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andrezito [222]
3 years ago
14

Explain how you are able to get the answer without having to multiply 1.23 by 10 thirteen times.​

Mathematics
1 answer:
max2010maxim [7]3 years ago
5 0
We need more context to answer your question
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What is the answer to p+12 =-18
MariettaO [177]

Answer:

p=-30

Step-by-step explanation:

p+12=-18

subtract 12 on both sides and you get p=-30

Hope this helps!!

3 0
3 years ago
Read 2 more answers
Find all rational roots for p(x)=0
Olenka [21]

Answer

C. (5/2, -1/3)

Step by step explanation

Here we use the rational root theorem.

The possible roots are

+1, +3, +5, +15, +1/2, +3/2, +5/2, +15/2, +1/3, +5/3, +1/6 and +5/6

We have to use the synthetic division to find the correct root of this function.

Here the roots are 5/2 and -1/3

Others are not roots of this function.

Let's check x = 5/2  with synthetic division.

5/2)   6   -13   13   -39   -15

-               15    5    45    15

           --------------------------

             6     2   18     6     0

Similarly x = -1/3 is also root of this function.

Answer: C. (5/2, -1/3)


8 0
3 years ago
Assume the line of best fit for a data set is given by y=22x+32. What data points are predicted by the line of best fit? Check a
malfutka [58]
Hi. You have to do trial and error with each of the choices to see which of those apply. They are points on the given function y=22x+32 that lie on point (x,y). Just substitute the x-and y values to the function.

a. (10,480) => x = 10, y = 480
     y = 480 = 22(10) + 32
     480 = 252 (does not apply)

b. (5,142) => x = 5, y = 142
     y = 142= 22(5) + 32
     142 = 142 (apply)

c. (8,208) => x = 8, y = 208
     y = 208 = 22(8) + 32
     208 = 208 (apply)

d. (7,154) => x = 7, y = 154
     y = 154 = 22(7) + 32
     154 = 186 (does not apply)

The answer is B and C.
3 0
3 years ago
Find exact values for sin θ and cos θ if tan θ = -√3 and θ terminates in Quadrant II.
vivado [14]
Hello : 
<span>tan θ = -√3
sin</span>θ = √3/2    1/2                      
cosθ = -1/2   

5 0
3 years ago
2( 10 - a^2 ) + 7a If ( a = 4 )Evaluate each expression
Lostsunrise [7]

Solution:

Given:

2(10-a^2)+7a

when a = 4, substitute for a in the expression;

\begin{gathered} 2(10-a^2)+7a=2(10-4^2)+7(4) \\ =2(10-16)+28 \\ =2(-6)+28 \\ =-12+28 \\ =16 \end{gathered}

Therefore, if (a = 4), then

2(10-a^2)+7a=16

Hence, the answer is 16.

6 0
11 months ago
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