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Advocard [28]
4 years ago
12

Ariana completed 6/7 of her math problems before dinner and the rest after dinner. How many problems did she have if she complet

ed 12 before dinner?
Mathematics
1 answer:
Eva8 [605]4 years ago
5 0
The total would be 14. 12*7= 84
84/6= 14
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Write the equation of a line that includes the point (1, 5) and has a slope of 3 in slope-intercept form
Zina [86]

Answer:

y=3x+2

Step-by-step explanation:

y=mx+b

We have our m, which is slope, but we need our y intercept, b.

Substitute your slope, x, and y into the formula and solve for b.

5=3(1)+b

5=3+b

-3 -3

2=b

Now we can plug into equation.

y=3x+2

5 0
3 years ago
What is the equation for the circle with the center (11,6) and passes through the point (17,12)
MissTica

Answer:

The answer to your question is the letter D. (x - 11)² + (y - 6)² = 72

Step-by-step explanation:

Data

Equation = ?

Center = (11, 6)

Point = (17, 12)

Process

1.- Calculate the length of the radius using the distance between two points formula.

d = \sqrt{(x2 - x1)^{2}+ (y2 - y1)^{2}}

x1 = 11    y1 = 6

x2 = 17  y2 = 12

-Substitution

d = \sqrt{(17 - 11)^{2}+ (12 - 6)^{2}}

d = \sqrt{6^{2} + 6^{2}}

d = \sqrt{36 + 36}

d = \sqrt{72}

radius = \sqrt{72}

2.- Write the equation of the formula

    (x - 11)² + (y - 6)² = (\sqrt{72})²

Result

   (x - 11)² + (y - 6)² = 72

7 0
3 years ago
Read 2 more answers
When 3.7 is added to 6 times a number the result is 52.3 find the number
cluponka [151]

(52.3-3.7)/6x

48.6/6x

x=8.1

Hope this helped :)

6 0
3 years ago
1 inch corresponds to 4ft, what is 2 1/4 inches converted to feet
Roman55 [17]

Answer:

9 feet

Step-by-step explanation:

2 1/4 can be written as an improper fraction 9/4

we are given:

1 inch ----> corresponds to 4 feet

hence,

2 1/4 inch ---> corresponds to 4 feet x 2 1/4 = 4 x (9/4) = 9 feet

5 0
4 years ago
Given the Venn Diagram what is the probability that a person is an only child OR only has sisters?
Svetradugi [14.3K]

Based on the venn diagram of siblings, the probability of being an only child or having only sisters is d. 0.50.

<h3>What is probability of being an only child or having a sister?</h3>

The probability of being an only child or having a sister can be found as:

= (Number of those only sister + Number of only children) / Total number of people in poll

Solving gives:

= (8 + 7) / (8 + 10 + 5 + 7)

= 15 / 30

= 0.50

In conclusion, the probability of having a brother and sister is 0.50.

Find out more on Venn diagrams at brainly.com/question/9085273

#SPJ1

7 0
2 years ago
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