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grandymaker [24]
3 years ago
5

What is negative 21/9 times negative 18/7

Mathematics
1 answer:
diamong [38]3 years ago
5 0

Answer:

negative 21/9 times negative 18/7  is 6

Step-by-step explanation:

The phrase negative 21/9 times negative 18/7 can be written mathematically as

-\frac{21}{9} \times -\frac{18}{7}

Lets first convert the fractions into decimal values

-\frac{21}{9} = -2.33

-\frac{18}{7} =  -2.57

Now on simplyfying

=>-2.33 \times -2.57

=> 5.988

=>6 (rounding off)

We will get a positive value because the multiplicative law states that the product of two negative number is positive

You might be interested in
Which expression is equivalent to  4 7/8 ÷ 4 1/4​
cupoosta [38]

Answer:

Improper fraction: 39/34

Proper fraction: 1 5/34

Decimal: 1.147 (rounded to the nearest thousandths).

Step-by-step explanation:

Solve each expression given, if it has the same result, then the expressions is equivalent. Solve the given expression:

4 7/8 ÷ 4 1/4

First, change all fractions into improper fractions:

4 7/8 = (4 * 8)/8 + 7/8 = 32/8 + 7/8 = 39/8

4 1/4 = (4 * 4)/4  + 1/4 = 16/4 + 1/4 = 17/4

Next, find common denominators. Note that what you do to the denominator, you must do the numerator:

(17/4) * (2/2) = (34/8)

39/8 ÷ 17/4

Solve. First, change the division sign into multiplication, and then flip the second fraction:

39/8 ÷ 17/4 = 39/8 x 4/17

Multiply straight across:

39/8 x 4/17 = (39 x 4)/(8 x 17) = 156/136 = 39/34 (simplified), or 1 5/34.

~

7 0
3 years ago
Please help me graph #9.
Nata [24]
Hint to start out the problem:

eg. For f(4), use the first expression, (x-3)^2 because 4 is greater than 1.
4 0
3 years ago
Read 2 more answers
In trapezoid ABCD, AC is a diagonal and ∠ABC≅∠ACD. Find AC if the lengths of the bases BC and AD are 12m and 27m respectively.
leonid [27]

The answer is the square root of 324



4 0
3 years ago
A bicycle company makes 3 different bicycle styles. Each style comes in 4 colors. Each style is made in 6 frame sizes with a cho
horsena [70]
3*4*6*2 = 144

I guess that is the answer.

Hope this helps !

Photon
5 0
3 years ago
What is 3 and 3/4 times 2 and 2/5.please explain process
love history [14]
What you do is turn them in to improper fractions 
you will have 15/4 times 12/5 then multiply 
you would get 180/20 and you simplify it to get
9/1 witch = 9 
5 0
3 years ago
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