1 year ago

Find the product, using suitable properties:

Mathematics

1 answer:

Ray Of Light [21]1 year ago

8 0

Answer: a) 6700 b) 2233

Step-by-step explanation:

$(-67)*(-99)+(-67)*(-1)=\\(-67)*((-99)+(-1))=\\(-67)*(-100)=\\6700$

$29*(80-3)=\\(30-1)*(80-3)=\\30*80+(-1)*80+(-3)*30+(-1)*(-3)=\\2400-80-90+3=\\2403-170=\\2233$

You might be interested in

The price paid for a $15 shirt after a 45% discount is applied

Tamiku [17]

Answer:

ur mom

Step-by-step explanation:

3 0

2 years ago

Read 2 more answers

Find the unit rate of 8 teaspoon for 4 cups.

Igoryamba

Answer:

2 teaspoons for 1 cup

Step-by-step explanation:

8 divided by 4 is 2

4 divided by 4 is 1

3 0

3 years ago

Read 2 more answers

Mala is y years old. Her sister is 4 years older than mala . Write expréssion in simplest form that represents the sum of ages o

Evgen [1.6K]

Answer:

$2(y+2)$

Step-by-step explanation:

Let

y --->Mala's age

x---> sister's age

we know that

$x=y+4$ ---> equation A

The sum of ages of the sisters is

$x+y$

substitute equation A in the expression of the sum of ages

$(y+4)+y=2y+4$

simplify

$2(y+2)$

8 0

3 years ago

Multiply=8 but add up to 7

m_a_m_a [10]

The to that problem is 56

4 0

3 years ago

Find the product of 9x(-3x²y-7xz)

kogti [31]

Answer:

$- 27 {x}^{3} y - 63 {x}^{2} z$

Step-by-step explanation:

$9x( - 3 {x}^{2} y - 7xz)$

$= 9x \times ( - 3 {x}^{2} y) + 9x \times ( - 7xz)$

$= - 27 {x}^{3} y - 63 {x}^{2} z$

4 0

3 years ago