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BARSIC [14]
3 years ago
5

Please help me I'm stuck on these questions!

Mathematics
1 answer:
defon3 years ago
8 0
5.) (part 1) is 5x^3, part 2 is 0.25x^2
6.) part 1.) D^2. Part 2.) T^2
7.) part 1.) x^9, part 2.) y^10
9.) part 1.) 15x^2y^3, part 2.) 5ab
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Cos(x)= sin(35) what does x =?
mylen [45]
Here,

cos(x) = sin(35)
cos(x) = cos(90-55)
cos(x) = cos(55)
x = 55
3 0
3 years ago
If f(x)=3^x+10x and g(x)=4x-2, find (f+g)(x)
Vikentia [17]
Hi there!

First we need to remember the following.
(f + g)(x) = f(x) + g(x)

Now substitute both of the formulas.
(f + g)(x) = ({3}^{x} + 10x)+ (4x - 2)

Work out the parenthesis.
(f + g)(x) = {3}^{x} + 10x + 4x - 2

And finally collect terms.
(f + g)(x) = {3}^{x} + 14x - 2

~ Hope this helps you!
3 0
3 years ago
Read 2 more answers
List the steps to calculate the slope/rate of change using a calculator.
andrezito [222]
Is this what you’re talking about

4 0
2 years ago
A student answered 86 problems on a test correctly and received a grade of 98%. How many problems were on the test, if all the p
balu736 [363]

Answer:

88 problems

Step-by-step explanation:

Set this problem up as fractions

86/x = 98/100

Cross multiply

86 × 100 = x × 98

8600 = 98x

Divide both sides by 98

87.75... = x

Round to nearest whole number

87.75 rounds up to 88

88 problems

7 0
3 years ago
I need help I don’t understand :(
sveticcg [70]

Answer:

.

Step-by-step explanation:

7 0
3 years ago
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