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Tcecarenko [31]
3 years ago
9

What is the answer i need help ASAP

Mathematics
2 answers:
fgiga [73]3 years ago
7 0

2*10(small one)

the small one equals to nothing

so 2* 10 is 20

the next day 40 dogs

20+40 is 60

60 DOGS

Delicious77 [7]3 years ago
6 0
Well I explain like, Maria saw 2x10^1=20 in the park over two days.
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A baseball bat cost $28. There is a 25% discount. How much will you pay after the discount?
Alex17521 [72]

Answer:

$21

Step-by-step explanation:

1/4 of 28=7

so 28-7=$21

6 0
3 years ago
Read 2 more answers
Draw line segment AB - 7cm and bisect it using compass.​
Fed [463]

Answer:

<h2>Your answer is in picture.</h2><h3>Steps of construction: </h3>

(i) Draw a line segment AB = 7 cm.

(ii) With A as centre and radius more than half of AB, draw arcs, one on each side of AB.

(iii) With B as centre and same radius as before, draw arcs, cutting the previously drawn arcs at X and Y respectively.

(iv) Now join XY, meeting AB at O.

Thus, XY is the perpendicular bisector of AB.

Step-by-step explanation:

Hope it is helpful....

6 0
3 years ago
In a data set with a normal distribution, the mean is 59 and the standard deviation is 3.
Delicious77 [7]

Answer:

Part A: 81.5%

Part B: About 95% of the data lie between 53 and 65.

Step-by-step explanation:

Note: the percentages marked in red and blue never change

For Part A, we add the percentages that are between 53 and 62. So, 34% + 34% + 13.5% which is 81.5%

For Part B, we can look at this graph and seen that 95% of this data set lies between 53 and 65

Hope this is correct and of help!

4 0
2 years ago
Enter the values for the highlighted variables to<br> complete the steps to find the sum:
Rina8888 [55]

Answer:

a=-1

b=-9

c=9

d=3

e=3

f=2

g=1.5

Step-by-step explanation:

4 0
3 years ago
The​ _________ of a hypothesis test is the probability ​(1minus beta​) of rejecting a false null hypothesis.
alex41 [277]

Answer:

Power

Step-by-step explanation:

An hypothesis is usually formulated at the beginning of research, it is usually in line with the problem statement and gives the possible outcome.

An hypothesis is either accepted or rejected.

Power in hypothesis is the probability of rejecting null hypothesis when it is false. It helps in making a correct decision by rejecting the null hypothesis when it is not true.

power ranges between 0 to 1 when it is close to 1 it is said to be very strong and has the probability of rejecting a null hypothesis when it is not true.

Power helps to avoid a type II error in statistics.

5 0
3 years ago
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