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Nana76 [90]
2 years ago
9

Write two equivalent ratios for 4:7

Mathematics
2 answers:
Verdich [7]2 years ago
5 0

the answers for the number 4 are

8,12

and the answers for 7 are

14,21

saul85 [17]2 years ago
5 0
8:14 and 12:21 because you just have to multiply each number in the ratio by the same number and if your not sure you have the right answers then just divide both numbers
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F. determine if (x + 3) is a factor of (x) = 2x3 + x2 –8x + 21 by using synthetic division. if so, find the other factors.
babymother [125]
Since its x + 3 we use -3


-3| 2      1      -8      21           (these are the # without the x)
___________________

            -6     15     -21      
-------------------------------
    2      -5      7        0               
 
Drag the 2 down, multiple it by -3 to get -6 
1+(-6) = -5. -5 * -3 =15 . 15+(-8) = 7
7*-3 = -21. -21 +21 = 0 
Since last # is 0 we have a factor.


 factor is 2x^2 -5x -7 (we start with a power 1 less the original.)

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4 0
3 years ago
Red blood cell is about 7.5 micrometers in diameter. A coarse grain of sand is about 70 micrometers in diameter. Find the differ
yarga [219]

Answer:

Difference = 62.5 micrometer

Step-by-step explanation:

Given that:

Diameter of red blood cell = 7.5 micrometer

Diameter of coarse grain of sand = 70 micrometers

For calculating the difference between two diameters, we will subtract the diameter of red blood cell from diameter of grain of sand.

Difference = 70 - 7.5

Difference = 62.5 micrometer

Hence,

Difference = 62.5 micrometer

5 0
3 years ago
Factories create breakers for the following question -15x-6.
Lelechka [254]
-90 sure be your answer

4 0
3 years ago
Please answer this correctly
VladimirAG [237]

Answer:

3/7

Step-by-step explanation:

There are 7 possible outcomes on this spinner. There are 3 odd numbers, so your odds of landing on odds is 3/7.

6 0
2 years ago
Read 2 more answers
Which graph represents the function y = -2x^2 - 5.
Bogdan [553]
The easiest way to know is to look at the last number, -5. That shows where on the y-axis the line will cross. in this function, the graph will cross on -5. So the second graph shows the graph crossing on -5, therefore that would be the correct graph.
5 0
2 years ago
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