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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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3x + 5y = -19<br> 5x - 2y = 16<br> solve for x and y
beks73 [17]

Step-by-step explanation:

2(3x + 5y = -19)

6x + 10y = -38

5 (5x -2y = 16)

25x - 10y = 80

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but idk from there the rest doesn't work Soo if u can find the prob and tell me I'll fix it.

7 0
3 years ago
Help me pls only 10points
NeX [460]

y=-7x+8

y=-7x-8

-7x+8=-7x-8

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B. No solutions

3 0
3 years ago
If I get a 55.6% on a test an the test is worth 80% what is my grade on that test A,B,C,D,F
Fittoniya [83]

If you got 55.6% on a test and that test is worth 80%

So first let us calculate the actual percentage that you scored.

The actual percentage is

\begin{gathered} \frac{0.556}{0.80}=0.695 \\ 0.695\times100=69.5\% \end{gathered}

So your actual score on the test is 69.5%

The grading system varies across countries and states

The traditional grading scale is given below

90% to 100% corresponds to A grade.

80% to 89% corresponds to B grade.

70% to 79% corresponds to C grade.

60% to 69% corresponds to D grade.

0% to 59% corresponds to F grade.

69.5% can be rounded off to 70%

Therefore, 69.5% corresponds to C grade.

(note: the above grade is not valid in case your school follows a different grading scale)

6 0
1 year ago
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