Mathematics Middle School

Can you explain plz help

Answers

Answer 1

Answer

0.7625

Explaination

Divide the numbers

6.1/8 = 0.7625

Related Questions

please help and provide your explanation on how you got that answer :)

Answers

C is the answer
Have a good day

The cost to join the Ski Club is $270. You pay a deposit of $95.50 and plan to save an additional $20 per week to pay for the cost. What equation will you use to find the number of weeks x you will need to save? *

Answers

Answer:

9 weeks

Step-by-step explanation:

he will need to save for 9 weeks and will have 5.5 dollars left over

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Tell whether the ratios form a proportion. 2 : 4/5, 3/4 : 3/10

Answers

3/4 proportal! hope it helps <3

Yes, they are in proportion as both the ratios equal to 5 : 2.

what is ratio and proportion?

A ratio is an ordered pair of numbers a and b, written a / b where b does not equal 0. A proportion is an equation in which two ratios are set equal to each other.

Given here first ratio as = 2 : 4/5

= 10 : 4

= 5 : 2

and the second ratio as = 3/4 : 3/10

= 1/4 : 1/10

=10 : 4

= 5 : 2

Hence both the ratio are equal and therefore in proportion.

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y = 0.5x - 2 ______

Identify the constant of proportionality.

Answers

Answer:

1/9 is the constant of proportionality

Step-by-step explanation:

algebra 1 pls help and brainilest if correct reported if not answered. Pls explain answer if you can. thank you :)

Answers

Answer:

b i think

Step-by-step explanation:

The answer is B because as you can see on the graph the line is increasing going up the scale. So she has to be increasing her speed.

0.22 ÷ [7.9 - (4.1 +1.8)]
help me asap i will give brainliest

Answers

You can use an app called desmos

.11 so you the the 4.1 + 1.8= 5.9 then 7.9-5.9= 2 then .22 divided by 2 which equals .11

Jordis took a test with a total of 90 questions. His teacher told him that he must answer 80% of the questions correctly to earn a B. How many questions must he answer correctly to earn the B?

Answers

Answer:

Step-by-step explanation:

G o o g l e

Masses of precious stones are measured in carats, where 1 carat = 200 milligrams.

What is the mass of a 80-dg diamond in carats?

Answers

Answer:

2/5 carats, or 0.4 carats

Step-by-step explanation:

200/80 = 2.5

1/2.5 = 0.4

Answer 2/5 carats, or 0.4 carats

Which of the following represents the graph of the equation y= (1)/(2)x + 1?

Answers

B cuz slope is positive and y int is +1

its definitely b !!!

Heather the Hopskotcher has been training for the Hopscotch Hall of Fame Hoopla (it’s a big party). Last week Heather hopscotched for 412 minutes. This week she is taking a break and is going to decrease her training time by 28%. How many minutes will Heather spend hopscotching this week? Round to the nearest minute.
A).296 minutes C).298 minutes
B).297 minutes D).299 minutes

Answers

B I think I’m not sure

Yea I’m pretty sure its B

Simplify 5 − (−1).

a6
b−6
c4
d−4

Answers

Answer:

the answer is 6 because two minuses together make a plus

Answer:

C. 4

Step-by-step explanation:

it is six because 5 - -1 equals 6. However, since the 1 is in parenthesis, the 1 becomes a positive. So, it is 5 - 1 which equals 4.

WILL GIVE BRAINLIEST! DUE TODAY! WILL GIVE EVERYTHING GOOD!!! HELPP!!!

Answers

C I got u don’t worry about it

The answer is c, I just did this test

Please help me with this

Answers

Answer:

1.no

2.no

3.yes

4.no

Step-by-step explanation:

no, no, yes, no

hope this helps ;)

Need help asap
really need help

Answers

Answer:

The answer is g

Step-by-step explanation:

if the x is before the, y it would reflect off the x axis before the y-axis

the answer is g and if you need a step by step message me

Hector has a horrible fear of diving boards. He still shudders when he think about "that one time"... However, he keeps trying to conquer his fear. Yesterday at the pool Hector got scared of the diving board 198 times. Today at the pool he only got scared 124 times. What was the percent decrease in the number of times Hector was scared of the diving board? Round to the nearest percent.
A).37% C).39%
B).38% D).40%

Answers

It is C that’s the answer

The percent decrease in the number of times Hector was scared of the diving board is 37%.

