3 years ago

Test 69,000 on hearing to for divisibility by 2 3 5 9 or 10

Mathematics

1 answer:

svetoff [14.1K]3 years ago

7 0

Yes they are correct

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When f(x)=5x^2-2x+5, evaluate f(-3)

patriot [66]

Answer:

f(-3)=56

Step-by-step explanation:

When evaluating a specific input for a function, you just plug that input in for x.

So in this case, f(-3)=5(-3)^2-2(-3)+5

f(-3)=5(-3)^2-2(-3)+5

f(-3)=5(9)+6+5

f(-3)=45+6+5

f(-3)=56

8 0

2 years ago

Maria put 18 crayons in 3 different baskets. She put the same number of crayons in each basket. How many crayons did Maria put i

allochka39001 [22]

54 i believe

explanation: if you put 18 crayons in 3 baskets each it’s gotta b 54

4 0

3 years ago

Read 2 more answers

A manufacturer produces bolts of a fabric with a fixed width. A quantity q of this fabric (measured in yards) that is sold is a

BigorU [14]

Answer:

$R'(20) = 2000$

Step-by-step explanation:

We are given the following in the question:

Quantity, q

Selling price in dollars per yard, p

$q=f(p)$

Total revenue earned =

$R(p)=pf(p)$

f(20)=13000

This means that 13000 yards of fabric is sold when the selling price is 20 dollars per yard.

f′(20)=−550

This means that increasing the selling price by 1 dollar per yards there is a decrease in fabric sales by 550.

We have to find R'(20)

Differentiating the above expression, we have,

$R'(p) = \displaystyle\frac{d(R(p))}{dp} = \frac{d(pf(p))}{dp} = f(p) + pf'(p)$

Putting the values, we get,

$R'(p) = f(p) + pf'(p)\\\\R'(20) = f(20) + 20(f'(20))\\\\R'(20) = 13000 + 20(-550) = 2000$

7 0

3 years ago

Please help me with my homework

Anna35 [415]

Answer:

x=90 y=58 z=32

Step-by-step explanation:

I don't know how to explain it but yea

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3 years ago

Need help ASAP<br> Will mark you brainlist

sattari [20]

Answer:

Step-by-step explanation:

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2 years ago