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AnnZ [28]
3 years ago
15

I'm havingn trouble in math. What's 3/4 - 2/5 in fraction form?

Mathematics
1 answer:
snow_tiger [21]3 years ago
6 0
\dfrac{3}{4}-\dfrac{2}{5}=\dfrac{15}{20}-\dfrac{8}{20}=\dfrac{7}{20}

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What is the gcf of 64 and 72?
skad [1K]
<span>A factor is a divisor - a number that will evenly divide into another number. The greatest common factor of two or more numbers is the largest factor that both numbers have in common.One way to determine the greatest common factor is to find all the factors of the numbers and compare them.
The factors of 64 are 1, 2, 4, 8, 16, 32, and 64.
The factors of 72 are 1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, and 72.
The common factors are 1, 2, 4, and 8. Therefore, the greatest common factor is 8. 
The greatest common factor can also be calculated by identifying the common prime factors and multiplying them together.
The prime factors of 64 are 2, 2, 2, 2, 2, and 2.
The prime factors of 72 are 2, 2, 2, 3, and 3.
The prime factors in common are 2, 2, and 2, so the greatest common factor is 2 x 2 x 2 = 8.
SummaryA factor is a divisor - a number that will evenly divide into another number. The greatest common factor of two or more numbers is the largest factor that both numbers have in common. 



Summary:
The common factors of 64 and 72 are 1, 2, 4, and 8.
The greatest common factor of 64 and 72 is 8.

Or in the short term; the answer is 8</span>
8 0
3 years ago
BRAINLIEST:
Romashka-Z-Leto [24]

Answer:

2

Step-by-step explanation:

what you do is -4(2)^-2 which is -1

then you do 3(5)^0 which is 3

then you add it together and it is 2

7 0
3 years ago
Show an expression for three plus two, then times by four
RoseWind [281]

Answer:

4(3+2)

Step-by-step explanation:

Write using order of operations

8 0
3 years ago
Read 2 more answers
Miguel biked 14 km in the same amount of time that linda hiked 10 km. Miguel's rate was 4 km/h more than linda's. How fast did e
matrenka [14]

The first thing we must do is define a variable.

We have then:

x: Linda's speed.

Then, by definition, the time traveled is equal to the distance between the velocity.

We have then:

For Linda:

t = \frac{10}{x}

For Miguel:

t = \frac{14}{x + 4}

Then, since time is the same, then:

\frac{10}{x} = \frac{14}{x + 4}

Clearing Linda's speed we have:

10 (x + 4) = 14x

10x + 40 = 14x

40 = 14x-10x

40 = 4x

x = \frac{40}{4}

x = 10

Then, Miguel's speed is:

x + 4 = 10 + 4 = 14

Answer:

Linda's speed is 10 Km/h

Miguel's speed is 14 Km/h

3 0
3 years ago
Whiwhich of the following is a rational number? (4 points) square root 1 square root 2, square root 3, square root 5
Licemer1 [7]

Step-by-step explanation:

only thing you have to do is go to a caculator on your device

6 0
3 years ago
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