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SIZIF [17.4K]
2 years ago
10

2 The length of Rectangle A is 7x +11. The

Mathematics
1 answer:
MakcuM [25]2 years ago
8 0

Answer:

Step-by-step explanation:

If congruent the sides are equal

15x-9=7x+11

8x=20

x=20/8=2.5

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Three financial institutions, A,B,C, are offering different rates on a loan. Is a offer 3.15 % annual compounded monthly, B offe
coldgirl [10]

Answer:

Step-by-step explanation:

Given that interest rates are as follows:

Let P be 100 dollars for each.

A) 3.15% compounded monthly.

Hence amount = 100(1+\frac{3.15}{1200} )^{12}

Final amount = 103.20 dollars

B) 2.25% compounded quarterly

Final amt. = 100(1+\frac{2.25}{400} )^4

=102.27

C) 2.05% compounded daily

Amount = 100(1+\frac{2.05}{36500} )^{365}

=102.07

Obviously A is the best deal.

8 0
3 years ago
What is the mixed number of 43/8
chubhunter [2.5K]
Divide by a whole number to get 40 which is 5 and then keep left over 3/8 to get mixed number of 5 3/8
4 0
2 years ago
Read 2 more answers
I need to divide this equation:
Luba_88 [7]
1+7/11 = 11/11+7/11 = 18/11 2+1/2 = 4/2+1/2 = 5/2 (18/11)/(5/2) = (18/11)*(2/5) = 36/55
5 0
3 years ago
When Noah goes bowling, his scores are normally distributed with a mean of 150 and a standard deviation of 12. What is the proba
Zarrin [17]

Answer:

The probability of his score being between 135 and 167 is 0.8151 or (0.8151*100=81.51%)

Step-by-step explanation:

Given that:

Mean = μ = 150

SD = σ = 12

Let x1 be the first data point and x2 the second data point

We have to find the z-scores for both data points

x1 = 135

x2 = 167

So,

z_1 = \frac{x_1-mean}{SD}\\= \frac{135-150}{12}\\=\frac{-15}{12}\\=-1.25

And

z_2 = \frac{x_2-mean}{SD}\\z_2 =\frac{167-150}{12}\\=\frac{17}{12}\\= {1.416}

We have to find area to the left of both points then their difference to find the probability.

So,

Area to the left of z1 = 0.1056

Area to the left of z2 = 0.9207

Probability to score between 135 and 167 = z2-z1 = 0.9027-0.1056 = 0.8151

Hence,

The probability of his score being between 135 and 167 is 0.8151 or (0.8151*100=81.51%)

3 0
3 years ago
Number 12.
blondinia [14]

Answer:

22) 22

23) -350

Step-by-step explanation:

22)

1/4 = 0.25 ft

5.5 / 0.25 = 22

Answer: 22 tiles are needed

23)

12(x + 360) = 120

x + 360 = 10

x = - 350

4 0
2 years ago
Read 2 more answers
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