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uranmaximum [27]
3 years ago
6

Are these answers correct? If not, what would the answers be?

Mathematics
1 answer:
Ludmilka [50]3 years ago
7 0
Yes you have the correct answers for each of the four problems. Nice work.

For anyone curious,
rd = removable discontinuity
id = infinite discontinuity
c = continuous
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Rita purchased two loaves of wheat bread. Each loaf was $1.89. How much
Amanda [17]

Answer: 3.78

Step-by-step explanation:

Because she bought 2 $1.89 loaves, she spent 2 * 1.89, or 3.78 dollars.

Hope it helps <3

8 0
2 years ago
Read 2 more answers
If the standard deviation of an exam is 5, the z-score us 1.95 and the mean is 80; what is the actual test score? (Round the ans
skad [1K]

If the standard deviation of an exam is 5, the z-score us 1.95 and the mean is 80, the actual test score is; 89.75

<h3>How to solve z-score problems?</h3>

We are given;

Standard deviation; s = 5

z-score = 1.95

Mean = 80

Formula for z-score is;

z = (x' - μ)/σ

Thus;

1.95 = (x' - 80)/5

1.95 * 5 = (x' - 80)

9.75 = x' - 80

x' = 80 + 9.75

x' = 89.75

Read more about Z-score Problems at; brainly.com/question/25638875

#SPJ1

6 0
1 year ago
Identify the percent of change as increase or decrease of 138 to 75
RUDIKE [14]
138 x ? = 75
? = 75/138 = 0.544(3sf)
so about 54.35% (2dp) decrease
8 0
2 years ago
Enter the y coordinate of the solution to this system of equations. <br> -2x+3y=-6<br> 5x-6y=15
julia-pushkina [17]
Y coordinate on solving both equations comes out to be 0
-2x+3y=-6
3y = -6+2x
put the value of 3y in equation 2nd
5x-2(-6+2x) =15
5x+12-4x = 15
x=3
put value of X in 3y = -6+2x
3y = -6+2*3 = -6+6 = 0
thus y = 0
7 0
3 years ago
If anyone can, please help me. I have to determine the value of x.
zzz [600]

Answer:

60 I think

Step-by-step explanation:

draw a straight line to make it a triangle then you know that angles in a triangle add up to 180.

so,

180-140=40

180-100=80

40+80=120

180-120=60

x=60

I think it's 60

6 0
3 years ago
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