XxrazorxX11
12.04.2021 •
Mathematics
Which of the following situations have a sum of 0? Select all that apply.
The temperature was 10' at 7:00a.m. The temperature then rose 10' from 7:00 am to 8:00 am
The temperature was 7" at 11:00 am. The temperature then drops 7" from 11:00 am to 1:00 pm
The temperature drops 14" from 6:00 am to 8:00 am. The temperature then drops 14" from 8:00 am to 10:00 am
The temperature drops 15" from 5:00 am to 6:00 am. The temperature then rises 15" from 6:00 am to 7:00 am
The temperature was -5° at 9:00 am. The temperature then dropped 5 from 9:00 am to 10:00 am
O The temperature was -3º at 4:00 a.m. The temperature then rose 3" from 4:00 am to 5:00 a.m
please help!!
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Ответ:
B
Step-by-step explanation:
if the temp is at 7 then drop seven, the answer is 0
Ответ:
$135
Step-by-step explanation:
Step 1
Conversion
Base = 2 yards
1 yard = 3 feet
2 yards = x
Cross Multiply
x = 2 × 3 feet = 6 feet
Height = 5 yards
1 yard = 3 feet
5 yards = x
Cross Multiply
x = 5 × 3 feet = 15 feet
Step 2
Find the area of the triangle
Area of a triangle = 1/2 × base × height
Base = 6 feet
Height = 15 feet
Area = 1/2 × 6 × 15
= 45 square feet
Step 3
Find the cost of the carpet
1 Square foot = $3
45 square feet = x
Cross Multiply
x = 45 × $3
x = $135
Therefore, the amount you will pay to cover a triangular section of the floor is $135