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suter [353]
3 years ago
15

Elect two ratios that are equivalent to 6 : 10

Mathematics
1 answer:
Vika [28.1K]3 years ago
7 0
Answer is :
12:20
18:30
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In the diagram below, if < A = 97 °, < B = 46 °, < D = 97 ° and < F = 37 °, we can say that
sdas [7]

Answer:

  (a)  The two triangles are similar by AA

Step-by-step explanation:

Similar triangles have congruent corresponding angles and proportional corresponding side lengths.

<h3>Third angle</h3>

The third angle in triangle ABC is found using the fact that the sum of angles is 180°.

  ∠C = 180° -∠A -∠B

  ∠C = 180° -97° -46° = 37°

Two of the angles, A and C, match the measures of two of the angles in triangle DEF. The matches are ...

  ∠A = ∠D = 97°

  ∠C = ∠F = 37°

The two triangles are similar by AA.

__

<em>Additional comment</em>

The similarity statement can be ΔABC ~ ΔDEF.

8 0
1 year ago
The cost for 7 dance lessons is 82$. The cost for 11 lessons is 122$. Write and solve an equation to find the cost of 4 lessons
Juliette [100K]

Answer:

$52

Step-by-step explanation:

Using the equation

y=mx+c

82=7x+c

122=11x+c

11x-7x=122-82

4x=40

x=10

To get c

82=7(10)+c

82-70=c

c=12

For 4 lessons

y=10(4)+12=52

6 0
3 years ago
Jen makes necklaces by stringing different color beads. Each necklace is
shtirl [24]

Answer:

5 FULL necklaces.

Step-by-step explanation:

85/15

About 5.667

0.667 of a necklace doesn't count

So just 5! :)

8 0
2 years ago
A bank says you can double your money in 10 years if you put $1,000 in a simple interest account. What annual interest rate does
katrin2010 [14]

The simple interest formula allows us to calculate I, which is the interest earned or charged on a loan. According to this formula, the amount of interest is given by I = Prt, where P is the principal, r is the annual interest rate in decimal form, and t is the loan period expressed in years. The rate r must be converted from a percentage into decimal form.

Then, 2,000 = 1,000 * r * 10 ;

 Finally, r = 2 ÷ 10 = 20 ÷ 100 = 0.2

hope this helps you

8 0
3 years ago
I need to practice multiplying fractions
BigorU [14]

Answer:

I am sorry, but that is not a question, if you ask a question about multiplying fractions then I will be happy to answer your question

4 0
3 years ago
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