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White raven [17]
2 years ago
7

Using the expression 10 x 2/5 as an example, describe how to multiply a whole number by a fraction that is less than one.

Mathematics
2 answers:
Schach [20]2 years ago
5 0
To multiply a whole number by a fraction less than one, you have to rewrite the whole number in the expression as a fraction by putting a one under it.
For example, in 10 x 2/5, you would rewrite the 10 to 10/1 x 2/5.
Then, you would multiply the top and bottom of the two fractions. In this case, it would be 10 x 2 and 1x5. This would result in 20/5.
Finally, you would simplify this fraction by dividing. The final answer is 4.
sergiy2304 [10]2 years ago
4 0

Answer:

10 × 2/5 = 20/5 = 4

Step-by-step explanation:

When you are multiplying a whole (big) number times a fraction, you multiply the whole (big) number times the TOP number (numerator) and put that on top. Keep the bottom number (denominator) the same.

10 × (2/5)

= (10×2) / 5

= 20/5

= 4

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15(d+7)=4(d-4)+11d answer? ​
Viktor [21]

Answer:

Step-by-step explanation:

Factor out to simplify:

15d+105=4d-16+11d

15d+105=15d-16

subtract 15d from both sides

105=-16

this means that there are no solutions for d

6 0
3 years ago
What are the lengths of the legs of a right triangle in which one acute angle measures 19° and the hypotenuse is 15 units long?
pentagon [3]
The legs of a triangle with a hypotenuse that measures 15 units long have lengths that are equal to 15 times the sine or cosine of the given angle.
                      leg 1 = (15 units) x (cos 19) = 14.18 units
                      leg 2 = (15 units) x (sin 19) = 4.88 units
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6 0
3 years ago
The product of 2x^3 and 6x^5 is
Butoxors [25]
12x^8 multiply the leading terms (2and 6) then add exponents (5and3)
3 0
3 years ago
NEED HELP WITH THESE
faltersainse [42]

Step-by-step explanation:

1 .f(x)=x^{2}-x+1

   f(-1)= (-1)-(-1)+1

   f(-1)= 1+1+1

      = 3

3.f(x)=x^{2}-x+1

 f( 1)=(1)-1+1

  f( 1)=1-1+1

        =1

5. f(x)=x^{2}-x+1

    f(3)=(3)^{2}-3+1

         = 9-3+1

          =7

2. g(x) = 5 - 3x

 g( -8)=5-3(-8)

g( -8)=5+24

        =29

4.g(x) = 5 - 3x

g(5)=5-3(5)

 g(5)=5-15

       =-10

6.g(x) = 5 - 3x

   g(-3)=5-3(-3)

 g(-3)=5+9

         =14

3 0
2 years ago
Can someone please please help me. ?????
stira [4]

Answer:

#1

x intercept is -5

y intercept is -5

#2

y=8x

Step-by-step explanation:

6 0
2 years ago
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