers
Answer:
43.96 inches
Step-by-step explanation:
The formula that you have to find the circumference is.
C = π d
Here,
C = circumference
d = diameter
Let us find now.
C = π d
C = π × 14
C = 3.14 × 14
C = 43.96 inches
Hope this helps you :-)
Let me know if you have any other questions :-)
Answers
and see what I can do with it:
[ 1/(x+3)² - 1/x² ] / 3
Multiply the top and bottom by (x+3)² :
[ 1 - (x+3)²/x² ] / 3 (x+3)²
Multiply the top and bottom by x² :
[ x² - (x+3)² ] / 3 x² (x+3)²
Now it's just a matter of expanding and cleaning things up,
and hope and pray that a lot of things cancel.
Eliminate the parentheses on top and bottom:
[ x² - x² - 6x -9 ] / 3 x² (x² + 6x + 9)
Combine the x² terms on top, and divide top and bottom by 3 :
[ - 2x - 3 ] / x² (x² + 6x + 9)
Finally, all I can make of this is:
- (2x + 3) / [ x(x+3) ]² .
That's not a whole lot prettier than the original form, but at least
we got rid of those fractions in the numerator of a fraction.
I hope this is some help to you.
Answers
52.192 = 52.2 to the tenth place
0.61 = 1 to the unit(ones) place
348.508 = 348.51 to the hundredth place
18)52.200
19)1.00
20)348.510