Mathematics, 08.04.2021 05:00 SKSKSKSKGKUFHjk
Tanvi tried to evaluate the expression 7 x [(19 - 1) = 2]. Here is her work:
7 x [(19 - 1) = 2]
= 7 [18 = 2]
Step 1
= 7 X9
Step 2
= 63
Step 3
Is Tanvi's work correct?
No, Tanvi made a mistake in Step 1. Tanvi subtracted before she multiplied.
The order of operations says to multiply before you subtract.
No, Tanvi made a mistake in Step 2. Tanvi divided before she multiplied. The
order of operations says to multiply before you divide.
Answers: 3
Another question on Mathematics
Mathematics, 21.06.2019 17:00
Write numerical coefficient of y² in the expression 2x² - 15xy – 7y²
Answers: 1
Mathematics, 21.06.2019 18:30
Kayla wants to find the width, ab, of a river. she walks along the edge of the river 65 ft and marks point c. then she walks 25 ft further and marks point d. she turns 90° and walks until her location, point a, and point c are collinear. she marks point e at this location, as shown. (a) can kayla conclude that δ and δ are similar? why or why not? (b) suppose de = 15 ft. what can kayla conclude about the width of the river?
Answers: 2
Mathematics, 21.06.2019 18:50
The number of fish in a lake can be modeled by the exponential regression equation y=14.08 x 2.08^x where x represents the year
Answers: 3
Mathematics, 21.06.2019 19:30
In the given triangle, ∠aed ∼ ∠ abc, ad = 6.9, ae = 7.2, de = 5.2, and bc = 10.2. find the measure of bd and ce. round your answer to the nearest tenth.
Answers: 2
You know the right answer?
Tanvi tried to evaluate the expression 7 x [(19 - 1) = 2]. Here is her work:
7 x [(19 - 1) = 2]
Questions
Mathematics, 21.04.2020 19:02
History, 21.04.2020 19:02
Mathematics, 21.04.2020 19:02
Mathematics, 21.04.2020 19:02
History, 21.04.2020 19:02
Mathematics, 21.04.2020 19:02
