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3 years ago

1 Point

Mathematics

1 answer:

Gre4nikov [31]3 years ago

5 0

Answer:

C. The length is 6 times the width.

Step-by-step explanation:

Hope it helps you in your learning process.

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Find the quotient: –10/19÷(−5/7)

Semmy [17]

Answer:

14/19

Step-by-step explanation:

Note that there are two " - " signs here. Thus, the end result will be " + "

We move from left to right, obtaining first 10/19 divided by (5/7):

----- ÷ (5/7)

To divide by (5/7), invert (5/7) and then multiply. We get:

10 7 2(7)

----- * ----- = ------- = 14/19

19 5 19

4 0

3 years ago

The flagpole is 20 ft high and casts an 8 foot shadow, the oak tree casts a 12 foot shadow. How tall is the oak tree

Fudgin [204]

Answer: 4.8 ft

To answer this question you need to know how much shadow: actual height ratio. Flagpole is having 8 ft shadow with 20 ft actual height. The ratio should be= 8 ft: 20 ft= 0.4

Then multiply the ratio with the oak tree shadow. The equation would be:
0.4 x 12 ft= 4.8 ft

7 0

3 years ago

Which scenario can be modeled using the graph below

FromTheMoon [43]

Answer:

Graph is not listed

Step-by-step explanation:

6 0

3 years ago

Read 2 more answers

Matt invests $1,669 in a saving account with a fixed annual interest rate of 2% compounded 12 times per year. How long will it t

vesna_86 [32]

Answer:

It will take 4.84 years

Step-by-step explanation:

The initial amount that Matt invested was $1669. It means that principal is

P = 1669

It was compounded 12 times per year. So

n = 12

The rate at which the principal was compounded is 2%. So

r = 2/100 = 0.02

The formula for compound interest is

A = P(1+r/n)^nt

A = total amount in the account at the end of t years.

A = 1,844.38

Therefore

1,844.38 = 1669(1+0.02/12)^(12×t)

1,844.38/1669 = (1.0017)^(12t)

1.1051 = (1.0017)^(12t)

Taking log to base 10 of both sides, it becomes

Log 1.1051 = log 1.0017^(12t)

Log 1.1051 = 12tlog 1.0017

0.043 = 0.00074 × 12t

0.043 = 0.00888t

t = 0.043/0.00888

t = 4.84 years

6 0

3 years ago

In a polynomials equation do you add the exponents if they are different

Alexus [3.1K]

You can only add exponents if you are multiplying two of the same variable together. For example,
$x^{12} \times x^4 = x^{16}$

You take them away if you are dividing.
<span> $x^{12} \div x^4 = x^{8}$

In a polynomial equation, you can add together two of the same variable if they have the same exponent
</span> $3x^4 + 7x^4 = 10x^4$

Or you can take them away in a similar fashion,
<span> $3x^4 - 7x^4 = -4x^4$

But you cannot add two (or more) different exponents,
</span> $6+4x+7x^2 = 6+4x+7x^2$ (it does not get any simpler)

I hope this has answered your question, if not, leave a comment and I'll update the answer.

4 0

3 years ago