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salantis [7]
3 years ago
8

40% of the students in Mr. Watson's class speak a second language. If 10 students speak a second language, how many students are

in Mr. Watson's class?
Mathematics
1 answer:
mylen [45]3 years ago
8 0

Answer:

25

Step-by-step explanation:

10 = 40%

20 = 80%

25 = 100%

Okay

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Choose the correct answer for each of the following questions Find the y-intercept for following equation F(X)=-(X+1)^21- -12- -
devlian [24]

Solution

Find the y-intercept for following equation:

f(x)=-(x+1)^2

Using the slope equation formular:

\begin{gathered} y=mx+c \\ f(x)=-(x+1)^2 \\ f(x)=-x^2-2x-1 \end{gathered}

The value of y when x = 0

\begin{gathered} f(0)=-0^2-2(0)-1 \\ y=-1 \end{gathered}

Hence the answer is - 1

7 0
1 year ago
If (x+5) is a factor of 3x^2+14x+k, what is the value of k?
kherson [118]
If (x+5) is a factor the equation will equal zero when x=-5 so

3(-5^2)+14(-5)+k=0

75-70+k=0

5+k=0

k=-5

7 0
4 years ago
How many different tables of 4 can you make from 16 potential bridge players? How many different tables if 4 players insist on p
Nadusha1986 [10]

4 tables. 4*4 is 16, meaning that even if 4 players want to sit together it doesn't make a difference. With 16 players and 4 at a table we are going to need 4 tables.

8 0
3 years ago
Read 2 more answers
In automobile mileage and gasoline-consumption testing, 13 automobiles were road tested for 300 miles in both city and highway d
Aloiza [94]

Answer:

A. No

City driving mean requires less miles than Highway driving mean.

B. No

City driving median requires less miles than Highway driving median.

C. No

City driving mode requires less miles than Highway driving mode

D.

The driving conditions in the City is better than the driving conditions in the Highway because all measures of centers are lesser than those of Highway.

Step-by-step explanation:

3 0
3 years ago
A cone has a radius of 1 foot and a height of 2 feet. How many comes of Liquid would it take to fill a cylinder with a diameter
maks197457 [2]

find the volume of the cone:

1/3 pi r squared × h

1/3 pi (1) squared × 2

= 2/3 Pi (feet cubed)

find the volume of the cylinder:

pi r squared × h

(the radius is 1 foot because its half the diameter which is 2 feet)

pi (1) squared × 2

= 2 Pi (feet cubed)

2 Pi is÷ 2/3 Pi

= 3

therefore it will take 3 cones of liquid to fill a cylinder with a diameter of 2 and height of 2

7 0
3 years ago
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