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anastassius [24]
2 years ago
9

Joel is buying packs of baseball cards to add to his collection. He wants to

Mathematics
1 answer:
antoniya [11.8K]2 years ago
5 0
Uh i’m not sure bud. bug
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The lengths of three
True [87]

Answer:

90 cm, 180 cm, 240 cm

Step-by-step explanation:

Let the lengths of sides of the triangle be 3x, 6x and 8x

\therefore \: 3x + 6x + 8x = 5.1 \: m \\ \therefore \: 17x = 510 \: cm \\ \therefore \: x =  \frac{510}{17}  \\  \therefore \:x = 30 \: cm \\  \implies \\ 3x = 3 \times 30 = 90 \: cm \\ 6x = 6 \times 30 = 180 \: cm \\ 8x = 8 \times 30 = 240 \: cm

Hence, lengths of the sides of the triangle are 90 cm, 180 cm and 240 cm.

4 0
3 years ago
D=h+9 The variable H represents the number of hours worked, and the variable d represents the amount of dough prepared how many
Marta_Voda [28]

Answer:

  12 hours

Step-by-step explanation:

If we assume that the units of D are kg, then we can put the given number into the equation and solve.

  21 = h +9

  12 = h . . . . . subtract 9

Eli worked 12 hours to prepare 21 kg of dough.

8 0
4 years ago
Please solve this for me
Marrrta [24]

6 sin² x + 4 cos²x = Stanx

Correct option is B)Given, 4cos2x+6sin2x=5

⇒4cos2x+4sin2x+2sin2x=5⇒2sin2x=1⇒sin2x=21=(21)2⇒x=nπ±4π

<h3>Solve any question of Trigonometric Functions with:-</h3>
7 0
2 years ago
Read 2 more answers
A shirt is on sale for 20% off Sandy pay $8 for the shirt what was the shirt regular price​
Talja [164]

Answer:

The shirt cost $10 since 20% of 10 is 2 resulting in the $8 final cost

Step-by-step explanation:

4 0
4 years ago
In a science experiment, Shelly has to weigh a compound in grams. The balance in her school measures in milligrams (mg). Shelly
Oksi-84 [34.3K]
We know, 1 g = 1000 mg
so, 1 mg = 1/1000 g
then, 8,450 mg = 1/1000 * 8,450 = 8.450 g

In short, Your Answer would be: 8.450 Grams

Hope this helps!
5 0
4 years ago
Read 2 more answers
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