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anygoal [31]
3 years ago
10

How can i solve this?

Mathematics
1 answer:
k0ka [10]3 years ago
4 0
A=318 djdjvifsif9cz9focicisnfj

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The temperature at midnight was -12 degrees F. The temperature rose to 28 degrees by noon.
Zolol [24]
Figure out how many degrees the temperature changed from midnight to noon.

-12 to 28 is 40.
So the temperature change was 40 degrees F from midnight to noon
6 0
3 years ago
a countertop is 16 feet long and 3 feet wide tile cost $20 per square meter how much will it cost to cover the countertop with n
Sedbober [7]
The counter top is 48 square feet (16x3) and there are 4.45935 square meters in 1 square foot... So I think about $90... I Hope this helps :)
8 0
3 years ago
Which expression is equivalent to 16+2·36?
nikklg [1K]

Answer:

4(3 + 2x)(-3 + 2x)

Step-by-step explanation:

4 0
3 years ago
The floor of a rectangular banquet hall has an area of 3,600 m². The length is 90 m.
Grace [21]

Answer:

The width of the banquet hall is 40 m.

Hope this helps and have a nice day!

8 0
3 years ago
Solve the equation <img src="https://tex.z-dn.net/?f=8x%5E2%3D-36" id="TexFormula1" title="8x^2=-36" alt="8x^2=-36" align="absmi
chubhunter [2.5K]

Answer: 4(2x²+9) or i\frac{3\sqrt{2} }{2}

Step-by-step explanation:

To solve the equation by factoring, we want to set the equation to zero. In order to have the equation equal to zero, we want to add both sides by 36.

8x²=-36            [add both sides by 36]

8x²+36=0

When it comes to factoring, we want to pull out numbers or variables that are common in each term.

8x²+36=0         [take out a 4 in each term]

4(2x²+9)=0

It may seem that 2x²+9 can be factored further, it actually can't. This tells us that the factored form of the equation is 4(2x²+9)=0.

To solve the equation, we want to find the value of x. We already know the graph does not cross the x-axis because the y-intercept or vertex is (0,9).

4(2x²+9)=0       [divide both sides by 4]

2x²+9=0            [subtract both sides by 9]

2x²=-9               [divide both sides by 2]

x²=-9/2              [square root both sides]

x=\sqrt{-\frac{9}{2} } or x=i\frac{3\sqrt{2} }{2}

6 0
3 years ago
Read 2 more answers
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