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irina1246 [14]
3 years ago
10

after completing a fraction division problem Claire use multiplication to check her answer division:7½ ÷ 1½ = 5 check: 5 × 1½ =

5½​
Mathematics
2 answers:
nikdorinn [45]3 years ago
6 0

Answer:

15/2 / 3/2= 15/2 * 2/3= 30/6= 5

5/1 * 3/2= 15/2= 6 3/2= 7 1/2

Step-by-step explanation:

Claire should have made the fractions into improper fraction so she could get the check part right.

Cerrena [4.2K]3 years ago
5 0
Claire did the check wrong. She should’ve multiplied 5 by 3/2.

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A tree cast a shadow of 30m long and a 2m stick casts one that is 3m long. As show in the below diagram how tall is the tree?​
PSYCHO15rus [73]

Answer:

  • 20 m

Step-by-step explanation:

<u>We have similar triangles here.</u>

  • BC║DE, AB║AD and AC║AE ⇒ ΔADE ~ ΔABC

<u>The ratio of corresponding sides of similar triangles is same:</u>

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6 0
3 years ago
Read 2 more answers
In the figure, GK bisects FGH
bija089 [108]

Answer:

w = 7

Step-by-step explanation:

Given:

m<FGK = (7w + 3)°

m<FGH = 104°

angle bisector of <FGH = GK

Required:

Value of w

SOLUTION:

Since GK bisects angle FGH, it divides the angle into two equal parts. Therefore, the following equation can be generated to find the value of w:

m<FGH = 2*m<FGK

104 = 2*(7w + 3) (substitution)

Divide both sides by 2

\frac{104}{2} = \frac{2*(7w + 3)}{2}

52 = 7w + 3

Subtract 3 from each side

52 - 3 = 7w + 3 - 3

49 = 7w

Divide both sides by 7

\frac{49}{7} = \frac{7w}{7}

7 = w

w = 7

8 0
3 years ago
Luis rides his bicycle 34 mile in 5 minutes, or 112 hour, along the bike trail. Assuming he rides at a constant rate, what is hi
artcher [175]

Answer:

408\frac{miles}{hour}

Step-by-step explanation:

we know that

To find the speed divide the total distance by the time

so

\frac{34}{(1/12)}=34*12=408\frac{miles}{hour}

3 0
3 years ago
It costs $198.00 to buy beef to make 300 meatballs. What will the cost be<br> to make 120 meatballs?
Vika [28.1K]

Answer:$181.81

Step-by-step explanation:300/198

=1.5151515….multiple by 120

=181.818181

3 0
3 years ago
For what value of x must ABCD be a​ parallelogram?
bija089 [108]

5x = 6x-7

subtract 6x from each side

-x=-7

x=7


8 0
4 years ago
Read 2 more answers
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