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3 years ago

The ratio of students to adults on a field trip is 7 to 1. Which table correctly represents this ratio?

Mathematics

2 answers:

ehidna [41]3 years ago

8 0

Answer:

Step-by-step explanation:

its literally right there

mylen [45]3 years ago

5 0

Answer:

Step-by-step explanation:

For every 7 students there is one adult, so you just have to do your multiplcations of 7. If there are 3 adults, there's 21 students, if there are 6 adults, there's 42 students, etc.

You might be interested in

Do more than 50 percent of the children in a certain group have brown hair?

babymother [125]

Answer:

What we know is that 30% of the group have brown hair and are girls. It means that in the other 70% we have the boys with brown hair, the other boys and the other girls.

In the case all the girls have brown hair, the 70% remaining would be boys. So 70% of then would have brown hair. (0.7*0.7=0.49 -> 49% of the children would be brown hair) so 49% (boys) and 30% (girls) are more than 50%..

Now, let's suppouse that 90% of the group are girls. It means 10% are boys and 70% of that 10% (=7%) are the boys in the group that have brown hair. Now 7% + 30% of the children have brown hair, wich isn't more than the half.

We have explained with two extreme cases that the information is not enough for making a precise answer

7 0

3 years ago

I have already tryed but how in the world do i solve 2

trapecia [35]

Alright, let's factor this to get the answer.
3k^2-10k+7
To find the factors, we want to think "What will add up to -10, and multiply to (+)7?"
Because the leading coefficient is 3, we know that we can take one factor of 7 and multiply it by 3.
Thus, this factors to
(3k-7)(k-1)
(if you FOIL it it should come out to be the original equation)

From this, set both of those [(3k-7) and (k-1)] equal to zero and solve
3k-7=0
3k=7
/3
k=7/3
or
k=1

6 0

3 years ago

Help me please asap I need to know fully how to solve this problem

vivado [14]

Consider the absolute value, because we only worry about the quadrant later.

$\text{Consider: } sin(A) = |-\frac{\sqrt{3}}{4}|$
$sin(A) = \frac{\sqrt{3}}{4}$

Thus, we know that the hypotenuse has a length of 4 units, and the side opposite the angle, A is √3, because this is the nature of the sine function in relation to its triangular component.

The missing side can be found using Pythagoras' Theorem:
4² - (√3)² = x²
16 - 3 = x²
13 = x²
x = √13

$\therefore tan(A) = \pm \sqrt{\frac{3}{13}}$

Since angle A is in the third quadrant, the tangent function will produce a positive angle.

$tan(A) = \sqrt{\frac{3}{13}}$
$\text{Rationalise the denominator: } \frac{\sqrt{3}}{\sqrt{13}} \cdot \frac{\sqrt{13}}{\sqrt{13}}$

$tan(A) = \frac{\sqrt{39}}{13}$

7 0

3 years ago

I one question please answer WILL GIVE YOUR BRAINLIEST

ohaa [14]

Answer:

Perimeter ratio: 11:6

Area ratio: 121:36

Step-by-step explanation:

The ratio of length of the perimeter of one similar figure to another is the ratio of the side lengths.

The ratio of the areas is the ratio of the squares of the side lengths.

5 0

3 years ago

Evaluate 3a+2b<br> a=2 <br> b=3

Pavlova-9 [17]

Answer:

Step-by-step explanation:

3a+2b

Let a =2 and b=3

3(2) + 2(3)

6 + 6

8 0

3 years ago