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mixer [17]
3 years ago
5

A fruit basket weighing a total of 15 lbs. contains three types of fruit: apples, oranges, and pears. The apples weigh 4 1/2 lbs

. The oranges weigh twice the amount the apples weigh, and the pears weigh the rest. Which of the following expressions could be used to find the weight of the pears?
Answer Choices:
A) (4 1/2+4 1/2 *2) - 15
B) 15 - (4 1/2*2)
C) 15 - (4 1/2+4 1/2 *2)
D) 15 - (9*2)

Help appreciated
Mathematics
1 answer:
frez [133]3 years ago
3 0

Answer:

B is most likely the answer

Step-by-step explanation:

4 1/2 * 2= 9 so 15-9= 6

Pears weight is 6 Ibs and

4 1/2 *2 would make the most sense

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Math Help. Greatly Appreciated
Triss [41]
So we know that the perimeter is 1260 feet and that the length is 100 more than the width, but we don't know that the width is.
So we're going to start with finding the width.
w = (x + x + 100) = 1260
from there we need to combine like terms
x + x = 2x
now we have
2x + 100  = 1260
From there, we will need to remove 100 from both sides, leaving us with
2x = 1160
now we'll need to divide both sides by 2
2x \div 2x = x
1160 \div 2 = 580
We now know that the width is 580, or more simply put, x=580.

Finding the length will be the easy part, as we know that it is just 100 more than the width
580 + 100 = 680
If you want an easier way of finding the length, just subtract the width from the perimeter.
1260 - 580 = 680
Leaving the final answer to be
Width = 580
Length = 680

3 0
3 years ago
What is the product of 2x+ 3 and 4x2 - 5x+ 6?
elena-s [515]

Answer:

8x³ - 25x² - 3x + 18

Step-by-step explanation:

(2x + 3)(4x²- 5x + 6)

multiply 2x by each of the three terms in the second expression to get:

8x³ - 10x² + 12x

now multiply 3 by each of the three terms in the second expression to get:

12x² - 15x + 18

Combine 'like terms': -10x² + (-15x²) = -25x²

Combine 'like terms':  12x + (-15x) = -3x

Put all terms in decreasing exponent order:

8x³ - 25x² - 3x + 18

7 0
3 years ago
Find the equation of the line with slope −2 which goes through the point (9,−7).
goldenfox [79]

Answer:

Here,

slope (m)=-2

y- intercept (c)=-7

Now,

The equation of the line;

or,y=mx+c

or,y= -2x-7

or,2x+y+7=0 is the required equation....

6 0
3 years ago
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Evaluate \frac{7a+b}{b+c} if a=2,b=6,c=4
bezimeni [28]

Answer:

30

Step-by-step explanation:

1. 7 times 2 is 14 + 6 is 20

2. Add 6 + 4 is 10

2. Add 20 and 10, u get 30

Hope this helps, Good Luck!

8 0
3 years ago
Read 2 more answers
Help in Circumference of a circle A small pizza has a diameter of 21 cm.
Novay_Z [31]

The circumference of any circle is (pi) x (the diameter of the circle).

The problem gives you both numbers, so all you have to do is multiply them.

Circumference = (pi) x (diameter) = (3.14) x (21cm) = <em>65.94 cm .</em>


3 0
3 years ago
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