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Dima020 [189]
4 years ago
9

The matrix below represents a system of equations,

Mathematics
1 answer:
AlekseyPX4 years ago
6 0

Answer:

-11

Step-by-step explanation:

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Out of 150 students at JHS 190, 48 had Calamari for lunch. What percent had Calamari for lunch?
kirill [66]

Answer: 32%

Step-by-step explanation:

From the question, we are informed that out of 150 students at JHS 190, 48 had Calamari for lunch.

The percent that had Calamari for lunch would be calculated as:

= Number of students that had Calamari / Total students at JHS 190 × 100

= 48/150 × 100

= 32%

7 0
3 years ago
Solve a = d+c/b for d. d = ab + c d = a/b - c d = ab - c
mafiozo [28]

Answer:

Ab -c

Step-by-step explanation:

multiply both sides by B

Then subtract C Brainliest please!

8 0
3 years ago
Gina went for a fun dinner at Sally's Savory Seafood with some friends. The bill
snow_tiger [21]

Answer: Tip- $9.16

Total bill will be $57.82

Step-by-step explanation:

Bill before tax is $45.80

6.25% sales tax implies 6.25/100 x 45.80= $2.86

20% tip = 20/100 x $45.80 = $9.16

Total bill is therefore $45.80+ $2.86+ $9.16

5 0
4 years ago
Which of the following statements have the same result? Explain each step in solving each one.. . I f(3) when f(x) = 2x + 2. II
zhuklara [117]
F(x) = 2x + 2.....find f(3)
f(3) = 2(3) + 2
f(3) = 6 + 2
f(3) = 8

f(x) = (3x - 4)/5....find f^-1(4)
y = (3x - 4)/5...swap the variables
x = (3y - 4)/5 ...solve for y
5x = 3y - 4
5x + 4 = 3y
(5x + 4)/3 = y
f^-1(x) = (5x + 4)/3.....for f(4)
f(4) = (5(4) + 4)/3
f(4) = (20 + 4)/3
f(4) = 24/3
f(4) = 8

y + 10 = 2y + 1
y - 2y = 1 - 10
-y = -9
y = 9

so 1 and 2 have the same result...8

8 0
4 years ago
Cabbie Taxi charges $4 for any pickup plus $3 per mile. How many miles were driven if the total charge was $52?
liberstina [14]

Answer:

16 miles

Step-by-step explanation:

6 0
3 years ago
Read 2 more answers
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