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Citrus2011 [14]
2 years ago
5

1.There are 3 High Schools and 14 Elementary Schools in the district. How can you write the ratio of High Schools to Elementary

Schools?
2.One US dollar is equivalent to 110 Japanese Yen. If you have $150, how many Yen will you get in exchange? What is the proportion you would solve?

3.Out of the 7 classes that I take, the proportion of A’s to B’s I got last semester was 4 to 3 Which of the following statements is false?
Mathematics
2 answers:
adell [148]2 years ago
6 0
1. 3 high schools: 14 elementary schools
cluponka [151]2 years ago
3 0
1. 3:14, \frac{3}{14}, 3 to 14
2. 150*110=16,500 Yen
3. What are the statements?
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4x<br>f(x)=<br>x -3 togetherness​
frozen [14]

Answer:

f(x)=2(\dfrac{2}{3})^x.

Step-by-step explanation:

f(x)=1/2(2)xf(x)=3/4(-1/5)xf(x)=(7/2)xf(x)=2(2/3)x

3 0
3 years ago
What is (-8) third power
Aleks04 [339]

-512.

Type negative 8 to the third power in google. It really is the answer. :)

6 0
3 years ago
Read 2 more answers
Rani has a stamp collection which consists of Indian stamps and foreign stamps. The ratio of
Lostsunrise [7]

Answer:

2/9

Step-by-step explanation:

2 + 7 = 9

There are two Indian stamps, and the total is 9 stamps.

8 0
3 years ago
What is the solution to this using substitution method pls show ur work
VARVARA [1.3K]

Answer:

x=-6, y=0

Step-by-step explanation:

Use the 3x-9y=-18 equation and add 9y to both sides to have 3x on its own on the left side. Then, divide by 3 on both sides. Then you'll have x=-6+3y. Plus this back into the 5x+4y=-30 equation and you'll get 5(-6+3y)+4y=-30. Use the distributive property and you'll get -30+15y+4y=-30. Simplify and get -30+19y=-30, then add 30 to both sides and you'll get 19y=0. Divide by 19 on both sides and you'll get y=0. Now that we know y=0, plug that back into the 5x+4y=-30 equation, and you'll get 5x+4(0)=-30. Simplify and you'll get 5x=-30. Divide by 5 on both sides and you'll get x=-6.

4 0
2 years ago
The ratio of the number of boys to the number of girls in a theater is 7:9. There are 12 more girls than boys. How many children
skelet666 [1.2K]
Ok, there is an equation you can use to solve it.

n is a number.

p is also a number, but different to n.

\frac { 7 }{ 9 } \cdot \frac { n }{ n } =\frac { p }{ p+12 } \\ \\ \frac { 7 }{ 9 } \cdot 1=\frac { p }{ p+12 } \\ \\ \frac { 7 }{ 9 } =\frac { p }{ p+12 }

\\ \\ 7\left( p+12 \right) =9p\\ \\ 7p+84=9p\\ \\ 9p-7p=84\\ \\ 2p=84\\ \\ p=\frac { 84 }{ 2 } \\ \\ p=42

Therefore:

<u></u>\frac { 7 }{ 9 } \cdot \frac { n }{ n } =\frac { 42 }{ 42+12 } =\frac { 42 }{ 54 } =\frac { 7 }{ 9 } \cdot \frac { 6 }{ 6 } \\ \\ \therefore \quad n=6

So all together there were 54 girls and 42 boys in the theatre.

54 + 42 = 96

That's 96 children in total. (Answer)

7:9 = 42:54
5 0
3 years ago
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