3 years ago

I need help, also give explantion please

Mathematics

1 answer:

HACTEHA [7]3 years ago

3 0

Answer:

$\huge \: 8 {x}^{3} \times 3 {x}^{9} = 24 {x}^{12}$

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1) Find the values of 'a' and 'b' for the given parallelogram *

nataly862011 [7]

Answer:

first option

Step-by-step explanation:

In a parallelogram consecutive angle are supplementary, sum to 180, so

2a + 122 = 180 ( subtract 122 from both sides )

2a = 58 ( divide both sides by 2 )

a = 29

---------------

In a parallelogram the opposite sides are congruent, then

b + 6 = 10 ( subtract 6 from both sides )

b = 4

5 0

3 years ago

If y varies directly as the x^2 and y = 200 when x = 5, what is the value of y when x = -3?

gayaneshka [121]

As the variation is direct we have:
$y = kx ^ 2
$
We must find the value of k.
For this, we use the following data:
y = 200 when x = 5
Substituting values we have:
$200 = k5 ^ 2
$
Clearing k:
$k = 200/5 ^ 2

k = 200/25

k = 8$
Then, the function is:
$y = 8x ^ 2
$
We evaluate the function for x = -3
$y = 8 (-3) ^ 2

y = 8 (9)

y = 72$
Answer:
the value of y when x = -3 is:
c.
72

6 0

3 years ago

How do you solve this equation -6x + 7y =13 and -6x +8y =20 using elimination

ohaa [14]

Answer:

x=6,y= 7

Step-by-step explanation:

-6x +7y= 13

-6x+8y=20

-y = -7

divide through by -1

y =7

sub y= 7 in equation 1

then x= 6

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3 years ago

Whats an equation of a line thwt passes through the points (5,2) and (3,2)

Otrada [13]

2-2=0
5-3=2

so the answer is o over 2 aka 0/2

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3 years ago

A grocer takes a delivery of beverages from your truck at $6 per case. You unloaded 53 cases for the grocer today. How much does

Margarita [4]

Answer:

318$

Step-by-step explanation:

6*53 = 318$

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3 years ago