Why is 2 + (−3) equal to −1?

Mathematics

2 answers:

Flauer [41]3 years ago

4 0

Answer : because it is 3 units to the left of 2 on a horizontal number line

Serjik [45]3 years ago

4 0

The correct answer is A!

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At one store, Julia saved $10 with a coupon for 40% off her total purchase. At another store, the $29 she spent on books is

barxatty [35]

Let "a" and "b" represent the values of the first and second purchases, respectively.
0.40*(original price of "a") = $10
(original price of "a") = $10/0.40 = $25.00 . . . . divide by 0.40 and evaluate
a = (original price of "a") - $10 . . . . . . Julia paid the price after the discount
a = $25.00 -10.00 = $15.00

At the other store,
$29 = 0.58b
$29/0.58 = b = $50 . . . . . . . divide by the coefficient of b and evaluate

Then Julia's total spending is
a + b = $15.00 +50.00 = $65.00

Julia spent $65 in all at the two stores.

6 0

3 years ago

Evaluate the function found in the previous step at X =-3

babunello [35]