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vivado [14]
3 years ago
5

Math help pls answer

Mathematics
1 answer:
Anika [276]3 years ago
5 0

Answer:

-7  -4  0 1 7

Step-by-step explanation:

x=0

x²-49=0

x²=49

x=±7

x²+3x-4= ² + 4 − − 4= ( + 4 ) − 1 ( + 4 )=(x+4)(x-1)=0

x+4=0

x=-4

x=1

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What is 2540.25 to the nearest dollar​
mafiozo [28]

Answer:

$2540

Step-by-step explanation:

$ Dollar is a whole number. To round to the nearest whole dollar, round to the nearest whole number.

In this case, look at the tenth place. Is the number (2) greater than or equal to 5? For the question, the tenth place (2) is less than 5, so you round down.

$2540.25 rounded to the nearest dollar is $2540.

~

6 0
3 years ago
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Shaunta is developing a recursive formula to represent an arithmetic sequence in which 5 is added to each term to determine each
mariarad [96]

Answer:

  f(n+1) = f(n) +5

Step-by-step explanation:

Since f(n) is a term, and f(n+1) is the next term, and since the next term is 5 more than the one before, you expect the formula to look like

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6 0
3 years ago
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Find the area of the shaded portion of the figure. Each vertex of square ABCD is at the center of a circle. Round your answer to
IrinaK [193]

<u>Given:</u>

Each circle has a diameter of 2 inches each.

The outer square has a side length of 4 inches and the square ABCD has a side length of 2 inches.

<u>To find:</u>

The area of the shaded region.

<u>Solution:</u>

Each circle has a diameter of 2 inches. The square ABCD is at the center of each circle so it has a side length of 1 inch.

To determine the area of the shaded region, we subtract the area of the quarter-circles in the square ABCD from the area of the square ABCD.

The area of a quarter-circle =\frac{\pi r^{2} }{4} .

All the quarter-circles have a radius of 1 inch.

The area of 1 quarter-circle =\frac{\pi r^{2} }{4} = \frac{\pi (1^{2}) }{4} = \frac{3.1415}{4} .

The area of 4 quarter-circles =4(\frac{3.1415}{4}) = 3.1415.

So the area of the quarter-circles in the square ABCD is 3.1514 square inches.

The area of a square = a^{2} .

The area of square ABCD =2^{2} =4.

The area of the shaded region =4-3.1415=0.8585.

The area of the shaded region is 0.8585 square inches.

3 0
4 years ago
mark gave 3 raisins to Bob as shown in the diagram at right how does the number of peanuts and raisins on bobs tray compared to
alekssr [168]

The relationship between them is that now Mark has 3 less raisins on his tray and now Bob has 3 more.

7 0
3 years ago
PLEASE HELP!
AveGali [126]
Use slope-intercept form
y=mx+b
m=rise divided by run
basicically
slope is the ratio of how high the graph goes for how far the graph goes
ratio of chang of y to change of x


b=y intercept or where the line crosses the y axis

so we look at the graph
it goes up 2 units for every 4 units it goes right
therefor the slope=2/4=1/2=0.5

y-intercept

we see the it crosses the y axis at the 2 height or point (0,2)
y-interercept=2
y=0.5x+2
tada
the answer is A
3 0
4 years ago
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