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goldenfox [79]
3 years ago
6

7th grade math help me plzzz

Mathematics
1 answer:
Kaylis [27]3 years ago
7 0

Answer:

Step-by-step explanation:

I hope this helps

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A=5 what is the value of 3a^2
LuckyWell [14K]

Answer:

225

Step-by-step explanation:

A = 5. 3A = 3(5) cubed. So 3 times 5 is 15. 15 cubed is 225.

3 0
3 years ago
Soda Tak claims that Diet Tak has 40mg of sodium per can. You work for a consumer organization that tests such claims. You take
matrenka [14]

Answer:

-0.461

Step-by-step explanation:

By formula we know that z is equal to:

z = (x - m) / sd

of the statement we have the following information:

x is the reference value which is 40 mg

m = the sample mean is 42.4 mg,

sd = the standard deviation in all cans is 5.2 mg.

Replacing we have:

z = (40 - 42.4) /5.2

z = -0.461

Therefore the value of z is -0.461

4 0
4 years ago
PLEASE HELP DUE TONIGHT! 100 PTS
Naily [24]

Answer:

a. $15.00

b. $15.00

c. they earn the same. If you divide Carl's hours by the amount of time he works, for instance, 45÷3=15, you get 15 for all of them. They earn the same.

7 0
3 years ago
Read 2 more answers
The phone company Ringular has a monthly cellular plan where a customer pays a flat monthly fee and then a certain amount of mon
nirvana33 [79]
(420,104)(720,164)
slope = (164 - 104) / (720 - 420) = 60/300 = 1/5

y = mx + b
slope(m) = 1/5
(420,104)...x = 420 and y = 104
now we sub and find b, the y int
104 = 1/5(420) + b
104 = 84 + b
104 - 84 = b
20 = b

so ur equation is : y = 1/5x + 20

3 0
4 years ago
Drag each interval to a box to show if the function shown is increasing, decreasing, or
scoundrel [369]

Answer:

Increasing: -10<x<-8. 8<x<10. -2<x<0.

Deacresing: 3<x<7.

Neither Increasing nor decreasing: -8<x<-5

8 0
3 years ago
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