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3 years ago

Write the sentence as an equation. 392 plus the product of f and 340 is equal to f

Mathematics

1 answer:

prohojiy [21]3 years ago

3 0

392+340f=f product is multiplying and plus is add

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Pls help this is probably super easy but not for me

san4es73 [151]

Answer:

A. 29 feet

Step-by-step explanation:

Use cos to find the hypotenuse

cos = adj/hp

0.64 = 20/hyp

hyp = 20/0.64

hyp = 31.25

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

Use Pythagorean Theorem to find the height of tree above eyes

a² + b² = c²

a² + 20² = 31.25²

a² = 31.25² - 20²

a² = 576.5625

a = 24 (to the nearest foot)

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

Finally add in the eye height

h = 24 + 5

h = 29 feet

3 0

2 years ago

Read 2 more answers

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Lyrx [107]

Hey there!!

Given equation :

( x - 1 ) / 4 = ( x + 2 ) / 3

First step we will need to take is to cross-multiply. In cross-multiplication, we will have t multiply the denominator with the numerator on both the sides. In this case, we will have to multiply 4 with x + 2 and 3 with x - 1.

... 4 ( x + 2 ) = 3 ( x - 1 )

... 4x + 8 = 3x - 3

Subtract 3x on both sides.

... x + 8 = -3

Subtract 8 on both sides

... x = - 11

Hope my answer helps!

6 0

3 years ago

PLEASE ANSWER

Natasha2012 [34]

Answer:

Step-by-step explanation:

5 0

2 years ago

Read 2 more answers

A family is preparing backpacks filled with school supplies to donate to children in need. They have 9 pencils and 6 notebooks.

mel-nik [20]

Answer:3

Step-by-step explanation: i think

6 0

2 years ago

The larger of two numbers is twice the smaller increased by five. Find the two numbers if three times the larger exceeds double

melomori [17]

Answer:

Larger number is 13 and Smaller number is 4.

Step-by-step explanation:

Let the larger number be x.

Also let the smaller number be y.

We need to find the two numbers.

Given:

The larger of two numbers is twice the smaller increased by five.

framing in equation form we get;

$x=2y+5$ ⇒equation 1

Also Given:

Three times the larger exceeds double the smaller by 31

$3x=2y+31$ ⇒equation 2

Now Substituting the value of x from equation 1 in equation 2 we get;

$3(2y+5) = 2y+31$

Now Using Distributive property we get;

$6y+15 = 2y +31$

Combining the like terms we get;

$6y-2y = 31-15$

Now Using Subtraction property we get;

$4y =16$

Now Using Division property we get;

$\frac{4y}{4}=\frac{16}{4}\\\\y =4$

Now Substituting value of y in equation 1 we will find the value of x.

$x=2y+5\\\\x = 2\times4+5\\\\x=8+5\\\\x=13$

Hence Larger number is 13 and Smaller number is 4.

3 0

3 years ago