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3 years ago

Toby divided 59.50 by 6.8, as shown. But he forgot to put a decimal point in the answer. Complete the sentence below

Mathematics

2 answers:

PtichkaEL [24]3 years ago

7 0

Answer:

The decimal point should be placed between the digits 8 and 7 because the quotient should be greater than 56 ÷ 7 and less than 63 ÷ 7.

Step-by-step explanation:

AysviL [449]3 years ago

4 0

Answer:

if he forgot the decimal in the answer that would be 875 but if you did the math right it would be 8.75 hope that helps

Step-by-step explanation:

59.50 divided by 6.8 = 8.75

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Car A's fuel efficiency is 34 miles per gallon of gasoline, and car B's fuel efficiency is 23 miles per gallon of gasoline. At t

Verdich [7]

Answer:

22 more gallons.

Step-by-step explanation:

Given:

Car A's fuel efficiency is 34 miles per gallon of gasoline.

Car B's fuel efficiency is 23 miles per gallon of gasoline.

Question asked:

At those rates, how many more gallons of gasoline would car B consume than car A on a 1,564 miles trip?

Solution:

Car A's fuel efficiency is 34 miles per gallon of gasoline.

By unitary method:

Car A can travel 34 miles in = 1 gallon

Car A can travel 1 mile in = $\frac{1}{34} \ gallon$

Car A can travel 1564 miles in = $\frac{1}{34} \times1564=46\ gallons$

Car B's fuel efficiency is 23 miles per gallon of gasoline.

Car B can travel 23 miles in = 1 gallon

Car B can travel 1 mile in = $\frac{1}{23} \ gallon$

Car B can travel 1564 mile in = $\frac{1}{23} \times1564=68\ gallons$

We found that for 1564 miles trip Car A consumes 46 gallons of gasoline while Car B consumes 68 gallons of gasoline that means Car B consumes 68 - 46 = 22 gallons more gasoline than Car A.

Thus, Car B consumes 22 more gallons of gasoline than Car A consumes.

6 0

3 years ago

What is the property used in 25+0=25

xz_007 [3.2K]

math teacher said its associative

5 0

4 years ago

Read 2 more answers

3. For the graph, complete the following: (a) Write a table of ordered pairs from the graph. (b) Write an equation from the tabl

alexandr1967 [171]

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3 years ago

The length of a rectangular floor is 4 feet longer than its width w. The area of the floor is 525 ft^2.

andre [41]

Answer:

525 = (w+4)(w)
21 ft by 25 ft

Step-by-step explanation:

Let w represent the width of the floor. Then the length of the floor is (w+4) and its area is ...

A = LW

525 = (w+4)(w)

w^2 +4w -525 = 0

(w -21)(w +25) = 0 . . . . factor the above

Solutions are ...

w = 21, w = -25

We are interested in the positive solution: w = 21.

The floor is 21 feet wide and 25 feet long.

_____

Alternate solution

Sometimes, when the factors aren't obvious, it works well to write an equation for the average of the dimensions. Here, we can represent that with x, and use (x-2) for the width, and (x+2) for the length. Then we have ...

525 = (x-2)(x+2) = x^2 -4

529 = x^2

√529 = 23 = x

Then w=23 -2 = 21, and the length is w+4 = 25.

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3 years ago

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