2 years ago

HELP!! I wasn't in class today and I wasn't able to get the answers to this sheet. Anybody have any idea what the answers are?

Mathematics

1 answer:

dusya [7]2 years ago

4 0

Answer:

idk but you can ask your teacher for help

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The binomial 8x+6 is equivalent to

andreyandreev [35.5K]

Using the Distributive Property

The answer would be 3.

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3 years ago

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Which equation can be solved by using this expression?

Marat540 [252]

<u>Answer:</u>

The correct answer option is B. 2 = 3x + 10x^2

<u>Step-by-step explanation:</u>

We are to determine whether which of the given equations in the answer options can be solved using the following expression:

$x=\frac{-3 \pm\sqrt{(3)^2+4(10)(2)} }{2(10)}$

Here, $a = 10, b = 3$ and $c=-2$ .

These requirements are fulfilled by the equation 4 which is:

$12=3x+10x^2$

Rearranging it to get:

$10x^2+3x-2=0$

Substituting these values of $a,b,c$ in the quadratic formula:

$x= \frac{-b \pm \sqrt{b^2-4ac} }{2a}$

$x= \frac{-3 \pm\sqrt{(3)^2-4(10)(-2)} }{y}$

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2 years ago

On a map. 1 inch equals 15 miles. Two cities are 6 inches apart on the map. What is the actual distance between the cities?

WARRIOR [948]

Answer:

90 miles

Step-by-step explanation:

The person who answered first explained it well, so I dont have to.

have a nice day :)

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2 years ago

Rewrite the following 7(3+5=___+___

Ray Of Light [21]

Answer:

21+35

Step-by-step explanation:

use distributive property, multiply 7 by the two numbers in the parenthesis

keep the problem though.

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Lacie wants to paint her bedroom walls. She has to cover 1,162.5 square feet. About how many gallons of paint will she need?

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2 years ago