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Doss [256]
3 years ago
13

Work out the area of a triangle of base 7.5m And height 6cm! Please and thanks beforehand!❤️

Mathematics
1 answer:
anygoal [31]3 years ago
8 0
You're welcome and don't mention it, beforehand.

There's so little to this problem, and it will do you so much
more good to work it out yourself, that I'm just going to
point you in the right direction and give you a little push:

 The area of a triangle is half of the product of its base and height.

                     A  =  (1/2) (base) (height)

I know you know what the base and height are, because
you just told them to US.

             Base = 7.5m  = 750 cm
             Height = 6 cm.

Write those numbers in the formula in place of the words:

<span>                A  =  (1/2) (base) (height)</span>

                A  =  (1/2) (750 cm) (6 cm) .

Do that multiplication, and you've got your area.

Don't forget to keep the units when you multiply,
so that the answer is in units of  cm² .

The answer may be a big number, and you may want to
change it to  meter²  instead of  cm², to make it a smaller
number.

If you do that, remember that

         1 meter = 100 cm

          1 meter² = (1 meter) · (1 meter)

                         =  (100 cm) · (100 cm)

                         =      10,000 cm² 
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Solve for x 2.3(6-x)+22=96-2.3(2x+12)
melomori [17]

Hello!

(this took me 20 minutes to type out from what I wrote on paper lol)

I'm going to guide you through this one step at a time

Step 1: Simplify both sides of the equation.

2.3(6−x)+22 = 96−2.3(2x+12)

(2.3)(6)+(2.3)(−x)+22 = 96+(−2.3)(2x)+(−2.3)(12) (use distributive property of multiplication)

13.8+−2.3x+22 = 96+−4.6x+−27.6

(−2.3x)+(13.8+22) = (−4.6x)+(96+−27.6) (Combine The Like Terms)

−2.3x+35.8 = −4.6x+68.4

−2.3x+35.8 = −4.6x+68.4

Step 2: now, add 4.6x to both sides.

−2.3x+35.8+4.6x = −4.6x+68.4+4.6x

2.3x+35.8 = 68.4

Step 3: next, subtract 35.8 from both sides.

2.3x+35.8−35.8 = 68.4−35.8

2.3x = 32.6

Step 4: Divide both sides by 2.3.

\frac{2.3X}{2.3} = \frac{32.6}{2.3}

fractions solved: x = 14.173913

your final answer is: x = 14.173913

I hope this helps, and have a nice day!

5 0
3 years ago
True or false? in a two column proof, the left cloumn contains a series of deductions
Vera_Pavlovna [14]

Answer:

True.

Step-by-step explanation:

The left side of a "two column proof" is used for your "work" and the right side justifies your statements and is your "proof."

3 0
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Given the following roots build a polynomial function in standard form: -3 and +2
swat32

Answer:

  f(x) = x² +x -6

Step-by-step explanation:

The standard form will look like ...

  f(x) = x² +bx +c

where b is the opposite of the sum of the roots, and c is their product.

  f(x) = x² -(-3+2)x +(-3)(2)

  f(x) = x² +x -6

_____

<em>Additional comment</em>

In general, "standard form" is ax²+bx+c. In this case, the coefficient 'a' can be 1 since neither of the roots is expressed as a fraction. The sum of roots is (-b/a) and the product of roots is (c/a).

3 0
3 years ago
jo divides a rectangle into parts. each part is 1/4 the area of the whole rectagle. how many parys did ko divide the rectanhle i
meriva
Jo divided the rectangle into 4 parts if each part is 1/4 of the whole rectangle. 4 is the denominator which is the number of parts that has been divided.
3 0
3 years ago
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What is the final cost for an item that cost $30 and has a tax rate of 7%?<br> *
AVprozaik [17]

Answer:

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Step-by-step explanation:

7% = 0.07

30 x 0.07=2.10

30+ 2.10=32.10

Price before Taxes: $ 30.00

+ Sales Tax (7%): $ 2.10

Total Price with Tax: $ 32.10

4 0
3 years ago
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