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3 years ago

At this rate, how much would 6 bagels cost?

Mathematics

1 answer:

dolphi86 [110]3 years ago

6 0

Answer:

2 ½ dollars

Step-by-step explanation:

You take half of 5 and that makes 2 ½

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Factor 5x2+10x-15 , please lend a helping hand if you will.

Usimov [2.4K]

The correct answer is: [B]: " (x + 3)(5x - 5) " .
_________________________________________________________

3 0

3 years ago

Ian has the choice of taking out a 25-year loan for $205,000 at 3.2% interest, compounded monthly, or the same loan at 20 years

PolarNik [594]

B. Less than $93,077

4 0

3 years ago

Read 2 more answers

Help please solve for ABC i will give brainlest

Verizon [17]

Answer:

-9

Step-by-step explanation:

You subtract 2x-6 that gives you -3

You add 3x+31 that gives you 3

You multiply your to answers -3x3

And you get -9 Hope this helps!!!!

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8 0

2 years ago

A Shopkeeper

Sergio [31]

Answer:

The cost of bicycle is Rs1000

Step-by-step explanation:

Let x be the cost of bicycle

Total profit gained by the shopkeeper by selling at labelled price = 20%

Suppose he sell the bicycles at at 5% discount

Which means that the total profit he learn after discount will be:

20% -5% = 15%

The shopkeeper earns a profit of 15% if he sells at discount.

Profit gained by shopkeeper is:

15% of x = 15/100 · x

15% of x = 0.15x

Thus the profit gained will be 0.15x. As profit gained is equal to 150, we can say that

0.15x = 150

x = 1000

The cost of bicycle is Rs1000

4 0

3 years ago

Please help! Thanks in advance.

alukav5142 [94]

In this problem, we need to plug in the given x values for $f(x)=0$ and find a and b.

When we plug in 1, we get: $2 \times {1}^{4} - 5 \times {1}^{3} - 14 \times {1}^{2} + a \times 1 + b = 0$

Simplify:
$2 - 5 - 14 + a + b = 0$
$- 17 + a + b = 0$
$a + b = 17$

We got our first statement about the values of the variables. If we find one more we can find those 2 variables.

We have another given root: 4.

Plug it in:
$2 \times {4}^{4} - 5 \times {4}^{3} - 14 \times {4}^{2} + a \times 4 + b = 0$
$512 - 320 - 224 + 4a + b = 0$
$- 32 + 4a + b = 0$
$4a + b = 32$

Now we have our second one. We can combine them:
$a + b = 17 \\ 4a + b = 32$

I use elimination method which is easier here.

Multiply the top equation by -1: $- a - b = - 17 \\ 4a + b = 32$

Add them up:
$3a = 15$

Simplify:
$a = 5$

Now we have a, we can plug in one of those equations to find b:
$5 + b = 17$
$b = 17 - 5$
$b = 12$

So, the answers are $a=5$ and $b=12$ .

6 0

3 years ago