Last year at a certain high school, there were 50 boys on the honor roll and 75 girls on the honor roll. This year, the number of boys on the honor roll increased by 8% and the number of girls on the honor roll increased by 24%. By what percentage did the total number of students on the honor roll increase? Round your answer to the nearest tenth (if necessary).

Answer:

a=4b and b=1/4a

Step-by-step explanation:

Answer:

False

Step-by-step explanation:

3a + 4b is the answer because there are no like terms to add

5a - 4b is the answer because there are no like terms to subtract.

Making it false because 3a + 4b = 3a + 4b not 5a - 4b

Answer:

B. 5,290 feet

Step-by-step explanation:

1 Mile =  5280 Feet

Answer:

the agv speed is 223

Step-by-step explanation:

Answer:

51.42 avg mph

Step-by-step explanation:

45+45 = 90 miles total for 1 3/4 hours

90/.75 = 51.42 avg mph

Answer:

sure with wat? there is nothing and which subject is it math im  really good at math

(hope this helps can i plz have brainlist :D hehe)

Step-by-step explanation:

Answer:

I know what the answer is

Step-by-step explanation:

The answer is 3. You can tell because 5 times 3 is 15

6 times 3 is 18

7 times 3 is 21

8 times 3 is 24

The total distance traveled was 638.3m.

To calculate the perimeter of a circle we perform the following operations:

We must keep in mind that the radius of a circle is equal to half the diameter, so the radius of this circle is 100m divided by 2.

So the radius of this circle is 50m.

Subsequently, to find the perimeter of the circle we apply the following formula:

According to this operation, the distance traveled in one lap would be 314.15m. So in two turns it would be:

314.15m × 2 = 638.3m

Learn more about diameter in: https://brainly.com/question/9762612

Im not sure about the second one but the first one is 1099-DIV and the last one is taxable income. I can tell you the second one is NOT deductions haha

Answer:

1099-DIV

Income

Taxable Income

Step-by-step explanation:

Plato

Answer:

Step-by-step explanation:

D

Answer:

D

Step-by-step explanation:

Let's look at the statement.

7y = 14x  and  y = 2x does have infinitely many solutions. Why? Because the first equation can be rearranged to look like the second one. If you divide 7y and 14x by 7, you end up with y = 2x. Look familiar? This means the set of equations has infinitely many solutions.

Answer:

0.95

Step-by-step explanation:

38/40=0.95

Answer:

63/180 = 0.35 = 35%

Step-by-step explanation:

^

1. 9/4

2.67/8

3.17/6

4.9/2

5.16/3

6.127/12

7.37/4

8.31/6

9.40/6

10.73/7

11.34/3

12.41/2

Answer:

30

Step-by-step explanation:

16+ 24 * 5 / 10 = 30

Answer:  D) 10

============================================================

Explanation:

I'm assuming points M and N are midpoints of segments FD and FE respectively. If that's the case, then segment DE is twice as long compared to segment MN. We consider MN to be a midsegment.

So,

DE = 2*(MN)

3x-2 = 2*(x+4)

3x-2 = 2x+8

3x-2x = 8+2

x = 10

Answer:

False

Step-by-step explanation:

Slope intercept form is y=mx+b where x is our slope and b is our y value. Thefore, 3 is our y value not 4.

Answer:

0.25 = 25% probability that it will rain today and ruin your picnic

Step-by-step explanation:

Conditional Probability

We use the conditional probability formula to solve this question. It is

[tex]P(B|A) = \frac{P(A \cap B)}{P(A)}[/tex]

In which

P(B|A) is the probability of event B happening, given that A happened.

[tex]P(A \cap B)[/tex] is the probability of both A and B happening.

P(A) is the probability of A happening.

In this question:

Event A: Cloudy skies

Event B: Rain

20% of all days start with clouds in the air

This means that [tex]P(A) = 0.2[/tex]

50% of rainy days start with rain clouds in the air

50% of 10%. So

[tex]P(A \cap B) = 0.5*0.1 = 0.05[/tex]

What is the probability that it will rain today and ruin your picnic

[tex]P(B|A) = \frac{P(A \cap B)}{P(A)} = \frac{0.05}{0.2} = 0.25[/tex]

0.25 = 25% probability that it will rain today and ruin your picnic

Answer:

17ft

Step-by-step explanation:

Answer:

3 units

Step-by-step explanation:

difference in x=0 (0-0=0)

difference in y=3 (5-2=3)

