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olga_2 [115]
3 years ago
12

What are the solutions to the quadratic equation x^2+6x=40

Mathematics
2 answers:
inysia [295]3 years ago
8 0
The answers are 4, -10
kodGreya [7K]3 years ago
5 0
<span>x = 10 or x = -4. It's one of those 2, there's 2 solutions for what I solved.</span>

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Catherine needs to sell boxes of cookies as a fundraiser for a team. She starts with 135 boxes and begins selling at a constant
gtnhenbr [62]
Start at (0, 135) and work your way down 15 and over one each time. Your next point would be (1, 120)
8 0
3 years ago
Read 2 more answers
How many one-degree angles are in a 70 degree angle?
SVEN [57.7K]

Answer:

There are 70 one degree angles in a 70 degree angle

Step-by-step explanation:

6 0
3 years ago
What are 25 times by the same number then divide it by sixty
larisa86 [58]
25(25) = 625

625/60 ≈ 10.4166

Or when rounded to the nearest hundredth, 10.42
6 0
3 years ago
Confusion...help please
kifflom [539]

Given:

In triangle KLM, KL = 123 cm and measure of angle K is 35 degrees.

To find:

The length of the side KM to the nearest tenth of a centimeter.

Solution:

In a right angle triangle,

\cos \theta =\dfrac{Base}{Hypotenuse}

In the given right triangle KLM,

\cos K=\dfrac{KM}{KL}

\cos (35^\circ)=\dfrac{KM}{123}

0.819152=\dfrac{KM}{123}

Multiply both sides by 123.

0.819152\times 123=KM

100.755696=KM

KM\approx 100.8

The measure of side KM is 100.8 cm.

Therefore, the correct option is (2).

8 0
2 years ago
11. Keng creates a painting on a rectangular canvas with a width that is four inches longer
GrogVix [38]

Part A

<h3>Answer:  h^2 + 4h</h3>

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

Explanation:

We multiply the length and height to get the area

area = (length)*(height)

area = (h+4)*(h)

area = h(h+4)

area = h^2 + 4h .... apply the distributive property

The units for the area are in square inches.

===========================================================

Part B

<h3>Answer:  h^2 + 16h + 60</h3>

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

Explanation:

If we add a 3 inch frame along the border, then we're adding two copies of 3 inches along the bottom side. The h+4 along the bottom updates to h+4+3+3 = h+10 along the bottom.

Similarly, along the vertical side we'd have the h go to h+3+3 = h+6

The old rectangle that was h by h+4 is now h+6 by h+10

Multiply these expressions to find the area

area = length*width

area = (h+6)(h+10)

area = x(h+10) ..... replace h+6 with x

area = xh + 10x .... distribute

area = h( x ) + 10( x )

area = h( h+6 ) + 10( h+6 ) .... plug in x = h+6

area = h^2+6h + 10h+60 .... distribute again twice more

area = h^2 + 16h + 60

You can also use the box method or the FOIL rule as alternative routes to find the area.

The units for the area are in square inches.

6 0
3 years ago
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