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Suppose the ratio of girls to boys in your school is 19-17 There are 1908 students altogether solve the proportion g-b equals 19-17 for g?
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∙ 14y ago
There are 1007 girls and 901 boys.
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∙ 14y ago
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Suppose you graph y equals 5x - 4 Which function can you graph to increase the y-intercept by 6 but leave the slope unchanged?
y = 5x + 2
If there are 8 more boys than girls on a bus and one half of the boys are sitting next to a window how many students are on the bus if 12 boys are not by a window?
24 boys, 16 girls, which equals 40 students.
There are 10 students receiving honors credit in a class. This number is exactly 20 percent of the total number of students in the class. How many students are in the class?
Here are 10 students getting honors credits in a class, and they make up 20% of the class. How do we find the number of students in the class? Let's look. We have a class, and 20% of the class are getting honors credit, and that turns out to be 10 students. Now we can generate a formula that we can use to discover our answer. Let's assign letters to the things we know or are finding out. Nclass = number of students in the class. Nhonors = number of honors students in the class. And Nhonors = 10 students. Nclass x 20% = 10 students 20% = 20/100ths (because % = hundredths) or 0.20 or just 0.2 for simplicity. Nclass x .2 = 10 students Now divide both sides by .2 so the .2 will cancel out (or drop out) on the left side of the equation and we'll have isolated the answer we are looking for, which is Nclass. Nclass = 10 students divided by .2 Nclass = 10/.2 students = 50 students There are 50 students in the class. As .2 equals 2/10 or 1/5, we can find 1/5th of 50 just by thinking about it to check our work. And 1/5th of 50 equals 10, which is in agreement with the information we were given in the problem.
Suppose you are given the formula R equals s plus 2t If you know that s is three times greater than t how could you rewrite the formula?
R = s + 2t; s = 3tR = 3t + 2tR = 5t
What is the product of the numerator of one ratio and the denominator of the other ratio called in a proportion?
The numerator of the second ratio and the denominator of the first ratio are called the means, and the numerator of the first ratio and the denominator of the second ratio are called the extremes. The product of the means equals the product of the extremes.
Is this a true proportion 25 75 equals 9 27?
Yes the proportion for them both is 1:3
What is the proportion 12ml equals 0.012liters?
1000:1
The proportion of scores less than z equals 0.00 is?
0.50
What proportion of a normal distribution is located between z equals -0.50 and z equals plus 0.50?
0.3829 approx.
What is the proportion of x over 12 equals 30 over 72?
2
Is 18 to 84 and 6 to 56 a proportion?
No;18/84 approximately equals .214and,6/56 approximately equals .107
What is the probability that the proportion of n equals 48 and p equals 0.38 being at least two-thirds in favor of referendum?
no equal answer
A sample of 66 observations will be taken an infinite population The population proportion equals 0.12 The probability that the sample proportion will be less than 0.1768 is?
.9222
What is the proportion formula?
d=r/t (D equals r divided on t
Which one of the following statements expresses a true proportion a 2to3 equals 3to2 b 42to7 equals 6to2 c 3to5 equals 12to20 d 14to6 equals 28to18?
c
What times itself equals 78?
8.8317608663278468547640427269593
A statement that 2 ratios are equal?
A statement that two ratios are equal is called a proportion in math. An example of a proportion is 1/2 equals 2/4. In this proportion, if you cross multiply, you find that 4 x1 is equal to 2 x 2, which is a true statement or proportion.
