3 years ago

What is the equation for the table

Mathematics

1 answer:

liq [111]3 years ago

8 0

The equation is y=11x

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When the product of 6 and the square of a number is increased by 5 times the number, the result is 4. Which equation represents

adelina 88 [10]

$6{x}^{2} + 5x = 4$
$6 {x}^{2} + 5x - 4 = 0$

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3 years ago

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What is the area of triangle DEF?

FrozenT [24]

Answer:

$A=2\sqrt{14}\ units^2$

Step-by-step explanation:

we know that

Heron's Formula is a method for calculating the area of a triangle when you know the lengths of all three sides.

$A=\sqrt{s(s-a)(s-b)(s-c)}$

where

a, b and c are the length sides of triangle

s is the semi-perimeter of triangle

we have

$a=5\ units,b=6\ units,c=3\ units$

<em>Find the semi-perimeter s </em>

s= $\frac{5+6+3}{2}=7\ units$

Find the area of triangle

$A=\sqrt{7(7-5)(7-6)(7-3)}$

$A=\sqrt{7(2)(1)(4)}$

$A=\sqrt{56}\ units^2$

simplify

$A=2\sqrt{14}\ units^2$

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3 years ago

Movie tickets are $4 for regular admission and $3 for seniors. On a night where there were 190 people and total sales of $720 ho

labwork [276]

Answer is B: 150

write two equations

r+s=190
4r+3s=720

solve by substitution

the get r=150 s=40

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3 years ago

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Use the distributive property to write an expression that is equivalent to: 3(x + 5)

lana [24]

Answer:

3x=15

Step-by-step explanation:

Here's what I found on google about the distributive property-

To “distribute” means to divide something or give a share or part of something. According to the distributive property, multiplying the sum of two or more addends by a number will give the same result as multiplying each addend individually by the number and then adding the products together.

Now for the math-

3(x+5)

distribute the numbers- 3(x)+3(5)

solve- 3*5=15

3x+15

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3 years ago

Which of the ratios does not form a proportion 28.49=4.7

VARVARA [1.3K]

28.49 because they dont have a proportion

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3 years ago