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denis-greek [22]
3 years ago
11

Um marceneiro está pregando uma tábua em um telhado, por descuido deixa-se cair o martelo de uma altura de 8 m gastando 1s para

tocar o solo. Determine a velocidade com que o martelo saiu da mão do marceneiro.
Mathematics
1 answer:
Andreas93 [3]3 years ago
3 0
Aroisrigj;rnuleheuiothgrtiehuigrtheukbnufgsubrsrtnhb THANKS FOR POINTS
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Members of a basketball team raised $891.50 to go to a tournament. They rented a
Ivan

Answer:

a) 891.5 = 475 + 29.75p  b) p = 14

Step-by-step explanation:

The equation will be the total amount of money they raised equals the cost of the bus plus the cost of the meal per player. This will set up the equation to find out how many players can go if they use all of their money.

p represents the number of players on the team

891.5 = 475 + 29.75p

Subtract the cost of the bus from both sides

416.5 = 29.75p

Now divide by the cost of the meals

14 = p

They can bring 14 players to the tournament.

5 0
3 years ago
Which statement is true?
Veseljchak [2.6K]

Answer:

C. 60 dL = 6000 mL

60 x 100 = 6000

Step-by-step explanation:

Formula: multiply the value by 100

8 0
3 years ago
He uses a scale of 0.5 centimeter to 1 inch to draw the flag. The length of the scale drawing is 2.5 centimeters, and its width
chubhunter [2.5K]

Answer:

Perimeter = 28.8 inch

Step-by-step explanation:

Step 1: Change given centimeters into inches according to the scale

2.5 / .5 = 5 <--- length in inches

4.7 / .5 = 9.4 <--- width in inches

^^^This is the same thing as multiplying 2.5 cm and 4.7 cm by two. You could also reword the scale to be 1 cm = 2 inch if it makes more sense for you

Step 2: Find the perimeter using the formula: P = 2L + 2W

2 (5) + 2(9.4)

10 + 18.8

5 0
3 years ago
Find the total mass of the triangular region shown below. All lengths are in cm, and the density of the region is sigma(x) = 1 +
anastassius [24]

Answer:

3 grams

Step-by-step explanation:

We are going to take the mass of a bunch of little strips below the triangle "roof." To do this, we must figure out what formula for the mass we'll use, in this case, we'll use:

Mass of strip = denisty * area = (1+x)*y*deltax grams

now, because the "roof" of the triangle contains two different integrals (it completely changes direction), we will use TWO integrals!

**pretend ∈ is the sum symbol

Mass of left part = lim x->0 ∈ (1+x)*y*deltax = inegral -1 to 0 of (1+x)*3*(x+1) = 3 * integral -1 to 0 of (x^2 + 2x + 1) = 3 *  1/3 = 1

Mass of left part = lim x->0 ∈ (1+x)*y*deltax = inegral 0 to 1 of (1+x)*3*(-x+1) = 3 * integral 0 to 1 of (-x^2 + 1) = 3 * 2/3 = 2

Total mass = mass left + mass right = 1 + 2 = 3 grams

8 0
3 years ago
What is 8 over 9 as a decimal please explain:D​
Yanka [14]
0.88888889
just devide 8 by 9
5 0
3 years ago
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