2 years ago

I need help with my homework

Mathematics

2 answers:

Sphinxa [80]2 years ago

7 0

Answer:

the length is 6cm and the height is 9cm

Step-by-step explanation:

because 9x6=54

algol [13]2 years ago

3 0

The length is 6cm the length is 6cm and the height is 9cm

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Find the value of x <br> (8x-1) (4x+7)

Helen [10]

Answer:

The value of x = 7

Step-by-step explanation:

Given the right triangle

Right angle = 90°

α = (4x+7)°

β = (8x-1)°

We know that the sum of angles of a triangle is 180°.

Right angle + α + β = 180°

90° + 4x+7 + 8x-1 = 180

Group like terms

$4x+8x+90+7-1=180$

Add similar elements: :4x+8x=12x

$12x+90+7-1=180$

$12x+96=180$

$12x=84$

Divide both sides by 12

$\frac{12x}{12}=\frac{84}{12}$

$x = 7$

Therefore, the value of x = 7

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3 years ago

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dexar [7]

Answer:

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Step-by-step explanation:

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MaRussiya [10]

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Step-by-step explanation:

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2 years ago

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Miguel Rodriguez borrowed $500 from his brother Julio to pay for books and tuition. He agreed to pay back in 6 months with simpl

dolphi86 [110]

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2 years ago

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A=1/4 and b=6.<br><br> −8ab=

podryga [215]

Answer:

When $a=\frac{1}{4}$ and $b=6$ :

$-8ab=-12$

Step-by-step explanation:

-8ab can be seen as -8×a×b. Insert the given values:

$-8*\frac{1}{4} *6$

Simplify multiplication from left to right:

$-8*\frac{1}{4} \\\\\frac{-8}{1} *\frac{1}{4} =\frac{-8}{4} =-2$

Insert and solve:

$-2*6=-12$

:Done

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3 years ago