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3 years ago

The formula for the area of a triangle is A = 1/2bh. Solve for h.

Mathematics

1 answer:

Hitman42 [59]3 years ago

6 0

Answer:

h = 2A/b

Step-by-step explanation:

The given area triangle is denoted by:

A=1/2bh

By solving for "h", we're simply asked to make "h" the subject of the formula, that is putting "h" on one side of the equation and all other variable/values on the other side of the equation.

By doing this, we move other variables presently on the right side with "h" and the left hand side of the equation takes them all except "h", then we have:

2A/b = h.

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Fiona, Dan and Stephen share £66 in a ratio 1:3:2. How much money does each person get?

Viefleur [7K]

Answer:

Fiona=11

Dan=33

Stephen=22

Step-by-step explanation:

Fiona:1/2+3+1×66

1/6×66

=11

Dan: 3/6×66=33

Stephen:2/6×66=22

8 0

3 years ago

Jed needs a piece of wood that is exactly 9.185 ft long for his project. He went to the store and bought one that was 10 ft long

MrRissso [65]

to do this all you have to do is subtract 9.185 form 10 to get .815ft

5 0

3 years ago

Help I’m so dumb ://

il63 [147K]

Answer:

The corresponding angles are congruent and the corresponding sides are congruent.

Step-by-step explanation:

8 0

3 years ago

Is (-a + b)² = a² - 2ab + b² right or wrong, and why?

antiseptic1488 [7]

Answer:

$\huge\boxed{\sf Right.}$

Step-by-step explanation:

$(-a+b)^2$

Let's apply the formula (x+y)² = x² + 2xy + y²

Here, x = -a and y = b

So,

= (-a)² + 2(-a)(b) + (b)²

= a² - 2ab + b²

Hence, it has been proved that (-a + b)² = a² - 2ab + b².

$\rule[225]{225}{2}$

Hope this helped!

6 0

3 years ago

The dual bar chart shows the hair colour of boys and girls in a year group. What fraction of the students are girls? Give your a

Tems11 [23]

Answer:

5/11

Step-by-step explanation:

Black= 22 b+17 g

Brown= 4 b +18 g

Blonde= 25 b+ 10 g

Red= 21 b+ 15 g

Total number= 22+17+4+18+25+10+21+15= 132

Number of girls= 17+18+10+15= 60

Girls are 60/132= 2 × 2 × 3 × 5/ 2 × 2 × 3 × 11= 5/11 of all students

7 0

3 years ago