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marta [7]
2 years ago
12

What is the aswer ??????​

Mathematics
2 answers:
Rom4ik [11]2 years ago
8 0

Answer:

A is correct don't you know

blagie [28]2 years ago
3 0
A. Prime number is a natural number greater than 1 that is not a product of two smaller natural numbers..
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Students in Miss Mouseley’s fourth grade class are learning multiplication, and they demonstrate mastery by passing assessments.
Alja [10]

Answer:

3 weeks and they both passed 17 test

Step-by-step explanation:

11+2=13  13=2=15  15+2=17

5+2=7  7+5=12  12+=17

by the third week they will both be equal and passed 17 test :)

5 0
3 years ago
Fill in the blank with a number to make the expression a perfect square.
Mariana [72]

Answer: 36

Step-by-step explanation: We can actually mental math this question, since perfect squares are squares obviously, 6 squared is <u>36</u>. Hope this helps, 15402256!

3 0
3 years ago
A linear function and an exponential function are graphed below. Find possible formulas for the functions f(t), in blue, and g(t
Zielflug [23.3K]

Answer:

f(t) = -t + 21

g(t) = 18*e^( - t / 12 + 1/4 )

Step-by-step explanation:

Given:

- The graphs for the similar question is attached.

- The same graph would be used as reference but with different coordinates for point of intersection of f(t) and g(t) @ ( 3 , 18 ) & ( 15 , 6 ).

Find:

- The formulas for functions f(t) and g(t).

Solution:

- First we will determine f(t) the blue graph which is a "linear" function. The general equation for the linear function is given as:

                                    f(t) = m*t + c

Where, m: is the gradient  ( constant )

            c: The f(t) intercept. ( constant )

- The gradient m can be determined by the given points that lie on the graph:

                         m = ( f(t2) - f(t1) ) / ( t2 - t1 )

                         m = ( 6 - 18 ) / ( 15 - 3 )

                         m = -12 / 12 = -1

- The constant c can be evaluated by using any one point and m substituted back into the linear expression as follows:

                          f(t) = -t + c

                          18 = -(3) + c

                           c = 21

- The function f(t) is as follows:

                            f(t) = -t + 21

- The general expression for an exponential function can be written as:

                           g(t) = a*e^(b*t)

Where, a and b are constants to be evaluated.

- We will develop two expressions for g(t) using two given points that lie on the curve as follows:

                           18 = a*e^(3*b)

                           6 = a*e^(15*b)

- Divide the two expressions we have:

                           3 = e^( 3b - 15b )

                           Ln(3) = -12*b

                           b = - Ln(3) / 12

- Then the expression 1 becomes:

                          18 = a*e^( - Ln(3)*3 / 12)

                          18 = 3*a*e^(-1/4)

                           6 = a / e^(0.25)

                           a = 6*e^( 1 / 4 )

- The function g(t) can be expressed as:

                          g(t) = 18*e^( - t / 12 + 1/4 )

3 0
3 years ago
Find the values for a and b that would make the equality true. 4(ax^2 -5x+3)=8x^2 +bx+12
tankabanditka [31]

Answer:

a 2 and b -20

Step-by-step explanation:

5 0
3 years ago
Read 2 more answers
On Monday, the book store sold 75 books. On Tuesday, the bookstore sold 125 books. The bookstore must sell 500 books by Friday.
Anettt [7]
All you have to do is add 125 by 75 and you get 200. Now you have to subtract 500 by 200 which is 300 and here you go your answer is 300. The bookstore has to sell 300 more books in order to sell 500 books by friday
5 0
3 years ago
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