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Andrews [41]
3 years ago
13

( 3u + 7 )( 5 - u )= 0​

Mathematics
1 answer:
mixas84 [53]3 years ago
5 0

Answer:

The answer is 484. Please let me know if it helped you.

Step-by-step explanation:

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What is the value of the expression
Levart [38]

Answer:

\boxed{\sf -2}

Step-by-step explanation:

\sf Evaluate \:  -  {x}^{2}  - 4x - 6 \:  where \:  x =  - 2: \\  \sf \implies  -  {x}^{2}  - 4x - 6 =  -  {( - 2)}^{2}  - 4( - 2) - 6 \\  \\  \sf  {( - 2)}^{2}  = 4 :  \\  \sf \implies  -  \boxed{ \sf 4} - 4( - 2) - 6 \\  \\  \sf - 4( - 2) = 8 :  \\  \sf \implies  - 4 +  \boxed{ \sf 8} - 6 \\  \\  \sf  - 4 + 8 - 6 = 8 - (4 + 6) :  \\  \sf \implies 8 - (4 + 6) \\  \\  \sf 4 + 6 = 10 :  \\  \sf \implies 8 -  \boxed{ \sf 10} \\   \\  \sf \implies -  2

5 0
4 years ago
What is the interest charge on $45.75 at 1.8% interest?
EleoNora [17]

Answer:

.82

Step-by-step explanation:

45.75 x .018=.82

8 0
4 years ago
The cable supporting a ski lift rises 2 feet for each 5 feet of horizontal length. The top of the cable is fastened 1320 feet ab
ollegr [7]
The resulting triangle is a right triangle with the third side given:
First, the angle can be solved using the given rise and run of the cable. So,
tan θ = 2 / 5
θ = 15.95°

Next, the lengths b and c can be solved using the solved angle:
tan 15.95 = 1320 / b
b = 3300 ft

The hypotenuse or c can be solved by trigonometric functions or using Pythagorean theorem, using the sine function:
sin 15.95 = 1320 / c
c = 4804 ft
5 0
3 years ago
What is the value of 27−2m , when m = 3? 4 21 22 75
notka56 [123]
27 - 2m when m = 3 is 27 - 2(3) = 27 - 6 = 21
4 0
3 years ago
Read 2 more answers
Please help this is due in 3 hours!! #17
Westkost [7]

Answer:

multiply 31.4x7.9 then add 9.5 to the answer to multiplication prob. Then add your answer in the first sentence. Then multiply 4.6 x 2 . I think that right,good luck : ) luck.

4 0
3 years ago
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