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3 years ago

7

The table shows the fraction of a book karen read saturday and sunday.What fraction of her book did she read on these two days?

1 answer:

tester [92]3 years ago

4 0

Ince we know the answer in terms of the amount of remaining pages, we first need to calculate how much of the book<span> remains. This can be calculated as follows: 1/5 + 2/7 = (7+2*5)/35 = 17/35. Therefore, on </span>Sunday<span> the remaining pages </span>is<span> 1- 17/35 or 18/35. 5/9 of 18/35 </span>is 2/7, so Lindaread<span> 2/7 of the </span>book<span> ...</span>

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Angle BCD is a circumscribed angle of circle A. Angle BAC measures 53°.

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Answer:

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Step-by-step explanation:

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3 years ago

Cant understand need it done today

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3 years ago

True or False Variation provides information about how much the data varies within the sample.

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3 years ago

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For the triangles ABC and MNP m∠A = m∠M, AB = 16, AC = 10, MN = 7, MP = 24. Find the ratio of the A△MNP and A△ABC .

Digiron [165]

Answer:

Ratio of area of triangles MNP and ABC is 1.05

Step-by-step explanation:

There are 2 triangles ABC and MNP.

We are given that ,m∠A = m∠M.

AB = 16 and AC = 10.

MN = 7 and MP = 24.

Area of a triangle ∝ Product of any two sides.

So area of triangle ABC ∝ 16 $\times 10$

Area of triangle ABC = 160 $\times k$ ,

where k is a constant.

So area of triangle MNP ∝ 7 $\times 24$

Area of triangle MNP = 168 $\times k$

So ratio of area of triangles = $\frac{Area of MNP}{Area of ABC}$

= $\frac{168}{160}$

= 1.05

3 0

3 years ago

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El recorrido de una etapa de una vuelta ciclística tiene una longitud de 213 kilometros y un ciclista recorre 2/3 del trayecto e

Maurinko [17]

the question in English

The route of a stage of a cycle tour is 213 km long and a cyclist covers 2/3 of the route in five hours.

a) How many kilometers are left to finish the stage?

b) If he continues with the same average speed, how much time does he have left to finish the stage?

Step 1

we know that

1) Total kilometers of a stage is $213\ km$

2) The cyclist covers $\frac{2}{3}$ of the route

so

the kilometers remaining to finish the stage is equal to

$(1-\frac{2}{3})*213= \frac{1}{3}*213\\ \\=71\ km$

therefore

<u>the answer Part a) is </u>

$71\ km$

Step 2

<u>Find the average speed of the cyclist</u>

we know that

the speed is equal to

$speed=\frac{distance}{time}$

we have

$time=5\ hours\\ distance=\frac{2}{3}*213=142\ km$

substitute

$speed=\frac{142}{5}=28.4\frac{km}{h}$

Step 3

<u>Find the time remaining to finish the stage</u>

we know that

$speed=\frac{distance}{time}$

Solve for the time

$time=\frac{distance}{speed}$

we have

$distance=71\ km\\ speed=28.4\frac{km}{h}$

substitute

$time=\frac{71}{28.4}=2.5\ hours$

therefore

<u>the answer Part b) is</u>

$2.5\ hours$

8 0

3 years ago