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Naily [24]
2 years ago
9

Show work btw ….. math math math

Mathematics
1 answer:
scoundrel [369]2 years ago
6 0
1,3,5 are congruent.
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(Q1) Which of the following is true about the function y = 3 • 2x?
Virty [35]

Answer: Third option

Step-by-step explanation:

You have the function:

y=3*2^x

Then, if the value of x increases by 1, you obtain:

-Rewrite the function:

y=3*2^{(x+1)}

-Substitute values for x into the function and observe what happen to y. Then:

x=1

y=3*2^{(1+1)}=12

x=2

y=3*2^{(2+1)}=24  

x=3

y=3*2^{(3+1)}=48  

The value of y is doubled.

6 0
3 years ago
Read 2 more answers
Use 425 x 79 = 33575 to work out 425 x 7.9
tester [92]

Answer: \\ 425  \times 7.9 = 425 \times 79 \div 10 = 33575 \div 10 = 3357.5

5 0
3 years ago
Celinda thought of 89.5 in parts, 80 + 9 + 0.5, and divided each part: 80 ÷ 10 = 8; 9 ÷ 10 = or 0.9; 0.5 ÷ 10 = 0.05. Then she a
Arlecino [84]

Answer:

Dividing each part into 10 and then summing the results up, is equivalent to dividing 89.5 into 10.  

Step-by-step explanation:

This example refers to the Distributive Property of the division, which is valid when the dividend is decomposed.

A simple example could be: 400 ÷ 10 = (200 ÷ 10) + (200 ÷ 10)

In the exposed example we know that 89.5 = 80 + 9 + 0.5.

  • <u>Option 1</u>

(80/10) + (9/10) + (0.5/10) =

8 + 0.9 + 0.05=

8.95

  • <u>Option 2</u>

89.5/10 = 8.95

     

8 0
3 years ago
F(x)=-9x^2-2x and g(x)=3x^2+6x-9, find (f-g)(x) and (f-g)(-4)
Sergio039 [100]

Answer:

(f-g)(x) = -12x^{2} - 8x + 9

(f-g)(-4) = -151

Step-by-step explanation:

To find f-g(x) we subtract the common terms. So

f(x) = -9x^{2} - 2x

g(x) = 3x^{2} + 6x - 9

(f-g)(x)

(f-g)(x) = f(x) - g(x) = -9x^{2} - 2x - (3x^{2} + 6x - 9) = -9x^{2} - 2x - 3x^{2} - 6x + 9 = (-9 - 3)x^{2} + (-2 - 6)x + 9 = -12x^{2} - 8x + 9

(f-g)(-4)

(f-g)(x) = -12x^{2} - 8x + 9

We replace x by -4

(f-g)(-4) = -12(-4)^{2} - 8(4) + 9= -151

(f-g)(-4) = -151

5 0
3 years ago
C. Polynomial functions: y = x4 - 3x2 - 3<br>Leading term<br>Leading coefficient :<br>Degree:​
MrRissso [65]

Answer:

Step-by-step explanation:

hello : here is an solution

Leading coefficient :  1  , 0  , -3  ,0  , -3   because : y = 1x4+0x^3 - 3x2+0x - 3

Degree:​ 4

3 0
3 years ago
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