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vladimir1956 [14]
2 years ago
8

Question 1 Solve the inequality. 2/7>b+5/7

Mathematics
1 answer:
Nat2105 [25]2 years ago
8 0

Answer:

b<negative 4/7

Step-by-step explanation:

negative 4/7 plus5/7= 2/7

so b has to be less than negative 4/7.

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Your score 60, 70, 60, 80 on your first for quizzes in algebra. What do you need to get on your 5th test in order for your avera
mihalych1998 [28]

Answer:

85

Step-by-step explanation:

60+60+70+80+85 = 355

355/5 = 71

4 0
3 years ago
Which of these is NOT equivalent to 2-^3.
shusha [124]
<span>2^2 times 2^-5 i think but i am not positive</span>
7 0
3 years ago
Write the point-slope equation for each line with the given slope and point. y –y1 = m(x – x1) Slope = 5 Point on line = (–1, 3)
snow_lady [41]

Answer:

y-3=5(x+1)

Step-by-step explanation:

Point-Slope form is: y-y_1=m(x-x_1)

'm' - Slope

(x1, y1) - Point Coordinate

We are given the point of (-1,3) and the slope of 5.

Replace 'm' with 5, 'x1' with -1, and 'y1' with 3:

y-y_1=m(x-x_1)\rightarrow\boxed{y-3=5(x+1)}

4 0
3 years ago
A set of raw paired sample data is given below. Convert this raw data into paired ranks, and calculate the value of the rs test
SOVA2 [1]

here is the data set for the complete question

x: 18 21 19 21 20 21

y; 2 14 5 6 18 18

Answer:

B. 0.652

Step-by-step explanation:

x   y   rank of x     rank of y   d         d²

18   2     1                1               0          0

21   14    4                4             0          0

19    5     2               2             0          0

21    6     4               3            1            1

20    18    3             5.5         -2.5      6.25

21     18    4             5.5          -1.5       2.25

∑d² = 8.5

rs = 1 - 6[∑di² + ∑m(m²-1)]/n(n²-1)

= 1 - 6[8.5 +{3(3²-10/12 + 2(2² - 1)/12}]/6(6²-1)

= 1 - 0.348

= 0.652

therefore option b is the right answer.

5 0
3 years ago
Marissa deposited $3,900 into a savings account. How much will Marissa have in her account after 7 years and 6 months at a yearl
REY [17]

Marissa wants to know how much she would make using the simple interest calculation.

She will have $4,432.35

Given data

Principal = $3,900

Time = 7 years 6 months = 7.5 years

Rate = 1.82%

I = A - P = $532.35

Equation:

A = P(1 + rt)

Calculation:

First, converting R percent to r a decimal

r = R/100 = 1.82%/100 = 0.0182 per year.

Solving our equation:

A = 3900(1 + (0.0182 × 7.5)) = 4432.35

A = $4,432.35

The total amount accrued, principal plus interest, from simple interest on a principal of $3,900.00 at a rate of 1.82% per year for 7.5 years is $4,432.35.

Learn more about simple interest here:

brainly.com/question/20690803

3 0
2 years ago
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