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AnnZ [28]
3 years ago
9

Which expression is equivalent to the given expression? (10c6d-5)(2c-5d4)

Mathematics
1 answer:
Vlad1618 [11]3 years ago
8 0

Answer:

120c²d - 1200cd² -10c + 100d

Step-by-step explanation:

We will first of all evalute inide the bracket then we expand it.

(10c6d-5)(2c-5d4)

=(60cd-5)(2c-20d)

= 60cd*2c -60cd*20d -5*2c +5*20d

= 120c²d - 1200cd² -10c + 100d

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Plz answer these i dont know them
Black_prince [1.1K]

Answer:

117, 55, 54, 77, 130, 7h + 5x, 14

Step-by-step explanation:

7 0
3 years ago
Read 2 more answers
Ronata is putting lace around the rectangular tablecloth with width of 52 and 1/3 inches and length of 72 and 2/3 inches. How mu
rodikova [14]

Answer:

3802 8/9

Step-by-step explanation:

So what you do is you  make 52 1/3 and 72 2/3 improper fractions like 157/3 and 218/3. Then you multiply and get 34218/9. Then you simplafiy and get 3802 8/9

3 0
3 years ago
Can someone help me with these I don’t understand at all
cupoosta [38]

Answer:

#1: ????

#2: \frac{3}{4} x 15

#3: \frac{7}{8} ÷ \frac{3}{4}

Step-by-step explanation:

For #2:

\frac{3}{4} x 15.

It's that because there are 3/4 cups of honey for one cake. To use for 15 cakes, you would have to multiply it by 15.

For #3:

\frac{7}{8} ÷ \frac{3}{4}.

It's that because the baker has 7/8 cups of honey. It takes 3/4 cups of honey for one cake. So you have to divide it by 3/4 cups in order to find out how many cakes.

Hope this helped! <3

7 0
3 years ago
Use your shapes to create a new shape with an area of 1 square unit that is not a square. Trace your shape.
Elena-2011 [213]

A new shape with an area of 1 square unit that is not a square can be formed by combining two small triangles

<h3>How to determine the new shape?</h3>

The given parameters are:

  • Area of square = 1 square unit
  • Large triangles = 2
  • Medium triangles = 1
  • Small triangles = 4

The area of each small triangle is:

Area = 0.5 square unit

Multiply both sides by 2

2 * Area of triangle = 1 square unit

Substitute Area of square = 1 square unit

2 * Area of triangle = Area of square

This means that a new shape can be formed by combining two small triangles

Read more about area at:

brainly.com/question/24487155

#SPJ1

7 0
2 years ago
Find the 25th term of the arithmetic sequence when a1 = -14 and d = -5
rosijanka [135]

Answer:

  a25 = -134

Step-by-step explanation:

For first term a1 and common difference d, the formula for the n-th term is ...

  an = a1 + d(n -1)

You want to evaluate this for n=25, a1=-14, d=-5. Filling in the numbers and doing the arithmetic, you get ...

  a25 = -14 -5(25 -1) = -14 -120

  a25 = -134

6 0
2 years ago
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