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RoseWind [281]
3 years ago
15

How do you solve 3 1/4- 1 7/8 step by step?

Mathematics
1 answer:
Vilka [71]3 years ago
4 0

Answer:

1 3/8.

Step-by-step explanation:

3 1/4 - 1 7/8

First convert to improper fractions:

3 1/4 = (3*4) + 1 / 4 =  13/4.

1 7/8 = (1 *8)+7 / 8 = 15/8. So we have:

13/4 - 15/8

The Lowest Common Multiple of 4 and 8 is 8 so we convert 13/4 to eighth's

13 / 4 = 13*2 / 4 *2 = 26/8

Finally: we have

26/8 - 15/8 = (26 - 15) /8

= 11 /8

= 1 3/8 (answer)

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If (x + 2) is a factor of x3 − 6x2 + kx + 10, k =
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Answer:

The value of k is -11

Step-by-step explanation:

If (x+2) is a factor of x3 − 6x2 + kx + 10:

Then,

f(x)=x3 − 6x2 + kx + 10

f(-2)=0

f(-2)=(-2)³-6(-2)²+k(-2)+10=0

f(-2)= -8-6(4)-2k+10=0

f(-2)= -8-24-2k+10=0

Solve the like terms:

f(-2)=-2k-22=0

f(-2)=-2k=0+22

-2k=22

k=22/-2

k=-11

Hence the value of k is -11....

5 0
2 years ago
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natka813 [3]
<span>Every point went up 4 units and left 3 units.
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7 0
3 years ago
In which step does a mistake first occur? please help!
Leya [2.2K]

Answer:

step 1

Step-by-step explanation:

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2 years ago
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<h3>What is the property of the rational number?</h3>

The main properties of rational numbers are:

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a) The property used here is commutative property which says that;

a + b = b + a.

This tallies with the operation used on the rational numbers.

b) The property used here is called Closure Property. This is because for two rational numbers say a and b, the results of addition, subtraction and multiplication operations gives a rational number.

c) The property used here is called associative property because it states that; a * (b * c) = (a * b) * c.

d) The property used here is called Closure Property. This is because for two rational numbers say a and b, the results of addition, subtraction and multiplication operations gives a rational number.

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Read more about Properties of rational numbers at; brainly.com/question/12088221

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5 0
2 years ago
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Answer:

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Step-by-step explanation:

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2 years ago
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