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coldgirl [10]
3 years ago
15

The liabary at a school is organized by fiction and non fiction books there a 3 nonfiction books per 7 fiction books how many to

atle books are there if the liabary has a toaytle of 240 non fiction
books
Mathematics
1 answer:
s344n2d4d5 [400]3 years ago
3 0

Ratio- 3:7


240/3= 80

80x7=560

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the price of a stock went down $4.25 on monday and then down $2.75 on tuesday. what was the overall change in price for the two
Sonja [21]

Answer:

The overall change is -$7.00.

Step-by-step explanation:

If a price goes down $4.25 than it is a negative integer. Same situation if a price goes down $2.75; it is still a negative integer. These two numbers can be expressed as -$4.25 and -$2.75. Finding the overall change causes for adding. Same signs add and keep different signs subtract. -4.25+-2.75=7.00. Therefore, the overall change in price for the two days is -$7.00.

5 0
2 years ago
Complete the square to find<br> the vertex of this parabola.<br> x2 + 10x – y + 15 = 0<br> ([?], [])
prisoha [69]

Answer:

your answer is -5,-10

Step-by-step explanation:

please mark brainliest

8 0
2 years ago
Don’t worry bout the answer on the top but can someone help with two and fast ...???
NemiM [27]
I believe it’s $25.50
5 0
3 years ago
The triangle below has a total perimeter of 450 cm:
Korvikt [17]
Equation: 450 = 128 + 150 + n

work:

1st step:
128+150 = 278

2nd step:
450-278 = 172

answer: 172

3rd step (checking) :
450 = 128 + 150 + 172
450 = 278 + 172
450 = 450

3 0
2 years ago
Please help. I don't understand how to do these problems.
aivan3 [116]

Answer:

11a.  m <1 = 131          12a.  m <1 = 42

11b.  m <2 = 49          12b.  m <3 = 75

11c.  m <3 = 131          12c.  m <4 = 42

11d.  m <4 = 49          12d.  m <5 = 63

11e.  m <5 = 131         12e.  m <6 = 75

11f.  m <6 = 49          12f.  m <7 = 105

11g.  m <8 = 49          12g.  m <8 = 75

11h.  m <9 = 92          12h.  m <10 = 75

11i.  m <10 = 88          12i.  m <11 = 42

11j.  m <11 = 92          12j.  m <12 = 138

11k.  m <12 = 88         12k.  m <13 = 42

11l.  m <13 = 92         12l.  m <14 = 138

11m. m <14 = 88

11n.  m <15 = 92

Step-by-step explanation:

When lines are parallel to  each other than:

Corresponding Angles are equal.

Alternate Interior Angles are equal.

Alternate Exterior Angles are equal.

Consecutive Interior Angles add up to 180 degrees.

You can check some math websites for definitions of these angle relationships.

8 0
3 years ago
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