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blondinia [14]
3 years ago
5

X+71=7x+5 Help help help

Mathematics
2 answers:
IrinaVladis [17]3 years ago
7 0
The answer to your question would be -6x+76
Romashka [77]3 years ago
7 0
The answer will be x=11 ,do you have to work it out or no?
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Out of the 25 students in Mrs. Coulter's class, 15 are girls. In the school there are 390 boys. If the ratio of boys to students
GREYUIT [131]

Answer:

975 students

Step-by-step explanation:

This is a dense question. Let's look at it piece by piece:

1. The ratio of boys to students in the class is 10/25. If there are 25 students and 15 girls, that leaves 10 boys.

2. The question says that the ratio is in proportion of boys to total students in the school. "In proportion" in this case means that if we convert 10/25 to a fraction with numerator 390, the denominator is the amount of students in school.

3. 10x39=390. What you do the numerator you must do to the denominator: 25x39=975.

4. This means 975 students go to the school.

6 0
2 years ago
Read 2 more answers
If lengths of two sides of an isosceles triangle are 4 and 12, what is perimeter of the triangle?
damaskus [11]
4 + 12 +12 = 28cm
  so in conclusion it is 28
8 0
3 years ago
Please Explain!!<br> I need help plss
Nimfa-mama [501]

Answer:

See step by step

Step-by-step explanation:

For A. use any two factors that multiply to 100 that isn't 25 and 4.

For b Use one obtuse angle (angle over 90 degree) and two acute angles. Make sure they add up to 180.

For c Use any two values that add up to 52 since they didnt establish y as the midpoint.

For d. measure of angle 1 is 45 and measure of angle 2 is 45 degrees

6 0
3 years ago
Read 2 more answers
Suppose a basket of goods and services has been selected to calculate the cpi and 2014 has been selected as the base year. in 20
KATRIN_1 [288]
Consumer Price Index or also most commonly known as CPI is calculated through the equation,
                      CPI = (price at a certain year / price at base year) x 100
Since, we have chosen 2014 as the base year, the denominator of the fraction will be $86. Calculating the CPI for 2015,
                       CPI = ($90/$86) x 100
                              = <em>104.65</em>
4 0
3 years ago
Can y’all help me I don’t get this
yarga [219]

Answer:

Its D

Step-by-step explanation: Since the answer choices B and C don't make sense, its between A and D.

A is actually wrong since it said that the lower class benefited protection from these lords and serfs. Also, the last two lines support D.

3 0
3 years ago
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