What is Percentage?

percentage, a relative value indicating hundredth parts of any quantity.

Given that,

Yesterday at the pool Hector got scared of the diving board= 198 times

Today at the pool he only got scared = 124 times

Thus he decreases his fear from yesterday to today is

198-124=74.

So now we need to calculate how much is 74 in 198.

Percentage can be calculated by dividing the value by the total value, and multiplying with 100

74/198×100

=37.37%

After rounding to the nearest percent we get=37%.

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Samples of size n= 240 are randomly selected from the population of numbers (O through 20)

produced by a random-number generator, and the variance is found for each sample. What is

the distribution of the sample variances?

normal (approximately)

skewed to the right

skewed to the left

not enough information provided

Answers

the answer isss normal (approximately)

Based on the information provided, it is not possible to identify the distribution of the sample variances, and the correct answer is "not enough information provided.".

What is Sample Variance?

The distribution of data points in a particular data collection around the mean is measured by sample variance. The population is the sum of all observations of a group. When the number of observations rises, calculating the population variance gets complicated.

It is not possible to determine the distribution of the sample variances based on the information provided. The distribution of the sample variances depends on the distribution of the population from which the samples are drawn. Without knowing the distribution of the population, it is not possible to determine the distribution of the sample variances.

Therefore, the correct answer is "not enough information provided."

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The table below shows data from a survey about the amount of times students spend doing homework each week. The students were either in college or in high school:

Which of the choices below best describes how to measure the spread of this data?

A- Both spreads are best described with the IQR.

B- Both spreads are best described with the standard deviation.

C- The college spread is best described by the IQR. The high school spread is best described by the standard deviation.

D- The college spread is best described by the standard deviation. The high school spread is best described by the IQR.

Answers

Answer:

in table data from a survey about the amount of time students spend doing homework each week. The students were either in college or in high school: High Low Q1 Q3 IQR Median Mean σ

College 50 5 7.5 15 7.5 11 13.8 6.4

High School16 0 9.5 14.5 5 13 10.7 5.3 Both spreads are best described with the standard deviation.

Step-by-step explanation:

The true statement is that: (b) Both spreads are best described with the standard deviation.

Outliers

To determine the spread to use for the dataset, we start by checking for outliers using:

[tex]L = Q_1 - 1.5 \times IQR[/tex]

[tex]U = Q_3 + 1.5 \times IQR[/tex]

College

For the college, we have:

[tex]L =8 - 1.5 \times 10 = -7[/tex]

[tex]U = 18 + 1.5 \times 10 = 33[/tex]

The range of the dataset is 6 to 20.

This means that, there is no outlier in the college dataset

High School

For the high school, we have:

[tex]L =5.5 - 1.5 \times 10.5 = -10.25[/tex]

[tex]U = 16 + 1.5 \times 10.5 = 31.75[/tex]

The range of the dataset is 3 to 20.

This means that, there is no outlier in the college dataset

Since there are no outliers in both dataset, then it is best to use the standard deviation to describe the spread

Hence, both spreads are best described with the standard deviation.

Answers

Answer:

61.54%

Step-by-step explanation:

Give me a brainliest if you found this helpful, Please and Thankyou!

You would do 8 divided by 13 to get the awnser. The awnser is approximately 61%.

Rewrite the following without an exponent.
6^-2

Answers

6^-2 = 1/(6^2)= 1/36

The required answer for the following without an exponent is 1/36.

What is an exponent?

An exponent is a number or letter written above and to the right of a mathematical expression called the base.

Now the given exponent is,

6^-2

Using the property,

a⁻ᵇ = 1/aᵇ

Therefore 6^-2 can be written as,

6^-2 = 1/6²

Now since the square of 6 is given as,

6² = 6 x 6 = 36

⇒6^-2 = 1/36

which is required answer for the given exponent.

Thus, the required answer for the following without an exponent is 1/36.

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Match each expression to the scenario it represents.

Expressions
Scenario
the price of a game that’s been discounted
18% off its list price (x)
arrowRight
the price of a toy that sells for 18% more
than the amount (x) needed to build the toy
arrowRight
the volume of water remaining in a tank after
of its original volume (x) is drained out
arrowRight
the total amount of flour in a bakery after receiving new stock equal to of its current stock (x)
arrowRight

Answers

Using proportions, the amounts are given as follows:

18% off: 0.82x.18% more: 1.18x.Volume after [tex]\frac{3}{10}[/tex] is drained out: [tex]\frac{7x}{10}[/tex]New stock: [tex]\frac{13x}{10}[/tex]What is a proportion?

