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3 years ago

Yu, Nailah, and Elena each bought between 7

Mathematics

2 answers:

77julia77 [94]3 years ago

6 0

Answer:

The length of ribbons is missing. However I am trying my best to answer the question.

First ribbon is 5/2 = 2.5 yd.

Second ribbon is 4/5 = 0.8 yd.

Third ribbon is 7/2 =3.5 yd.

Step-by-step explanation:

The length of ribbons is missing. However I am trying my best to answer the question.

First ribbon is 5/2 = 2.5 yd.

Second ribbon is 4/5 = 0.8 yd.

Third ribbon is 7/2 =3.5 yd.

Purchased 2 * first ribbon 5 yd 2.5 yd * 2 ribbons

and 1 * third ribbon 3.5 yd

altogether Yu purchased 8.5 yards of ribbon

Nailah

Purchased 1 * 2.5 ribbon

3 * 0.8 ribbon

and 1 * 3.5 ribbon

altogether Nailah purchased 8.4 yards of ribbon

Yu bought 3 pieces of ribbon. Nailah bought 5 pieces of ribbon. Elena bought 6 pieces of ribbon. The lengths of ribbons are given below.

Elena

Purchased 2 * 2.5 ribbon

and 4 * 0.8 ribbon

altogether Elena purchased 8.2 yards of ribbon.

Anastaziya [24]3 years ago

6 0

Answer:

The length of ribbons is missing. However I am trying my best to answer the question.

First ribbon is 5/2 = 2.5 yd.

Second ribbon is 4/5 = 0.8 yd.

Third ribbon is 7/2 =3.5 yd.

Step-by-step explanation:

The length of ribbons is missing. However I am trying my best to answer the question.

First ribbon is 5/2 = 2.5 yd.

Second ribbon is 4/5 = 0.8 yd.

Third ribbon is 7/2 =3.5 yd.

Purchased 2 * first ribbon 5 yd 2.5 yd * 2 ribbons

and 1 * third ribbon 3.5 yd

altogether Yu purchased 8.5 yards of ribbon

Nailah

Purchased 1 * 2.5 ribbon

3 * 0.8 ribbon

and 1 * 3.5 ribbon

altogether Nailah purchased 8.4 yards of ribbon

Yu bought 3 pieces of ribbon. Nailah bought 5 pieces of ribbon. Elena bought 6 pieces of ribbon. The lengths of ribbons are given below.

Elena

Purchased 2 * 2.5 ribbon

and 4 * 0.8 ribbon

altogether Elena purchased 8.2 yards of ribbon.

Step-by-step explanation:

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Answer:

$\theta \approx 82.34^\circ$

Step-by-step explanation:

Please refer to the attached diagram. (Apologies if the shading or resolution is a bit off.)

So, we want to find θ.

Since we formed a right triangle, we can use right triangle ratios.

We know the measure of the adjacent side to θ and the hypotenuse.

Therefore, we will use the cosine ratio:

$\displaystyle \cos(\theta)=\frac{\text{adjacent}}{\text{hypotenuse}}$

The adjacent side is 2 and the hypotenuse is 15. By substitution:

$\displaystyle \cos(\theta)=\frac{2}{15}$

Now, we will take the inverse cosine of both sides. So:

$\displaystyle \theta=\cos^{-1}\Big(\frac{2}{15}\Big)$

Use a calculator. Hence:

$\theta \approx 82.34^\circ$

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Step-by-step explanation:

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Step-by-step explanation:

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