Answer:

f(x)*g(x)  =   [tex]-2x^{3} - 12x^{2} - 27x - 44[/tex]

Step-by-step explanation:

I am assuming that * means multiplication

(f*g)(x) = f(x)*g(x)

So, f(x)*g(x)  =  (-x-4)([tex]2x^{2} + 4x + 11[/tex]) = [tex]-2x^{3} - 4x^{2} - 11x - 8x^{2} - 16x - 44[/tex]

                                                       =  [tex]-2x^{3} - 12x^{2} - 27x - 44[/tex]

111km

the ratio is 1:15 so you do 7.4×15

Answer:

46.6666667

Step-by-step explanation:

14/30=0.46666667

*100=46.6666667

round to 46.7%

Answer:

B. A hill that rises 2 feet for every 15 feet of run.

Step-by-step explanation:

The two must have COPs. We'll narrow them down.

For A, we divide 10 by 2.

[tex]\frac{10}{2} = 5.[/tex]

For B, we divide 15 by 2.

[tex]\frac{15}{2} = 7.5.[/tex]

B has the larger number, so it is B.

Answer:

Step-by-step explanation:

step one look at the answer choice

step two see which one is bigger

step three then find the smallest

step four put which one is steeper

Answer: to get a better picture.

Step-by-step explanation:

Answer:

vertical angles

Step-by-step explanation:

vertical angles are opposite angles that share the same vertex. They are formed by a pair of intersecting lines. Their angle measures are equal.

Answer:

a.1633rad/min

b.1715feet/min

Step-by-step explanation:

We are given that

Diameter of wheel, d=2.1 feet

Radius of wheel, r=[tex]\frac{d}{2}=\frac{2.1}{2}[/tex]feet

Rate=260 rev/min

a. We have to find the angular speed of the wheel in rad/min

1 rev=[tex]2\pi[/tex]radian

Where [tex]\pi=3.14[/tex]

Using the value

Angular speed=[tex]260\times 2\times 3.14/min[/tex]

Angular speed,[tex]\omega=1633rad/min[/tex]

(b)

Speed=[tex]r\omega[/tex]

Using the formula

Speed of  the cyclist=[tex]\frac{2.1}{2}\times 1633[/tex]feet/min

Speed of  the cyclist=1714.65[tex]\approx 1715[/tex]feet/min

Answer:

1/4 m/s

Step-by-step explanation:

rate = meters/ seconds = 100/400 = 1/4

Answer:

0.25 meters per second

Step-by-step explanation:

100 meters÷400/ 400 seconds ÷400

=0.25 meters/ 1 second

0.25 meters per second

Answer:

Los números racionales son aquellos números que pueden ser expresados como una relación entre dos enteros. Por ejemplo, las fracciones 1/3 y –1111/8 ambas son números racionales. Todos los enteros están incluídos en los números racionales, ya que cualquier entero z puede ser escrito como la relación z /1.

Step-by-step explanation:

Answer:

5 5/6

Step-by-step explanation:

5/6 x 7 = 35/6 = 5 5/6

Answer:

The top 20% of the students will score at least 2.1 points above the mean.

Step-by-step explanation:

When the distribution is normal, we use the z-score formula.

In a set with mean [tex]\mu[/tex] and standard deviation [tex]\sigma[/tex], the zscore of a measure X is given by:

[tex]Z = \frac{X - \mu}{\sigma}[/tex]

The Z-score measures how many standard deviations the measure is from the mean. After finding the Z-score, we look at the z-score table and find the p-value associated with this z-score. This p-value is the probability that the value of the measure is smaller than X, that is, the percentile of X. Subtracting 1 by the pvalue, we get the probability that the value of the measure is greater than X.

The mean of a certain test is 14 and the standard deviation is 2.5.

This means that [tex]\mu = 14, \sigma = 2.5[/tex]

The top 20% of the students will score how many points above the mean

Their score is the 100 - 20 = 80th percentile, which is X when Z has a pvalue of 0.8. So X when Z = 0.84.

Their score is:

[tex]Z = \frac{X - \mu}{\sigma}[/tex]

[tex]0.84 = \frac{X - 14}{2.5}[/tex]

[tex]X - 14 = 0.84*2.5[/tex]

[tex]X = 16.1[/tex]

16.1 - 14 = 2.1

The top 20% of the students will score at least 2.1 points above the mean.