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FinnZ [79.3K]
4 years ago
13

Find the area of each trapezoid.

Mathematics
1 answer:
NARA [144]4 years ago
4 0

Answer:

First triangles area is 308

Step-by-step explanation:

Just multiply each one like the first one 7 times 4 times 11 =

308

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HELP ASAP. giving brainliest . And 20 points ! Need to know help ASAP.
antiseptic1488 [7]

Answer: 252 in

Step-by-step explanation:

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3 years ago
Which expression is equivalent to (r Superscript negative 7 Baseline) Superscript 6? r Superscript 42 StartFraction 1 Over r Sup
vodomira [7]

Power rule of exponents says that the power of the power of a exponent is equal to the multiplying both the powers. The expression which is equal to the given expression is,

\dfrac{1}{(r)^{42}}

The option B is the correct option.

Given information-

The given expression in the problem is,

[(r)^{-7}]^5

<h3>Power rule of exponents</h3>

Power rule of exponents says that the power of the power of a exponent is equal to the multiplying both the powers.

Suppose<em> </em><em>x</em> is a number with power <em>a. </em>The power is power of the power of number <em>x. </em>Then by the power rule of the exponents,

(x^a)^b=x^{ab}

Using the power rule of the exponents given expression can be written as,

[(r)^{-7}]^6=(r)^{-7\times 6} &#10;

[(r)^{-7}]^6=(r)^{-42}

<h3>Negative exponents rule</h3>

Negative exponents rule says that when a power of a number is negative, then write the number in the denominator with the same power with positive sign.Thus,

[(r)^{-7}]^6=\dfrac{1}{(r)^{42}}

Hence the expression which is equal to the given expression is,

\dfrac{1}{(r)^{42}}

The option B is the correct option.

Learn more about the power rule of exponents here;

brainly.com/question/819893

8 0
2 years ago
Read 2 more answers
if 22000 pots with 15 seeds each are used in a nursery, how many total seeds, in scientific notation?
kipiarov [429]

Write the total number of seeds in scientific notation

Given:

Number of pots = 22,000

Number of seeds = 15

<em>Total number of seeds = Number of pots × Number of seeds</em>

= 22,000 × 15

= 330,000

Scientific notation is written in multiples of 10

  • Count the number of digits
  • Insert a decimal point between the first digit and other digits
  • count the number of digits after the first digits
  • multiply by 10 raise to the power of number of remaining digits after first digits

= 3.30000 × 10^5

Therefore,

the total number of seeds in

scientific notation is 3.30000 × 10^5

Read more:

brainly.com/question/10401258

7 0
3 years ago
HELP PLEASE I will give brainlist ​
steposvetlana [31]

Answer:

the second one

Step-by-step explanation:

y = 2/3 (x +6)-5

4 0
3 years ago
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What is 9,276 divided by 8
mamaluj [8]
9,276÷8=1,159.5 i hope i helped you i am a 3rd grader
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