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mr_godi [17]
3 years ago
12

Is a D a failing grade?

Mathematics
1 answer:
s344n2d4d5 [400]3 years ago
6 0

Answer:

Yes anything under a C

Step-by-step explanation:

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Which expression is equivalent to sec²x - 1? A. cot²x B. tan²x C. CsC²x D. cos²x​
Andrei [34K]

Hi

Answer:

Step-by-step explanation:

3 0
2 years ago
What is the first operation used to evaluate 5+7•6-2÷4
Kisachek [45]

Multiply 7x6 since when using pemdas, multiplication and division can be inverted, i.e. if multiplication is before division then you multiply and vice versa.


Hope this helps!

3 0
3 years ago
The Watson family and the Thompson family each used their sprinklers last summer. The Watson family's sprinkler was used for hou
o-na [289]

This question s incomplete, the complete question is;

The Watson family and the Thompson family each used their sprinklers last summer. The Watson family's sprinkler was used for 15 hours. The Thompson family's sprinkler was used for 30 hours.

There was a combined total output of 1050 of water. What was the water output rate for each sprinkler if the sum of the two rates was 55L per hour  

Answer:

The Watson family sprinkler is 40 L/hr while Thompson family sprinkler is 15 L/hr

Step-by-step explanation:

Given the data in the question;

let water p rate for Watson family and the Thompson family sprinklers be represented by x and y respectively

so

x + y = 55  ----------------equ1

x = 55 - y ------------------qu2

also

15x + 30y = 1050

x + 2y = 70 --------------equ3

input equ2 into equ3

(55 - y) + 2y = 70

- y + 2y = 70 - 55

y = 15

input value of y into equ1

x + 15 = 55

x = 55 - 15

x = 40

Therefore, The Watson family sprinkler is 40 L/hr while Thompson family sprinkler is 15 L/hr

8 0
3 years ago
Devon is making 8 loaves of bread. Each loaf of bread needs
kondor19780726 [428]

Answer:

30 cups of flour

Step-by-step explanation:

3 x 8 = 24

3/4 x 8 = 24/4 = 6

24 + 6 = 30

6 0
2 years ago
Find the sum of the first 30 terms of the equation below: an=4n+1
Alex73 [517]
Let n = 30

We are actually looking for a_30.

a_30 = 4(30) + 1

a_30 = 120 + 1

a_30 = 121

6 0
3 years ago
Read 2 more answers
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