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givi [52]
3 years ago
14

How can I do this I'm so stuck on this plz help

Mathematics
2 answers:
Stolb23 [73]3 years ago
8 0
You're just changing the given rate into a unit rate: follow along and do the division shown and fill in the blanks. 320 ÷16 = 20

So the unit rate is \frac{20mi}{1gal}
Olegator [25]3 years ago
7 0
Do 320/16 and that will equal 20 and don’t pay attention to the denominators because they already put a 1 for you.
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The sum of four consecutive numbers is 186. What is the<br> second smallest number?
lord [1]

Answer:

Need more info

Step-by-step explanation:

8 0
3 years ago
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Is 2:4 and 42:84 equivalent?
bezimeni [28]

Answer:

Yes.

Step-by-step explanation:

They are both divisible by 21.

6 0
3 years ago
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What is the ratio in which the point P(3/4,5/12) decides the line segment joining points A(1/2,3/2) and B(2,-5)
timama [110]

Given:

The point P\left(\dfrac{3}{4},\dfrac{5}{12}\right) divides the line segment joining points A\left(\dfrac{1}{2},\dfrac{3}{2}\right) and B(2,-5).

To find:

The ratio in which he point P divides the segment AB.

Solution:

Section formula: If a point divides a segment in m:n, then the coordinates of that point are,

Point=\left(\dfrac{mx_2+nx_1}{m+n},\dfrac{my_2+ny_1}{m+n}\right)

Let point P divides the segment AB in m:n. Then by using the section formula, we get

\left(\dfrac{3}{4},\dfrac{5}{12}\right)=\left(\dfrac{m(2)+n(\dfrac{1}{2})}{m+n},\dfrac{m(-5)+n(\dfrac{3}{2})}{m+n}\right)

\left(\dfrac{3}{4},\dfrac{5}{12}\right)=\left(\dfrac{2m+\dfrac{n}{2}}{m+n},\dfrac{-5m+\dfrac{3n}{2}}{m+n}\right)

On comparing both sides, we get

\dfrac{3}{4}=\dfrac{2m+\dfrac{n}{2}}{m+n}

\dfrac{3}{4}(m+n)=\dfrac{4m+n}{2}

Multiply both sides by 4.

3(m+n)=2(4m+n)

3m+3n=8m+2n

3n-2n=8m-3m

n=5m

It can be written as

\dfrac{1}{5}=\dfrac{m}{n}

1:5=m:n

Therefore, the point P divides the line segment AB in 1:5.

6 0
3 years ago
Helppppp pleaseeeee fasttttt thankkkkk youuuuu
Digiron [165]
Pretty sure it is nine. I hope I helped
8 0
3 years ago
What is the value of -3/4^-4
VLD [36.1K]

Answer:

-786

Explanation:

Move 4^-4 to the numerator using the negative exponent rule 1/x^-n = x^n

<em>-(3×^4)</em>

Raise 4 to the power of 4.

<em>-(3×256)</em>

Multiply 3 by 256.

<em>-1×768</em>

Multiply -1 by 768.

<em>-768</em>

3 0
3 years ago
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