10x f ( 7 ) + 9 x g(-1) =

Answers

Answer 1

Answer:

The value of the expression is 3439 in the given case of $10x f ( 7 ) + 9 x g(-1)$

To solve the expression $10x * f(7) + 9 * g(-1)$ , we need to know the specific functions f(x) and g(x) and their corresponding values at x = 7 and x = -1. Once we have this information, we can substitute the values and then perform the calculations to find the result.

For example, if the functions are defined as follows:

$f(x) = x^2\ng(x) = 2x + 3$

Then, we can evaluate the expression as follows:

$f(7) = 7^2 = 49\n\ng(-1) = 2(-1) + 3 = 1$

Now, substitute the values back into the expression:

$10x * f(7) + 9 * g(-1) = 10 * 7 * 49 + 9 * 1 = 10 * 343 + 9 = 3430 + 9 = 3439$

So, the value of the expression is 3439.

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Solve the given expression-

$10x f ( 7 ) + 9 x g(-1)$

Answer 2

Answer:

Answer:

what are you trying to look for the variables or answer?

Step-by-step explanation:

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Two friends leave school at the same time, Sarah is heading due north and Beth is heading due east. One hour later they are 10 miles apart. If Sarah had traveled 8 miles from the school, how many miles had Beth traveled?6 miles
10 miles
8 miles
4 miles

Answers

If you picture this scene in your head, you will get a simple 3x4x5 right triangle. 4 times 2 is 8, 5 times 2 is 10, so Sarah should, by now, have traveled 3 times 2 miles.
Final answer: Sarah has traveled 6 miles after an hour.
Hope this helped! :)

Helping tip: The reason it is not 4 is because they are not traveling west and east away from each other. They are traveling north and east, so they are moving in two directions to form a right triangle, and the hypotenuse would be 10 (miles). The side, or distance, that Beth has traveled is 8. So as this is a typical variation of a 3x4x5 triangle, Sarah will have traveled 6 miles.

wouldn't it actually be 2 miles but since its not listed I would say 4 because if there 10 miles apart and Sarah is 8miles from the school were they both started then 10-8=2. or you can take the two and divide it by 8 and get 4

In ∆ABC, AC = 15 centimeters, m B = 68°, and m C = 24°. What is BC to two decimal places?6.58 centimeters
9.88 centimeters
13.57 centimeters
16.17 centimeters
19.25 centimeters

Answers

I dont know which math you are in but you can use the law of sins. (A/sin(a))=(B/sin(b)) where the capital letters are the sides (in this case you would put AC or whatever side length it is) and the lower case letters are the measures on the angles.
that may have been confusing but look up the laws of sines and cosine because you'll need to learn them and it's very helpful.
15/sin68 = x/sin88 x is the side BC and to get angle A, do 180-68-24
so x= sin88 (15/sin68)
so the answer to this question would be 16.17 cm

Answer:

16.17 cm would be the answer

Which of the following expressions are equivalent to4x - 6+ 8x + 2?
Select all that apply.
A
12x - 4
B 4(3x - 1)
C -2x + 10
D
2r - 8