Riku says that a and b have the same value in the equations 0.75(a−2)=5.25 and 34b−32=214. Is Riku correct?

Answers

Answer 1

Answer:

riku is is wrong

Step-by-step explanation:

divide each term by 0.75

a-2=5.25/0.75

a-2=7

a=9

34b= 214+32

34b=246

b=123/17

or 7.235

therefore both answers are different


Related Questions

1/2 divided by 3. Please answer quickly. My homework is due in a few mins xd

Answers

Answer:

0.1666666666

I'd say 1.16

how many is 360 divided by 60?​

Answers

Answer: 6

Step-by-step explanation:

360 divided by 60 =6

what is 29 divided 3 and what is the remainder?

Answers

Answer:

9 remainder2

Step-by-step explanation:

Answer:

29 divided by 3 is equal to 9, with the remainder 2.

Step-by-step explanation:

 29 : 3 = 9

- 27

   (2)

The figure below shows a line graph ad two shaded triangles that are similar

Answers

There is no figure...?


A theatre has 46 rows.
There are 42 seats in each row.
During a show at the theatre, there are 50 empty seats.
Work out how many people are watching the show.

Answers

Answer:

1882

Step-by-step explanation:

46x42=1932 1932-50=1882

Find the errors and correct the following mathematical sentences.​

Answers

Answer:

This is your answer

Simplify the expression (4x) −4th power Write your answer using only positive exponents.

Answers

Answer:

4x4x4x4

Step-by-step explanation:

I needed points

Suppose Y is a random variable with ​= 0, and ​= 1, skewness​ = 0, and kurtosis​ = 100. Explain why n random variables drawn from this distribution might have some large outliers. A. There might be some outliers because the skewness of the distribution equals 0. B. There might be some large outliers because​ both, the population variance and standard deviation ​, are equal to 1. C. There might be some outliers because the kurtosis of the distribution equals 100. D. There might be some large outliers because the population equals 0.

Answers

Answer:

C. There might be some outliers because the kurtosis of the distribution equals 100.

Step-by-step explanation:

Kurtosis is about the tail of the distribution. High kurtosis means that the data is heavily in the tails or outliers. The kurtosis of the distribution is 100 means there are outliers and the data lies in the tails. The skewness of the data set is determined by the outliers.

Write the rule for the nth term of the sequence 2, 6, 18, 54, ... Then find a8.

Answers

Answer:

Multiply by 3

a8 = 4,374

Step-by-step explanation:

An item has a listed price of $30. If the sales tax rate is 5%, how much is the sales tax (in dollars)?

Answers

the sales tax would be $1.50

Answer:

$31.50

Step-by-step explanation:

First find 5 percent of 30 which is 5 divided by 100 multiplied by 30 then add the answer to 30 to get the answer to the question

Help very urgent!!!!

Answers

I think it's B

But it could be C

Or maybe A

Perhaps it might be D

Step-by-step explanation:

Calculate the area of the given circle.

Answers

Answer:

63.59 (c)

Step-by-step explanation:

Formula: π[tex]r^{2}[/tex]

Plug in data:

9cm is diameter and a radius is half a diameter so the radius is 4.5cm.

π x 4.5^2 = 63.59cm^2

Four times the sum n plus 10 is 34 what is the value of n?

Answers

Answer:

4(10+n)=34

40+4n=34

4n=-6

n=-6/4=-3/2

Step-by-step explanation:

Answer: 4n+40=34

Step-by-step explanation:

I got it right

evaluate this surd √50+√18-√98​

Answers

.......the answer is 7.26

What is the equation of the line with slope 13 and y intercept-6

Answers

Answer:

y = 13x - 6

Step-by-step explanation:

Hope This Helps ;)

Plz Mark Brainliest!!!

Two linear functions are shown. Which function has the greater initial​ value?

Answers

Answer:

Function A has the greater initial value because the initial value for Function A is 6 and the initial value for Function B is 3.

Step-by-step explanation:

✔️Function A:

Initial value = y-intercept (b)

y-intercept is the value of y, when the corresponding value of x = 0

From the table, y = 6 when x = 0.

