3 years ago

Please answer both zoom close so you can see the picture.

Mathematics

1 answer:

Iteru [2.4K]3 years ago

3 0

Well I only know the first one

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Please help will give brainliest answer

marishachu [46]

H=w=4w^3
l=5w^2-3w-4
A=w•l
A=4w^3(5w^2-3w-4)
A=20w^5-12w^4-16w^3
Good luck

6 0

3 years ago

URGENT WILL MARK BRAINLIEST

DiKsa [7]

Answer:

x=2, y=2

Step-by-step explanation:

3x + y = 8

2x + 4y = 12

Multiply the first equation by -4

-12x -4y = -32

Then add to the second equation

-12x -4y = -32

2x + 4y = 12

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

-10x + 0y = -20

-10x = -20

Divide by -10

-10x/-10 = -20/-10

x =2

Now find y

3x+y = 8

3(2)+y = 8

6+y = 8

y = 8-6

y =2

3 0

3 years ago

Read 2 more answers

Help plz just number 11 and 12

Stella [2.4K]

Answer is 4.0
32.8/8=4.0

4 0

3 years ago

Read 2 more answers

For each ordered pair, determine whether it is a solution to the system of equations.

andreyandreev [35.5K]

Answer:

(-6, 2) NO

(3, 5) NO

(-3, - 4) YES

(2, 9) NO

3 0

3 years ago

Given: ΔABC; a= 10; b = 13, and ∠C = 70°. Find the length of side c to the nearest whole number

Alexxandr [17]

Answer:

$c=13\ units$

Step-by-step explanation:

we know that

Applying the law of cosines

$c^2=a^2+b^2-2(a)(b)cos(C)$

we have

$a=10\ units\\b=13\ units\\C=70\°$

substitute

$c^2=10^2+13^2-2(10)(13)cos(70\°)$

$c^2=180.07$

$c=13\ units$

6 0

3 years ago