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frozen [14]
2 years ago
8

What is the answer to 9*20^15-23/5

Mathematics
1 answer:
allsm [11]2 years ago
7 0
Wow this is a little bit complex um 3 hopefully i helped

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What are the values of AB and DE in parallelogram<br><br> ABCD?<br><br> AB=?<br><br> PLEASE HELP
GarryVolchara [31]

Answer:

AB=12

ED=6

Step-by-step explanation:

AB=CD=12

BC=AD=26

ED=26-20=6

5 0
2 years ago
Does secondhand smoke increase the risk of a low weight birth? A baby is “low birth weight” if it weighs less than 5.5 pounds at
11111nata11111 [884]

Answer:

H0: p = 0.078

Ha: p ≠ 0.078

Step-by-step explanation:

The researchers say that the rate is about 7.8%, or 0.078 as a decimal.  That makes that the null hypothesis because using "is" in math is the same as saying "equals" and the null hypothesis always has the statement of equality in it.  The reason there is a not equals to sign in the alternate is for this reason as well.  The researchers say it is about that amount, not more or less than that amount.  So it makes this a 2 tailed test.  If the amount is significantly higher or lower, then we might have to reject the null hypothesis depending on the outcome of the test.

7 0
3 years ago
Can someone help answer this please?
Dmitriy789 [7]
C= (31+7)1/2
Carlos has 19 points

double check
19•2 = 38-7 = 31
7 0
2 years ago
What is the surface area of a pyramid?
devlian [24]
Well, to get the surface area, you do length x width x height. <span>Multiply the side length of the base by the slant height and divide by two. Then, multiply by 4. This will give you the lateral </span>surface area<span> of the </span>pyramid<span>.</span>
6 0
2 years ago
Haruka hiked several kilometers in the morning. She hiked only
Alex_Xolod [135]

Answer:

14 km

Step-by-step explanation:

6 = M - .25M = .75M

M = 6/.75 =  8 km  in the  morning  

8 + 6 = 14

6 0
1 year ago
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