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Andrej [43]
2 years ago
9

Adding -6 is the same as?

Mathematics
1 answer:
Maru [420]2 years ago
4 0
O think it is c subtracting 6 because adding and subtracting is the same so it’s either c or d
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3 - 5y = -37 for math 8th
hram777 [196]

Answer:

y = 8

Step-by-step explanation:

Step 1: Write equation

3 - 5y = -37

Step 2: Subtract 3 on both sides

-5y = -40

Step 3: Divide both sides by -5

y = 8

5 0
3 years ago
Gerald borrowed $750 at 7% simple interest to be paid back in 2 years. How much interest will he pay?
Lisa [10]

Answer:

$105 interest

Step-by-step explanation:

S.I=\frac{PRT}{100}

S.I= \frac{750*7*2}{100}

Interest = $105

5 0
2 years ago
Based on the information below, choose the correct answer.
Arte-miy333 [17]
The dollar amount of each monthly payment is interest
7,865.87÷120=65.55

The percent of the total payments is total interest
(7,865.87÷27,865.87)×100=28.2%
5 0
3 years ago
Help please WORTH 15 POINTS!
lord [1]

Answer:

Step-by-step explanation:

I think it is 22

6 0
3 years ago
Read 2 more answers
Use the table of systolic blood pressures (in mm Hg) in each arm
e-lub [12.9K]

Answer:

The 90% confidence interval would be given by (63.330;81.070)

Step-by-step explanation:

A confidence interval is "a range of values that’s likely to include a population value with a certain degree of confidence. It is often expressed a % whereby a population means lies between an upper and lower interval".

The margin of error is the range of values below and above the sample statistic in a confidence interval.

Normal distribution, is a "probability distribution that is symmetric about the mean, showing that data near the mean are more frequent in occurrence than data far from the mean".

Let put some notation

x=left arm , y = right arm

x: 175 169 182 146 144

y: 102 101 94 79 79

Since the Confidence is 0.90 or 90%, the value of a = 0.1 and a/2= 0.05we can use excel, a calculator or a table to find the critical value. The excel command would be: "=-T.INV(0.05,4)".And we see that ta/2= 2.13

3 0
2 years ago
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