3 years ago

Is this equation true? a-b=a+(-b)

Mathematics

1 answer:

notsponge [240]3 years ago

6 0

Answer:

yes,it is true

Step-by-step explanation:

a-b=a+(-b)

a-b=a-b because positive and negative form negative (+,-)= -

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Assessment items What is the quotient? 1 5/8 ÷(−1 3/5 )

Solnce55 [7]

We need convert the mixed numbers to improper fractions.

$1\dfrac{5}{8}=\dfrac{1\cdot8+5}{8}=\dfrac{8+5}{8}=\dfrac{13}{8}\\\\1\dfrac{3}{5}=\dfrac{1\cdot5+3}{5}=\dfrac{5+3}{5}=\dfrac{8}{5}$

Divide the number by a fraction, this is the same as multiply this number by the reciprocal of the fraction:

$1\dfrac{5}{8}\div\left(-1\dfrac{3}{5}\right)=-\dfrac{13}{8}\div\dfrac{8}{5}=-\dfrac{13}{8}\cdot\dfrac{5}{8}=-\dfrac{(13)(5)}{(8)(8)}=-\dfrac{65}{64}\\\\\boxed{1\dfrac{5}{8}\div\left(-1\dfrac{3}{5}\right)=-1\dfrac{1}{64}}$

4 0

3 years ago

Someone help?!.........

koban [17]

Answer: y = -2x + 16

Explanation:

Use point slope form:

(y1 - y) = m(x1 - x)

y1 = 6 and x1 = 5 and m = -2

6 - y = -2(5 - x)
6 - y = -10 + 2x
-y = 2x - 10 - 6
-y = 2x - 16
y = -2x + 16

5 0

3 years ago

I do 10 - 8 for this, right...?

natima [27]

No, you would do 100 - 64 because 10^2 is 100 and 8^2 is 64.
100-64= 36
The square root of 36 is 6. The length of the other leg is 6.

6 0

3 years ago

Four more than double a number is 100 what is the answer?

algol13

Answer:

the number would be 48 i think

Step-by-step explanation:

48 + 48 = 96

96 + 4 = 100

7 0

3 years ago

Find the quotient. -7 ÷ 14/3. a. -2/3 b. -98/3 c. -1/2 d. -3/2

OleMash [197]

The answer to this question is D.

7 0

3 years ago