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3 years ago

How to answer number 10

Mathematics

1 answer:

Ipatiy [6.2K]3 years ago

5 0

You were on the right track.

(17/4)*(11/4)*(3/1)

first multiply the numerators

17*11*3 = 561

561 / ?

next multiply the denominators

4*4*1 = 16

561 / 16 = 35.0625 = 35 1/16

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3 years ago

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3 years ago

You are in a traffic jam that is 7/8 mile long. The cars are in one lane bumper to bumper. The average length of a car is 0.003

KengaRu [80]

Answer:

Step-by-step explanation:

The average length of each car is

0.003 mile. The length of each car includes the bumper. The cars are in one lane. This means all the cars can be assumed to form a long line of cars that is uniform in length. This length is divided into equal lengths if cars.

The length of the traffic jam which is also the length of the line of is 7/8 = 0.875 mile long.

The number of cars would be in the that would be in the traffic jam will be length of the traffic jam/ length of each car. It becomes

0.875/0.003 = 292 cars

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4 years ago

What is the missing factor in the equation? Assume x * 0 and y* 0.

weeeeeb [17]

Answer:

$\sf b) \quad \dfrac{y^3}{4x}$

Explanation:

$\sf \left(\dfrac{6x^2}{5y}\right) \left(?}\right) = \left(\dfrac{3xy^2}{10}\right)$

cross multiply variables

$\sf ? = \left(\dfrac{3xy^2 (5y)}{10(6x^2)}\right)$

distribute inside parenthesis

$\sf ? = \left(\dfrac{15xy^3}{60x^2}\right)$

remove parenthesis and simplify

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4 0

2 years ago

It takes a person 60 minutes to get to campus. He spends t minutes walking to the bus stop and the rest of the time riding the b

Nataly [62]

Answer:

a) $S(t) = 30 - 0.44t$

b) The person travels 21 miles

Step-by-step explanation:

(a) Simplify the algebraic expression:

About the algebraic expression, the problem states that:

The total distance walking and traveling by bus is given by the algebraic expression 0.06 t plus 0.5 left parenthesis 60 minus t right parenthesis.

Mathematically, this is:

$S(t) = 0.06t + 0.5*(60-t)$ .

Simplifying, we have:

$S(t) = 0.06t + 30 - 0.5t$

$S(t) = 30 - 0.44t$

b) Use each form of the algebraic expression to determine the total distance that the person travels if the person spends 20 minutes walking to the bus stop.

t is the time that the person spends walking to the bus stop, so $t = 20$ .

By the original expression

$S(t) = 0.06t + 0.5*(60-t)$

$S(20) = 0.0620 + 0.5*(60-20) = 1.2 = 20 = 21.2$

By the simplified expression

$S(t) = 30 - 0.44t$

$S(20) = 30 - 0.44*(20) = 30 - 8.8 = 21.2$

By each form of the expression, we find that the person traveled 21.2 miles

4 0

3 years ago