A proportion is a fraction of a total amount, and the measures are related using a rule of three.

In this problem, the amounts are found as follows:

18% off its list price (x), that is, 82% of x, hence 0.82x.Sells for 18% more, that is, 118% = 1.18 of x, hence 1.18x.When three tenths of the volume is drained out, the remainder is 100% = 1x subtracted from that, hence [tex]\frac{7x}{10}[/tex].For the new stock, three tenths of x plus the current stock of x, hence [tex]\frac{3}{10}x + x = \frac{13}{10}x[/tex].

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will give brainliest

Answers

i think it might be f hope this helpes

Pretty sure it’s f idrk

Which situation can be represented by the equation
y=12x?

A.
Victoria went to school for x years.

This is 12 times y, the number of years her brother went to school.

B.
Victoria spent x dollars to buy a gift for her brother.

She gave the cashier y dollars and received $12 in change.

C.
Victoria has y dollars.

This amount is 12 times x, the amount of money in dollars Victoria’s brother has.

D.
Victoria is y years old.
Her age is 12 years greater than x, her brother’s age in years.

Answers

i think it is c but i really dont know

It’s letter see because it says y dollars is equal to the amount of 12 times x

algebra 1 explain ans (if u can) will mark brianilest if correct ty!

Answers

Answer:

the answer is a

Step-by-step explanation:\

The Answer is A because the vertical scaling is on the outside of the brackets while You are translating X and five which is inside the brackets.

I will give brainliest to whoever answers correctly and is first

Answers

120 is the answer I’m not first but that’s alright

Answer:

120 degrees..... do not delete my answer....

Step-by-step explanation:

Help Me With this Question for math plz. I will give Brainliest if correct!!!

Answers

Sorry I don’t know A

What is the equation of the line?

Answers

1352282847738199$:)3782737

y=1/2x+2
hence y=mx+b

The figure below shows a shaded region and a non-shaded region. Angles in the figure that appear to be right angles are right angles.

What is the area, in square feet, of the shaded region?

What is the area, in square feet, of the non-shaded region?

Answers

Answer:

hi 16ft

Step-by-step explanation:

Answer: 16ft

Step-by-step explanation:

A printing error in a math book removed the brackets and parentheses from a numerical expression. Rewrite the expression 32 + 7 x 4 + 5 with parentheses so that it is equivalent to 69

help hopefully i can give brainliest if it works

Answers

Answer: (3^2+7) x 4+5

Step-by-step explanation:

(3^2+7) x 4+5 = (9+7) x 4+5 - square 3

=16 x 4+5 add 9 and 7

=64 + 5 multiply 16 and 4

=69

The printing error in a math book will be 4.

What is Algebra?

Algebra is the study of abstract symbols, while logic is the manipulation of all those ideas.

The acronym PEMDAS stands for Parenthesis, Exponent, Multiplication, Division, Addition, and Subtraction. This approach is used to answer the problem correctly and completely.

A printing error in a math book removed the brackets and parentheses from a numerical expression.

The numerical expression is given below.

⇒ 32 + 7 x 4 + 5

Simplify the numerical expression, then we have

⇒ 32 + (7 x 4) + 5

⇒ 32 + 28 + 5

⇒ 65

The printing error in a math book will be given as,

⇒ 69 - 65

⇒ 4

The printing error in a math book will be 4.

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Name the property of multiplication that is shown by the equation 4x*1=4x

Answers

Answer:

Identity

Step-by-step explanation:

The property of multiplication that is shown by the equation 4x*1=4x will be the identity multiplication property.

What is multiplication?

It is also known as the product. If the object n is given to m times then we just simply multiply them.

According to the 1's identity feature, every integer multiplied by 1 retains its identity.

In other words, the result of multiplying a quantity by one is constant.

a × 1 = a

The equation 4x × 1 = 4x.

The property of multiplication that is shown by the equation 4x × 1 = 4x will be the identity multiplication property.

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algebra 1 brainilest if correct and reported if not answered.

Answers

The answer is D :) hope this helped

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