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Mama L [17]
3 years ago
10

Twenty-one less than a number is seven. What is the number? 3 14. 28 147

Mathematics
2 answers:
maks197457 [2]3 years ago
4 0

Answer:

28

Step-by-step explanation:

add 7 + 21

Gnom [1K]3 years ago
4 0

Answer: the answer will be 28

Step-by-step explanation:

First you have to add 21+7 which equals to 28 and that's how I got my answer.

Please mark me brainiiest.

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What is 3/5(15k+10)=12k-9 in steps
Diano4ka-milaya [45]
<em>multiply both sides by 5  </em>        3(15k+10)=5(12k-9)     
<em>get rid of the brackets</em>             45k+30=60k-45
<em>take away 45k to both sides</em>    30=15k-45
<em>plus 45 to both sides</em>               75=15k
<em>divide both by 15</em>                     k=5
8 0
3 years ago
A. Plot the data for the functions f(x) and g(x) on a grid and connect the points.
labwork [276]

Answer:

  a) see the plots below

  b) f(x) is exponential; g(x) is linear (see below for explanation)

  c) the function values are never equal

Step-by-step explanation:

a) a graph of the two function values is attached

__

b) Adjacent values of f(x) have a common ratio of 3, so f(x) is exponential (with a base of 3). Adjacent values of g(x) have a common difference of 2, so g(x) is linear (with a slope of 2).

__

c) At x ≥ 1, the slope of f(x) is greater than the slope of g(x), and the value of f(x) is greater than the value of g(x), so the curves can never cross for x > 1. Similarly, for x ≤ 0, the slope of f(x) is less than the slope of g(x). Once again, f(0) is greater than g(0), so the curves can never cross.

In the region between x=0 and x=1, f(x) remains greater than g(x). The smallest difference is about 0.73, near x = 0.545, where the slopes of the two functions are equal.

4 0
3 years ago
In what ways does adding a constant or coefficient to a quadratic equation affect the graph?
erastova [34]
<span>If you are adding a constant, then the graph is either raised or lowered k units.

For example.... If you have the graph of y = x^2 and now you add 3, so your new graph of x^2 + 3, will be the same graph as x^2 but raised vertically 3 units.
 
The graph of x^2 - 7 will be the graph of x^2 lowered vertically 7 units.


I hope my answer has come to your help. God bless and have a nice day ahead!</span>
4 0
3 years ago
How do I solve this. I'm not getting the correct answer:<br><br> 3 1/8 - 1 1/3
stira [4]
3\frac{1}{8}-1\frac{1}{3}=\\&#10;\frac{25}{8}-\frac{4}{3}=\\&#10;\frac{75}{24}-\frac{32}{24}=\\&#10;\frac{43}{24}&#10;
4 0
3 years ago
Margaret bought 1,575 grams of rice. how many kg of rice is that?
bearhunter [10]
1 kg = 1000 grams

? kg = 1575 grams

1.575 kg = 1575 grams

1,575 grams is 1.575 kilograms.
6 0
3 years ago
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