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3 years ago

Systems of equations have one solution.. . Always. . Sometimes. . Never

1 answer:

4 0

Systems of equations have one solution SOMETIMES.

There are equations wherein the lines intersect.
There are equations wherein the lines do not intersect so no solutions.
Thus, the answer is sometimes.

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A tree casts an 8-foot shadow on the ground. The length from the tip of the shadow to the top of the tree is 17 feet. What is th

dimulka [17.4K]

Answer:

Height of tree = 15 ft

Step-by-step explanation:

Given:

Length of shadow (Base) = 8 ft

Length from the tip to top of the tree (Hypotenues) = 17 ft

Find:

Height of tree = ?

Computation:

Using Pythagoras theorem:

$Height\ of\ tree = \sqrt{Hypotenues^2 - base^2} \\\\Height\ of\ tree = \sqrt{17^2 - 8^2} \\\\Height\ of\ tree = \sqrt{289-64}\\\\Height\ of\ tree = \sqrt{225}\\\\ Height\ of\ tree =15$

Height of tree = 15 ft

8 0

3 years ago

If Mrs. Nelson needs to order 348 jars of paint for her art classroom and there’s a box of 12 jars of paint that’s on sale at th

irakobra [83]

29 jars because if every box as 12 jars you multiply 12×29= 348
then multiply 29×16=$464

4 0

3 years ago

What is the solution of 2|2x-1|-8=18?

Maurinko [17]

Solve for $|2x-1|$ :

$2|2x-1|-8=18\implies2|2x-1|=26\implies|2x-1|=13$

Now if $2x-1\ge0$ , we have $|2x-1|=2x-1$ and

$2x-1=13\implies2x=14\implies x=7$

On the other hand, if $2x-1$ , then $|2x-1|=-(2x-1)=1-2x$ and

$1-2x=13\implies-2x=12\implies x=-6$

4 0

3 years ago

Read 2 more answers

Hey:) can you please help me posted picture of question

trasher [3.6K]

Answer:
32x² + 36x + 9

Explanation:
To answer the question, we will simply multiply each term from the first bracket by each term from the second bracket and then combine like terms to get the final expression.

This can be done as follows:
(8x + 3)(4x + 3)
8x(4x) + 8x(3) + 3(4x) + 3(3)
32x² + 24x + 12x + 9
32x² + 36x + 9

Hope this helps :)

7 0

3 years ago

Read 2 more answers

How do you solve f-3/4=5/6?

gulaghasi [49]

Answer:

f =38

Step-by-step explanation:

f-3/4=5/6

f-3×6=5×4

f-18 =20

f =20+18

f =38

6 0

2 years ago