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mixer [17]
3 years ago
12

Select all the expression that are equivalent to 1/7^-2​

Mathematics
1 answer:
vivado [14]3 years ago
7 0

Answer:

any awnser that is equivalent to 49 is correct

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At lunch, Kira eats either a burrito containing 490 milligrams of sodium or a peanut butter sandwich containing 700 milligrams o
pshichka [43]
We are given with the data of 490 milligrams of sodium content of burrito and 700 milligrams of sodium content of peanut butter sandwich. The total sodium consumption should be less than 4000 milligrams. We are told to represent he number of microwave burritos as x and the number of peanut butter sandwiches as y. The inequality equation thus is 490 x  + 700 y ≤ 4000. 
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3 years ago
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Lynn and dawn tossed a coin 60 times and got heads 33 times. What is the experimental probability of tossing heads using Lynn an
uysha [10]
The experimental probability would be 33 out of 60 or 55%
6 0
3 years ago
Need some help!<br> please be specific on how to do it
Katyanochek1 [597]

Answer:

Your first step in solving the system would be to substitute the value of a variable into one of the equations

Step-by-step explanation:

We know that x = 2y + 2 and y = -1/3x + 4, so we could insert one of these values as the variable in one of the equations

If we were to insert -1/3x + 4 for y, our new equation would be:

x = 2(-1/3x + 4) + 2 (as you can see, the value of y was inserted into the equation)

4 0
2 years ago
Help me plz, thanks.
chubhunter [2.5K]
6/20 chance or simplified would be 3/10. Answer [D] is correct.
5 0
3 years ago
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In a pack of 52 cards, 4 of the cards are kings. the first card is picked, the results are recorded and the card is returned to
Ulleksa [173]
Total cards = 52

Total kings = 4

P(2 kings) = (4/52)(4/52) = 1/169

Answer : 1/169
8 0
4 years ago
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