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wel
3 years ago
13

PLEASE HELP!!! A) 1 B) 2 C) 6 D) 10 E) 14

Mathematics
1 answer:
trapecia [35]3 years ago
8 0
Melinda is saving  at the rate of 60/5  = $12 per week
Marcus  is saving $14 per week

Difference is $2 

Melinda is savinf $2 less than marcus each week
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PLEASE HELP‼
stellarik [79]

D. 75 cm

Step-by-step explanation:

fill in the y with 20.5, so you get 20.5=0.3x-2. Add the 2 to the 20.5 so you get 22.5=0.3x. Divide both by 0.3 to get 75=x.

sorry if it's a bd explanation, hope this helps :)

4 0
3 years ago
Find z if X=27, μ=20, and α=3.4. Round to the nearest hundredth if necessary.
Scrat [10]

Answer:

A. Z=2.06

Step-by-step explanation:

We want to find the Z-score of X=27 if the population mean is \mu=20,and the population standard deviation is \sigma=3.4.

We use the formula:

Z=\frac{X-\mu}{\sigma}

We substitute the values to obtain:

Z=\frac{27-20}{3.4}

Z=\frac{7}{3.4}

Z=2.06

The correct answer is A.

7 0
3 years ago
Find the distance between the pair of points: (4,0) and (2,-1)
Marysya12 [62]
The distance is 2.23606 (2.24 rounded)
6 0
1 year ago
Which expression has a negative value? 7+3(-4)(2) -2[12/(-3)] (15-7)-(9/3) -5[7+(-14)]-30
denis23 [38]

Answer:

7+3(-4)(2) -2[12/(-3)] (15-7)-(9/3) -5[7+(-14)]-30= 49

Step-by-step explanation:


4 0
3 years ago
Read 2 more answers
Change 4700 g into kilograms
MaRussiya [10]

Answer:

1000 grams= 1 kilograms

4700 grams = 4.7 kilograms

<h3><u>4.7 kg</u> is the right answer.</h3>
5 0
3 years ago
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