The y-intercept of function A = 6

Therefore, initial value for Function A = 6

✔️Function B:

y = 4x + 3 is given in the slope-intercept form, y = mx + b.

b = y-intercept = initial value.

Therefore

Initial value for Function B = 3

✔️Function A has the greater initial value because the initial value for Function A is 6 and the initial value for Function B is 3.

Each stew pot can hold 6 liters of stew if there are 5 stew pots how much stew could be made at one time

Answers

Answer:

Step-by-step explanation:

5p(6L/p)=30L

30 liters can be made with the five pots.

30 liters - 6 liters times 5 liters equals 30 liters

The botanist would like to estimate the average weight of mustard seeds grown in a certain type of soil; weight of the seeds is known to follow a normal distribution. The botanist collects a random sample of 10 mustard seeds and finds that the sample average and sample standard deviation are 528 mg and 49 mg respectively. Select from the following the correct 90% confidence interval for the true average weight of mustard seeds grown in Soil Type A using the above sample data.

a. (480.1, 539.9)
b. (525.2, 534.8)
c. (479.4, 540.6)
d. (473.6, 546.4)
e. The necessary assumptions have not been satisfied and the calculation cannot be performed.
f. (469.4, 550.6)

Answers

Answer:

The correct 90% confidence interval for the true average weight of mustard seeds grown in Soil Type A using the above sample data is (499.6, 556.4).

Step-by-step explanation:

We have the standard deviation for the sample, so we use the t-distribution to solve this question.

T interval

The first step to solve this problem is finding how many degrees of freedom, we have. This is the sample size subtracted by 1. So

df = 10 - 1 = 9

90% confidence interval

Now, we have to find a value of T, which is found looking at the t table, with 9 degrees of freedom(y-axis) and a confidence level of [tex]1 - \frac{1 - 0.9}{2} = 0.95[/tex]. So we have T = 1.833

The margin of error is:

[tex]M = T\frac{s}{\sqrt{n}} = 1.833\frac{49}{\sqrt{10}} = 28.4[/tex]

In which s is the standard deviation of the sample and n is the size of the sample.

The lower end of the interval is the sample mean subtracted by M. So it is 528 - 28.4 = 499.6 mg

The upper end of the interval is the sample mean added to M. So it is 528 + 28.4 = 556.4 mg

The correct 90% confidence interval for the true average weight of mustard seeds grown in Soil Type A using the above sample data is (499.6, 556.4).

Find angle a (use info in pic)

Answers

26.9 is the answer for this

Tammy must run more than 67 miles total to reach her fitness goals. She has already run 35 miles and runs 4 miles per day, Which
of the following inequalities could be used to solve for x, the number of days Tammy still needs to run to reach her fitness goals?

Answers

Answer:

[tex]35 + 4x > 67[/tex]

To reach her fitness goal, she needs to run for more than 8 days.

Step-by-step explanation:

She has already run 35 miles and runs 4 miles per day:

This means that after x days, the distance she will have run is:

[tex]D(x) = 35 + 4x[/tex]

Tammy must run more than 67 miles total to reach her fitness goals.

This means that:

[tex]D(x) > 67[/tex]

[tex]35 + 4x > 67[/tex]

The inequality is:

[tex]35 + 4x > 67[/tex]

Solution:

[tex]4x > 32[/tex]

[tex]x > \frac{32}{4}[/tex]

[tex]x > 8[/tex]

To reach her fitness goal, she needs to run for more than 8 days.

Help me please answer this question

Answers

Answer:

y = 7x + 12

Step-by-step explanation:

Slope (m) = 7

Line is passing through the point (0, 12)

y-intercept (b) = 12

Equation of line in slope-intercept form is given as:

[tex]y = mx + b \\ \\ y = 7x + 12[/tex]


a. Identify the relationship between the two
angles.
b. Write the equation used to represent the
relationship between the two angles.
c. Solve for the unknown variable.

Answers

Answer:

a - Mutual

b - (x+21)+(2x+3)=90

c - 3x +24 =90

3x=90-24

3x=66

X=22

Solve 7x – 9 = 28 + 4(x – 1).

