3 years ago

8. Beatrice has 20 coins in quarters and nickels. The total value of her coins is $2.20. How many mickels and quartiers

Mathematics

2 answers:

kupik [55]3 years ago

6 0

Answer:

Step-by-step explanation:

Inga [223]3 years ago

3 0

Answer:

6 quarters, 14 Nickels.

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37 hundreaths = ?tenths and ? hundreaths.<br> HELP ME PLEASE AND SHOW ME HOW TO DO IT PLEASE.

Anuta_ua [19.1K]

0.37= 0.3 +0.07

3 tenth and 7 hundredths

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3 years ago

A coyote can run at top speed at 44 miles per hour how far can it run in 15 minutes

elena-14-01-66 [18.8K]

15 min is 1/4 of an hour so it can run 44x 1/4 or 44/4 =11miles in 15 min

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3 years ago

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For each of these relations on the set {21, 22, 23, 24}, decide whether it is reflexive, whether it is symmetric, whether it is

bonufazy [111]

Answer:

Step-by-step explanation:

I. { (22,22) , (22,23) , (22,24) , (23,22) , (23,23) , (23,24) }

Reflexive : True because we see the pairs (22,22) , (23,23)..

Symmetrix : NO, as we see the pairs (22,24) BUT NOT (24,22)

Transitive : YES, As we see (22,22 ) and (22, 24) , we see the pairs (22,24)

Antisymmetric : NO

II){ (21,21) , (21,22) , (22,21) , (22,22) , (23,23) , (24,24) }

Reflexive : True because we see the pairs (22,22) , (23,23) (21,21)

Symmetrix : Yes, as we see the pairs (21,22) AND (22,21)

Transitive : YES,

Antisymmetric : NO

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3 years ago

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3 2/3+ 8 7/12<br><br> I need the work

castortr0y [4]

Answer:

$\frac{49}{4}$

Step-by-step explanation:

Convert each to a improper fraction

$3 \frac{2}{3} = \frac{11}{3}$

$8\frac{7}{12} = \frac{103}{12}$

$\frac{11}{3} +\frac{103}{12} = \frac{49}{4}$

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3 years ago

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The cost of 5 hats and 1 scarf is $47. The cost of 2 hats and 2 scarves is $40. How much does one hat cost?

stepan [7]

Answer:

6.75

Step-by-step explanation:

h=hat, s=scarf

5h + 1s = $47 (equation 1)

2h + 2s = $40 (equation 2)

multiply equation 1 by 2 , we get: 10h + 2s = $94 (equation 3)

equation 3 minus equation 2, we get:

8h = $54 ⇒ h = $6.75 ⇔ 1 hat cost $6.75

substitute h = $6.75 into equation 2 to find s,

2($6.75) + 2s = $40

$13.5 + 2s = $40

2s = $26.5

s = $13.25 ⇔ 1 scarf cost $13.25

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3 years ago