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2 years ago

What is the coefficient in the expression 15y + 5

Mathematics

2 answers:

dalvyx [7]2 years ago

8 0

Answer:

Step-by-step explanation:

If helpful, please give 5 star, thanks, and brainliest!

Nikitich [7]2 years ago

6 0

-20 because 15 it’s ro moved

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Dilbert invests a total of $33 000 in two accounts paying 6% and 10\% interest, respectively. How much was invested in each acco

vladimir1956 [14]

Answer:

In the 6% account, 13,000 was deposited

In the 10% account, 20,000 was deposited

Step-by-step explanation:

Here, we are interested in calculating how much invested in each account

Let the amount invested be $x and $y

Mathematically;

x + y = 33,000 ••••(i)

Now let’s work with interest

6% of x + 10% of y = 2780

6/100 * x + 10/100 * y = 2780

Multiply through by 100

6x + 10y = 278000 •••••••••(ii)

From i, x = 33,000 -y

Put this into ii

6(33,000 -y) + 10y = 278000

198,000-6y + 10y = 278000

4y = 80000

y = 80,000/4 = 20,000

But x = 33,000 -y = 33,000 -20,000 = 13,000

3 0

3 years ago

PLEASE HELP! The table shows the number of cans of soup shipped in different numbers of boxes.

mel-nik [20]

The equation that expresses the relationship between the number of boxes, b and the number or cans, c would be c = 48b. This is because the number or cans shipped would be the dependent variable to the problem as it is dependent on the number or boxes that ship along with. So if one ships 2 boxes then the number of cans that would be shipped would need to match the final output of cans which is 96, and using the equation, c = 49b it does.

c = 48b
96 = 48(2)
96 = 96.

Technically the first option will also be correct but usually the variable in an algebraic expression comes after the coefficient.

5 0

3 years ago

Read 2 more answers

Can you help please Z^2 x z^-3

damaskus [11]

Answer:

It equals x/z.

Step-by-step explanation:

Hope this helps!!!!

6 0

2 years ago

Convert the Cartesian equation x - 5 = 0 to a polar equation.

mylen [45]

Answer:

r = 5sec(θ)

Step-by-step explanation:

The usual conversion is ...

y = r·sin(θ)

x = r·cos(θ)

The second of these can be used here.

r·cos(θ) -5 = 0

r·cos(θ) = 5

r = 5/cos(θ) = 5sec(θ)

A suitable polar equation is ...

r = 5sec(θ)

5 0

2 years ago

Given: The

gtnhenbr [62]

Answer:

a=8.2

Step-by-step explanation:

3 0

1 year ago