Answers

7x - 9 = 28 + 4x - 4
7x - 4x = 28 - 4 + 9
3x = 33
x = 11

ill mark brainlist plss help

Answers

Answer:

Pentagon

Step-by-step explanation:

This is my choice. Since a baseball base is a quadrilateral when it has 4 bases, it should pentagon when it has an extra base..

PLS HELP!!! What is the total surface area of the square pyramid whose net is shown below?

400 in^3

1200 in^3

800 in^3

1600 in^3

Answers

Answer:

(20×20)+(2×20×30)

400+1200

1600inches^2

Answer:

1600 in^2

Step-by-step explanation:

We only have to add the areas of one square in the centre and 4 surrounding triangles.

area of the square=20×20=400 in^2

area of one triangle=1/2×20×30=300 in^2

area of four triangles=4×300=1200 in^2

So, total surface area of the square pyramid=400+1200=1600 in^2

*The units given should be in^2.

Find the mean absolute deviation (MAD) of the data in the dot plot below.
Mass of each rock
in Ricardo's collection
numbers 35 36 37 38 39 40 41 42 43 44

Answers

Answer: 2 grams

Step-by-step explanation:

Answer:

ANSWER IN THE PHOTO: 2

Consecutive angles in a parallelogram
are
A. supplementary
B. convex
C. congruent
D. acute
E parallel

Answers

Consecutive angles in a parallelogram will always sum to 180 degrees. That makes consecutive angles in a parallelogram “supplementary”.

The consecutive angles in a parallelogram are supplementary

What is a Parallelogram?

A parallelogram is a simple quadrilateral with two pairs of parallel sides. The opposite or facing sides of a parallelogram are of equal length and the opposite angles of a parallelogram are of equal measure

The sum of angles of a parallelogram is 360°

The four types are parallelograms, squares, rectangles, and rhombuses

Properties of Parallelogram

Opposite sides are parallel

Opposite sides are congruent

Opposite angles are congruent.

Same-Side interior angles (consecutive angles) are supplementary

Each diagonal of a parallelogram separates it into two congruent triangles

The diagonals of a parallelogram bisect each other

Given data ,

Let the parallelogram be represented as ABCD

Now , In a parallelogram, consecutive angles are always supplementary, which means the sum of two consecutive angles is always 180 degrees

This property holds true for all parallelograms

Hence , the consecutive angles are supplementary

To learn more about parallelogram click :

https://brainly.com/question/23488153

#SPJ7

pretty please help me!!! i’ll mark brainliest! i tried putting this at 13 points!

Answers

Answer:

m∠T = 54°

Step-by-step explanation:

The measure of a straight line is 180°. (Linear angles theorem)

So, m∠WMT + 117° = 180°

m∠WMT = 180 - 117 = 63°

The base angles in an isoceles triangle are equal in measure (base angle theorem)

So,

m∠MWT = m∠WMT

m∠MWT = 63°

The sum of angles in a triangle is 180°. (Sum of angles in a triangle theorem) So,

m∠MWT + m∠WTM + m∠WMT = 180°

Substitute the measures we already found.

63 + m∠WTM + 63 = 180

Simplify.

126 + m∠WTM = 180

m∠WTM = 54°

m∠T = 54°

I hope this helps! Feel free to ask any questions!

Answer:

54°

Step-by-step explanation:

First calculate Angle WMT as: 180° - 117° = 63°

And note that Angle WMT = Angle MWT = 63°

Therefore, Angle T = 180° - 63° - 63°

Angle T = 54°

Find x. Please help i’m really struggling

Answers

x = 35°

i forget what the technical term is but the x angle is equivalent to the opposite angle

Answer:

35 degrees

Step-by-step explanation:

the 35 degrees in blue and the orange x angle are corresponding angles

answer yoyoyo plz yo

Answers

Answer:

(5x)(3x)

Step-by-step explanation:

you would multiply (5x)(3x) first

and your final answer would be 15x ^ 2 - 13x - 6

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