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Lilit [14]
3 years ago
5

For to 30-60-90 triangle below, the length of side AB is 52 cm.

Mathematics
1 answer:
Jlenok [28]3 years ago
7 0

Answer:

Using 60°

Let side CB be x

Cos60= x/52

Cross multiply=

x= 52cos60

x= 26 <u>cm</u>

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How can you be sure that 9.9 ÷ 1,000 = 0.0099?
Nastasia [14]

Answer:

When dividing by 1000, move the decimal point three places to the left (the last one)

Step-by-step explanation:


7 0
3 years ago
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Ava bought 7.73 pounds of fruit for a class party. the class ate 3.59 pounds of the fruit. how much fruit is left?
dem82 [27]

Ava bought 7.73 pounds of fruit for a class party , class ate 3.59 pounds fruits then 4.14 pounds fruit left after party.

How can we find how much fruit is left after party ?

Ava bought =7.73 pounds fruit

ate by class =3.59 pounds fruit

fruit left after party = total fruit -fruit ate by class

                                = 7.73-3.59\\=4.14

So 4.14 pound fruit is left .

Learn more about the fruit left here :

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6 0
2 years ago
allen is mixing red and yellow paint to make two different shades of orange. to make 1 cup of dark orange paint he needs 7 ounce
slavikrds [6]

Answer:

42 ounces of yellow paint.

Step-by-step explanation:

  • To make three cups of dark orange, you just need to remember that to make one cup you need: 7 ounces of red paint and 1 ounce of yellow paint. Then, to make three cups, we just have to multiply these proportions by three,which means 7x3 ounces of red paint =21 ounces of red paint, plus 3x1 ounces of yellow paint =3 ounces of yellow paint. Then we need 21 ounces of red paint and 3 of yellow paint to make three cups of dark orange.
  • To make one cup of light orange, we need 13 ounces of yellow paint, and 3 ounces of red paint. Then, to make three cups, we just multiply this proportion by 3, as follows: 13x3 ounces of yellow paint = 39; and 3x3 ounces of red paint =9.  Then we need 9 ounces of red paint and 39 of yellow paint to make three cups of light orange.
  • Adding up the amount of ounces we need to make dark orange and light orange, we get a total amount of 21+9=30 ounces of red paint and 3+39=42 ounces of yellow paint to make three cups of light orange and three cups of dark orange.
7 0
3 years ago
M∠PQS = 87°, and m∠SQR = 33°. what is m∠PQR.
defon
<span>Given:
∠PQS = 87°, and m∠SQR = 33°   find </span>m∠PQR .<span>


m∠PQR
= m</span>∠PQS + m∠SQR
= 87° + 33°
= 120°
7 0
2 years ago
Ben and Josh are in the same physical education class. Ben weighs twelve more pounds than josh. Together their weights add to 14
Alborosie
Josh weight 66 pounds and Ben weighs 78 pounds.

Using x to represent Josh's weight, the formula is
x + (x + 12) = 144. Combine like terms to make 2x + 12 = 144. Subtract 12 from each side so that 2x = 132. Finally, divide both sides by 2 to get x = 66, which is Josh's weight. Add 12 pounds to find Ben's weight, which is 78 lbs.
3 0
3 years ago
Read 2 more answers
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