MATHEMATICS HIGH SCHOOL

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Answers

Answer 1
Answer:

Answer:

x=5

Step-by-step explanation:

7x-5=4x+10

3x-5=10

3x=15

x=5

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From his home, Albert would have to walk due north to get to his friend Donald's house and due east to get to his friend Zoe's house. It is 5 kilometers from Albert's house to Zoe's house and a straight-line distance of 9 kilometers from Donald's house to Zoe's house. How far is Albert's house from Donald's house? If necessary, round to the nearest tenth.
What is more precise 4.33g;4337mg
Brody wants to build a model ship. He has already saved $30 for the materials and plans. The materials costs $24.89 and the plans cost $8.29. Brody says he has to save $5.11 more to pay for the materials and plans. Which explanation explains whether Brody is correct or not? A. Brody is correct. Estimation: 30.00 – 8.29 is about 22. $22 + $25 = $47. Brody needs to save about $47 more. B. Brody is not correct. Estimation: 24.89 – 8.29 is about 17. $30 – $17 = $13. Brody needs to save about $13 more. C. Brody is not correct. Estimation: 24.89 + 8.29 is about 33. $33 – $30 = $3. Brody needs to save about $3 more.
Find the product. -mnp(3m - 5n + 7p)
Ben takes a random sample of 25 students in his seventh grade class and finds that 85% of the sample prefers math over science.there are 150 students in the seventh grade.based on the sample proportion,about how many students in the seventh grade would be expected to prefer math over science

cassidy loves black and yellow jelly beans she noticed when she was counting them that she had 7 less than three times as many black jelly beans as she had yellot jelly beans in total she counted 225 jelly beans how many black jelly beans did she have?

Answers

Most of the information's are already given in the question. It is important to understand the language of the problem for solving the problem. Once the language is understood, then solving the problem is easy.
Let us assume the number of black jelly beans = x
Number of yellow jelly beans = y
Then from the question we can get to a equation.
3x - 7 = y
We also know from the question that
x + y = 225
x + 3x -7 = 225
4x = 225 + 7
4x = 232
x = 232/4
   = 58
So Cassidy has 58 black jelly beans out of the total of 225 jelly beans

What is 1.3 repeating as a fraction

Answers

It would be 1 and 3/10
1 1/3 would be the answer.

Estelle is having her birthday party at Gold Frames Art Museum this year. A party package costs $265 and covers the entrance fee for guests, a private party room, and an activity guide. Estelle upgraded her package to include a favor for each of her 8 guests, bringing the total to $305.Use an equation to find the amount of each kind of bean Ian uses in the soup.
To write a fraction, use a slash (/) to separate the numerator and denominator.

Answers

Answer:

Using proportions, it is found that the cost of each of the favors is of $5.

Proportions:

This question is solved by proportions, using a rule of three.

The addition of 8 favors increase the cost of the party by $40. What is the cost of one favor?

The rule of three is:

8 favors - $40

1 favor - $x

Applying cross multiplication:

8x=40

x=40/8

x=5

The cost of each of the favors is of $5.

To learn more about proportions, you can take a look at brainly.com/question/24372153

Four out of every five teenagers surveyed went to a movie theater in the past month. If 95 teenagers were surveyed, how many had gone to the movies in the past month?

Answers

Answer:

76 teenagers went to movies in the past month.

Step-by-step explanation:

The number of teens who went to movie out of every 5 teens  = 4

Total teens surveyed = 95

Let, out of 95 teenagers , the teens who went to movie = m

So, the ratio  of people who went : who were surveyed = 4: 5

Now,  BY THE LAW OF RATIO AND PROPORTIONALITY

(4)/(5)  = (m)/(95)

or, m = (95 * 4)/(5)  = ( 380)/(5) = 76

So, m = 76

⇒ 76 teenagers went to movies in the past month.

The equation of a line is y=2/3x+5. What is an equation of the line that is perpendicular to the given line and that passes through the point (4,2)?

Answers

The gradient of this line is 2/3 so the gradient of the perpendicular line is -3/2 (the two perpendicular gradients must multiply to get -1).

Using the formula y - y1 = m (x - x1):

y-2=-1.5(x+4)

This can be rearranged to:

2y-4=-3x-6
2y+3x=-2

Raquel and Van live in two different cities. As part of a project, they each record the lowest prices for a gallon of gas at gas stations around their cities on the same day. Raquel’s data reflect a mean price of $3.42 with a standard deviation of 0.07. Van’s data reflect a mean price of $3.78 with a standard deviation of 0.23.Which statement is true about their gas-price data?
A- Raquel’s data are most likely closer to $3.42 than Van’s data are to $3.78.
B- Van’s data are most likely closer to $3.42 than Raquel’s data are to $3.78.
C- Raquel’s data are most likely closer to $3.78 than Van’s data are to $3.42.
D- Van’s data are most likely closer to $3.78 than Raquel’s data are to $3.42.

Answers

the standard deviation shows the dispersion (how close) of the data. Therefore the correct statement is A:
A- Raquel’s data are most likely closer to $3.42 than Van’s data are to $3.78.

A is the answer my folks.
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