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pychu [463]
4 years ago
8

Which expression is equivalent to 510•55

Mathematics
1 answer:
Dmitry [639]4 years ago
6 0

Answer:

5^15

Step-by-step explanation:

When the bases are the same, we add the exponents when multiplying

5^10 * 5^5

5^(10+5)

5^15

You might be interested in
What is the range of this function
Marina86 [1]

The range of a function is the output values ( Y values)

These would be the numbers the arrows are pointing at.

-8, -3 , 5 and 7

The answer is C.

3 0
3 years ago
GUYS HELP PLSS, I SWTG
n200080 [17]

Step-by-step explanation:

#1 equals 1 1/4

The common denominator for 1/6, 2/3, and 5/12 would be 12. So I made the denominators 12 which means 1/6 would turn into 2/12, 2/3 turns into 8/12, and 5/12 stays the same. When I add them all up I get 15/12. I can turn that into a mixed number which would be 1 3/12. I can simplify that down to <em><u>1 1/4.</u></em>

#2 equals 3/4

The first thing you have to do is turn 2 2/3 and 1 3/4 into improper fractions. Which would turn 2 2/3 into 24/3 and 1 3/4 into 21/12. The next thing is you have to find a common denominator which would be 12. Next you have to turn the denominators into a 12 and change the numerator. Which makes the fractions: 24/12, 6/12, and 21/12. When you add 24/12 and 6/12 together you get 30/12 minus 21/12 you get 9/12. You can then simplify that to <em><u>3/4. </u></em>

#3 equals -1 17/36

The first thing you do is turn 3 5/18 into an improper fraction which would be 59/18. then you find a common denominator which would be 36 and make the denominators of those numbers into 36 which would be 11/36, 54/36, and 118/36. When you add up 11/36 and 54/36 you get 65. but when you - 65 by 118 you get -53 / 36. you can lend turn that into <u>-</u><em><u>1 17/36. </u></em>

I'm not sure about number 4 and I don't want to give you the wrong answer. Hopefully what I did show you helped!

4 0
3 years ago
A 5-pound bag of oranges costs $10. How much does it cost for<br> 1 pound of oranges?
Readme [11.4K]
It cost 2 dollars for 1 pound of oranges
7 0
3 years ago
The focus of a parabola is (-4, -5), and its directrix is y = -1. Fill in the missing terms and signs in the parabola's equation
Marizza181 [45]

Answer:

(x+4)^2=-8(y+3)

Step-by-step explanation:

Given:

focus of parabola=(-4,-5)

directrix= -1

Standard form of parabola :

(x - h)^2 = 4p (y - k),

where focus is:

(h, k + p)

directrix  is :

y = k - p

Now equating the values we get

(-4,-5) = (h,k+p)

h=-4

k+p=-5

k=-5-p

Also

y=-1 and y=k-p

i.e. k-p=-1

Substituting k=-5-p in above we get:

-5-p-p=-1

-2p=-1+5

p=4/-2

p=-2

Putting p=-2 in k-p=-1 we get:

k=-1-2

k=-3

Putting all the values in standard formula for parabola we get:

(x - (-4))^2 = 4(-2) (y -(-3))

(x+4)^2=-8(y+3)!

3 0
3 years ago
Q1: Payments of $ 670 are being made at the end of each month for 5 years at an interest of 8% compounded monthly. Calculate the
zhuklara [117]

Answer:

$50,281.04

Step-by-step explanation:

5 years is equivalent to (5 × 12) = 60 months

Now, the first payment $670 is compounded for 60 months at the rate of \frac{8}{12} = 0.667% monthly interest.

So, it will become 670(1 + \frac{0.667}{100})^{60} = 670(1.0067)^{60}.

Similarly the second payment of $670 will become 670(1.0067)^{59}

Therefore, in this way after 60 months i.e. 5 years the total sum will be

= 670 + 670(1.0067)^{1} + 670(1.0067)^{2} + 670(1.0067)^{3} + ........ + 670(1.0067)^{59} + 670(1.0067)^{60}

= 670[1 + (1.0067) + (1.0067)^{2} + (1.0067)^{3} + ....... + (1.0067)^{59} + (1.0067)^{60} ]

= 670[1 \times \frac{(1.0067)^{61} - 1 }{1.0067 - 1} ]

= $50,281.04 (Answer)

{Since, the sum of the G.P. series 1 + r + r^{2} + r^{3} + .......... + r^{n} = 1 \times \frac{r^{n + 1} -1}{r - 1} }

3 0
3 years ago
Read 2 more answers
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